Страница 155 - гдз по физике 8 класс учебник Пёрышкин

Физика, 8 класс Учебник, автор: Пёрышкин И М, издательство Просвещение, Москва, 2023, белого цвета

Авторы: Пёрышкин И. М.

Тип: Учебник

Издательство: Просвещение

Год издания: 2023 - 2026

Уровень обучения: базовый

Цвет обложки: белый с градусником

ISBN: 978-5-09-102555-2

Допущено Министерством просвещения Российской Федерации

Cтраница 155

App\Models\BookPage {#994 // resources/views/models/book_page/default.blade.php
  #connection: "mysql"
  #table: "book_pages"
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  +incrementing: true
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  #escapeWhenCastingToString: false
  #attributes: array:21 [
    "id" => 991519
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "155"
    "field_url" => "/8-klass/fizika/peryshkin-uchebnik/page-155"
    "field_display_title" => "155"
    "field_folder" => "1"
    "field_image_name" => "155"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#304
      #items: []
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1001
      #items: array:1 [
        0 => App\Models\Book {#998
          #connection: "mysql"
          #table: "books"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: false
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          #attributes: array:50 [
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            "created_at" => "2026-04-10 13:58:26"
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            "field_tree_default_status" => "tasks"
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            "field_subject" => Illuminate\Database\Eloquent\Collection {#302
              #items: array:1 [
                0 => App\Models\Term {#313
                  #connection: "mysql"
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                  #primaryKey: "id"
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                  #attributes: array:10 [ …10]
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                }
              ]
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            }
            "field_class" => Illuminate\Database\Eloquent\Collection {#997
              #items: array:1 [
                0 => App\Models\Term {#1005
                  #connection: "mysql"
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1003
              #items: array:1 [
                0 => App\Models\Term {#1004
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
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                  +incrementing: false
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_author" => Illuminate\Database\Eloquent\Collection {#1006
              #items: array:1 [
                0 => App\Models\Term {#1007
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
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                  +incrementing: false
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1008
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1009
              #items: array:1 [
                0 => App\Models\Term {#1010
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #with: []
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_country" => Illuminate\Database\Eloquent\Collection {#1011
              #items: array:1 [
                0 => App\Models\Term {#1012
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
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                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_city" => Illuminate\Database\Eloquent\Collection {#1013
              #items: array:1 [
                0 => App\Models\Term {#1014
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
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                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_series" => Illuminate\Database\Eloquent\Collection {#1015
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1016
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1017
              #items: array:1 [
                0 => App\Models\Term {#1018
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
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                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
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                  #hidden: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1019
              #items: array:1 [
                0 => App\Models\Term {#1020
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
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                  +incrementing: false
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                  #attributes: array:10 [ …10]
                  #original: array:10 [ …10]
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                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                   …3
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_publication_number" => "3"
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1021
              #items: array:1 [
                0 => App\Models\Term {#1022 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1023
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition_degree" => null
            "field_cover_description" => "с градусником"
            "field_publication_year" => "2023"
            "field_publication_year_until" => null
            "field_part" => ""
            "field_part_writing" => ""
            "field_second_foreign_language" => null
            "field_for_whom" => null
            "field_allowed" => "Допущено Министерством просвещения Российской Федерации"
            "field_reserve_field" => null
            "field_link_to_source" => null
            "field_tasks_count" => "706"
            "field_priority" => "2"
            "field_default_folder" => "/fizika_08/Peryshkin-u23/"
            "field_isbn" => "978-5-09-102555-2"
            "field_cover" => array:1 [
              0 => "/media/fizika_08/Peryshkin-u23/covers/cover1.webp?ts=1737917825"
            ]
            "field_cover_alts" => array:1 [
              0 => ""
            ]
            "field_covers" => array:1 [
              0 => array:4 [
                "path" => "/media/fizika_08/Peryshkin-u23/covers/cover1.webp?ts=1737917825"
                "alt" => ""
                "width" => "1350"
                "height" => "1772"
              ]
            ]
            "field_popular_book" => null
            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1024
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_new_book" => Illuminate\Database\Eloquent\Collection {#1025
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_old_book" => Illuminate\Database\Eloquent\Collection {#1026
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik"
            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1027
              #items: array:1 [
                0 => App\Models\Term {#1028 …30}
              ]
              #escapeWhenCastingToString: false
            }
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          #original: array:50 [
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            "field_class" => Illuminate\Database\Eloquent\Collection {#997}
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            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1008}
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1009}
            "field_country" => Illuminate\Database\Eloquent\Collection {#1011}
            "field_city" => Illuminate\Database\Eloquent\Collection {#1013}
            "field_series" => Illuminate\Database\Eloquent\Collection {#1015}
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1016}
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1017}
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1019}
            "field_publication_number" => "3"
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1021}
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1023}
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            "field_cover_description" => "с градусником"
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    "content" => Illuminate\Database\Eloquent\Collection {#1030
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              #items: []
              #escapeWhenCastingToString: false
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              #escapeWhenCastingToString: false
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            "content" => Illuminate\Database\Eloquent\Collection {#6239
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            "tasks" => Illuminate\Database\Eloquent\Collection {#6243
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            "field_metatags_title" => null
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            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6217}
            "content" => Illuminate\Database\Eloquent\Collection {#6239}
            "next" => array:2 [
              "refs" => "991521"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6243}
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
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          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "previous" => Illuminate\Database\Eloquent\Collection {#6209
      #items: array:1 [
        0 => App\Models\BookPage {#6208
          #connection: "mysql"
          #table: "book_pages"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:21 [
            "id" => 991518
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "154"
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/page-154"
            "field_display_title" => "154"
            "field_folder" => "1"
            "field_image_name" => "154"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6210
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6211
              #items: array:1 [
                0 => App\Models\Book {#1367 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6212
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#6222
              #items: array:1 [
                0 => App\Models\Element {#6221 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "991517"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6214
              #items: []
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 991518
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "154"
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/page-154"
            "field_display_title" => "154"
            "field_folder" => "1"
            "field_image_name" => "154"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6210}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6211}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6212}
            "content" => Illuminate\Database\Eloquent\Collection {#6222}
            "next" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "991517"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6214}
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
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          #touches: []
          +timestamps: true
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          #hidden: []
          #visible: []
          #fillable: []
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            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "tasks" => Illuminate\Database\Eloquent\Collection {#1039
      #items: array:15 [
        0 => App\Models\Task {#1040
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 599230
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-1-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1041
              #items: array:1 [
                0 => App\Models\Term {#1042 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1043
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1044
              #items: array:1 [
                0 => App\Models\Branch {#1045 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1050
              #items: array:3 [
                0 => App\Models\Branch {#1051 …30}
                1 => App\Models\Branch {#1055 …30}
                2 => App\Models\Branch {#1060 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1068
              #items: array:5 [
                0 => App\Models\Element {#1069 …30}
                1 => App\Models\Element {#1071 …30}
                2 => App\Models\Element {#1079 …30}
                3 => App\Models\Element {#1087 …30}
                4 => App\Models\Element {#1095 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599231"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599229"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1103
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599230
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-1-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1041}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1043}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1044}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1050}
            "content" => Illuminate\Database\Eloquent\Collection {#1068}
            "next" => array:2 [
              "refs" => "599231"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599229"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1103}
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
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          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        1 => App\Models\Task {#1104
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 599231
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-1-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1105
              #items: array:1 [
                0 => App\Models\Term {#1042 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1106
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1107
              #items: array:1 [
                0 => App\Models\Branch {#1051 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1108
              #items: array:3 [
                0 => App\Models\Branch {#1051 …30}
                1 => App\Models\Branch {#1055 …30}
                2 => App\Models\Branch {#1060 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1109
              #items: array:5 [
                0 => App\Models\Element {#1110 …30}
                1 => App\Models\Element {#1112 …30}
                2 => App\Models\Element {#1114 …30}
                3 => App\Models\Element {#1116 …30}
                4 => App\Models\Element {#1118 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599232"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599230"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1120
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599231
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-1-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1105}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1106}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1107}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1108}
            "content" => Illuminate\Database\Eloquent\Collection {#1109}
            "next" => array:2 [
              "refs" => "599232"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599230"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1120}
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
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          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        2 => App\Models\Task {#1121
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 599232
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-1-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1122
              #items: array:1 [
                0 => App\Models\Term {#1042 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1123
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1124
              #items: array:1 [
                0 => App\Models\Branch {#1051 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1125
              #items: array:3 [
                0 => App\Models\Branch {#1051 …30}
                1 => App\Models\Branch {#1055 …30}
                2 => App\Models\Branch {#1060 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1126
              #items: array:5 [
                0 => App\Models\Element {#1127 …30}
                1 => App\Models\Element {#1129 …30}
                2 => App\Models\Element {#1131 …30}
                3 => App\Models\Element {#1133 …30}
                4 => App\Models\Element {#1135 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599233"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599231"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1137
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599232
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-1-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1122}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1123}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1124}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1125}
            "content" => Illuminate\Database\Eloquent\Collection {#1126}
            "next" => array:2 [
              "refs" => "599233"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599231"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1137}
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        3 => App\Models\Task {#1138
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 599233
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-1-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1139
              #items: array:1 [
                0 => App\Models\Term {#1042 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1140
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1141
              #items: array:1 [
                0 => App\Models\Branch {#1051 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1142
              #items: array:3 [
                0 => App\Models\Branch {#1051 …30}
                1 => App\Models\Branch {#1055 …30}
                2 => App\Models\Branch {#1060 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1143
              #items: array:5 [
                0 => App\Models\Element {#1144 …30}
                1 => App\Models\Element {#1146 …30}
                2 => App\Models\Element {#1148 …30}
                3 => App\Models\Element {#1150 …30}
                4 => App\Models\Element {#1152 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599234"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599232"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1154
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599233
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-1-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1139}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1140}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1141}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1142}
            "content" => Illuminate\Database\Eloquent\Collection {#1143}
            "next" => array:2 [
              "refs" => "599234"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599232"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1154}
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        4 => App\Models\Task {#1155
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
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            "id" => 599234
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
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            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-1-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1156
              #items: array:1 [
                0 => App\Models\Term {#1042 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1157
              #items: []
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            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1158
              #items: array:1 [
                0 => App\Models\Branch {#1051 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1159
              #items: array:3 [
                0 => App\Models\Branch {#1051 …30}
                1 => App\Models\Branch {#1055 …30}
                2 => App\Models\Branch {#1060 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1160
              #items: array:5 [
                0 => App\Models\Element {#1161 …30}
                1 => App\Models\Element {#1163 …30}
                2 => App\Models\Element {#1165 …30}
                3 => App\Models\Element {#1167 …30}
                4 => App\Models\Element {#1169 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599235"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599233"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1171
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
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            "id" => 599234
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-1-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1156}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1157}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1158}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1159}
            "content" => Illuminate\Database\Eloquent\Collection {#1160}
            "next" => array:2 [
              "refs" => "599235"
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            ]
            "previous" => array:2 [
              "refs" => "599233"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1171}
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
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          #dateFormat: null
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          #touches: []
          +timestamps: true
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        5 => App\Models\Task {#1172
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 599235
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-2-1"
            "field_display_title" => "Обсуди с товарищем"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1173
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1174
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1175
              #items: array:1 [
                0 => App\Models\Branch {#1051 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1176
              #items: array:3 [
                0 => App\Models\Branch {#1051 …30}
                1 => App\Models\Branch {#1055 …30}
                2 => App\Models\Branch {#1060 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1177
              #items: array:5 [
                0 => App\Models\Element {#1178 …30}
                1 => App\Models\Element {#1180 …30}
                2 => App\Models\Element {#1182 …30}
                3 => App\Models\Element {#1184 …30}
                4 => App\Models\Element {#1186 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599236"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599234"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1188
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599235
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-2-1"
            "field_display_title" => "Обсуди с товарищем"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1173}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1174}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1175}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1176}
            "content" => Illuminate\Database\Eloquent\Collection {#1177}
            "next" => array:2 [
              "refs" => "599236"
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            ]
            "previous" => array:2 [
              "refs" => "599234"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1188}
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
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          ]
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          #visible: []
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          #guarded: array:1 [
            0 => "*"
          ]
        }
        6 => App\Models\Task {#1189
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
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          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 599236
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-3-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1190
              #items: array:1 [
                0 => App\Models\Term {#1042 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1191
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1192
              #items: array:1 [
                0 => App\Models\Branch {#1051 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1193
              #items: array:3 [
                0 => App\Models\Branch {#1194 …30}
                1 => App\Models\Branch {#1198 …30}
                2 => App\Models\Branch {#1202 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1206
              #items: array:5 [
                0 => App\Models\Element {#1207 …30}
                1 => App\Models\Element {#1209 …30}
                2 => App\Models\Element {#1211 …30}
                3 => App\Models\Element {#1213 …30}
                4 => App\Models\Element {#1215 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599237"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599235"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1217
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599236
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-3-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1190}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1191}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1192}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1193}
            "content" => Illuminate\Database\Eloquent\Collection {#1206}
            "next" => array:2 [
              "refs" => "599237"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599235"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1217}
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
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          #dateFormat: null
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            0 => "*"
          ]
        }
        7 => App\Models\Task {#1218
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
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          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 599237
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-3-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1219
              #items: array:1 [
                0 => App\Models\Term {#1042 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1220
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1221
              #items: array:1 [
                0 => App\Models\Branch {#1194 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1222
              #items: array:3 [
                0 => App\Models\Branch {#1194 …30}
                1 => App\Models\Branch {#1198 …30}
                2 => App\Models\Branch {#1202 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1223
              #items: array:5 [
                0 => App\Models\Element {#1224 …30}
                1 => App\Models\Element {#1226 …30}
                2 => App\Models\Element {#1228 …30}
                3 => App\Models\Element {#1230 …30}
                4 => App\Models\Element {#1232 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599238"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599236"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1234
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599237
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-3-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1219}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1220}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1221}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1222}
            "content" => Illuminate\Database\Eloquent\Collection {#1223}
            "next" => array:2 [
              "refs" => "599238"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599236"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1234}
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
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          #dateFormat: null
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          #visible: []
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            0 => "*"
          ]
        }
        8 => App\Models\Task {#1235
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
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          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 599238
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-3-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1236
              #items: array:1 [
                0 => App\Models\Term {#1042 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1237
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1238
              #items: array:1 [
                0 => App\Models\Branch {#1194 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1239
              #items: array:3 [
                0 => App\Models\Branch {#1194 …30}
                1 => App\Models\Branch {#1198 …30}
                2 => App\Models\Branch {#1202 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1240
              #items: array:5 [
                0 => App\Models\Element {#1241 …30}
                1 => App\Models\Element {#1243 …30}
                2 => App\Models\Element {#1245 …30}
                3 => App\Models\Element {#1247 …30}
                4 => App\Models\Element {#1249 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599239"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599237"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1251
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599238
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
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            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-3-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1236}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1237}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1238}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1239}
            "content" => Illuminate\Database\Eloquent\Collection {#1240}
            "next" => array:2 [
              "refs" => "599239"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599237"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1251}
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
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          #dateFormat: null
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          #hidden: []
          #visible: []
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          #guarded: array:1 [
            0 => "*"
          ]
        }
        9 => App\Models\Task {#1252
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 599239
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-3-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1253
              #items: array:1 [
                0 => App\Models\Term {#1042 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1254
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1255
              #items: array:1 [
                0 => App\Models\Branch {#1194 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1256
              #items: array:3 [
                0 => App\Models\Branch {#1194 …30}
                1 => App\Models\Branch {#1198 …30}
                2 => App\Models\Branch {#1202 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1257
              #items: array:5 [
                0 => App\Models\Element {#1258 …30}
                1 => App\Models\Element {#1260 …30}
                2 => App\Models\Element {#1262 …30}
                3 => App\Models\Element {#1264 …30}
                4 => App\Models\Element {#1266 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599240"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599238"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1268
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
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            "id" => 599239
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-3-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1253}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1254}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1255}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1256}
            "content" => Illuminate\Database\Eloquent\Collection {#1257}
            "next" => array:2 [
              "refs" => "599240"
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            ]
            "previous" => array:2 [
              "refs" => "599238"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1268}
            "page" => array:2 [
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              "type" => "book_page"
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          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        10 => App\Models\Task {#1269
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
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          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 599240
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-3-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1270
              #items: array:1 [
                0 => App\Models\Term {#1042 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1271
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1272
              #items: array:1 [
                0 => App\Models\Branch {#1194 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1273
              #items: array:3 [
                0 => App\Models\Branch {#1194 …30}
                1 => App\Models\Branch {#1198 …30}
                2 => App\Models\Branch {#1202 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1274
              #items: array:5 [
                0 => App\Models\Element {#1275 …30}
                1 => App\Models\Element {#1277 …30}
                2 => App\Models\Element {#1279 …30}
                3 => App\Models\Element {#1281 …30}
                4 => App\Models\Element {#1283 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599241"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599239"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1285
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599240
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-3-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1270}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1271}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1272}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1273}
            "content" => Illuminate\Database\Eloquent\Collection {#1274}
            "next" => array:2 [
              "refs" => "599241"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599239"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1285}
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
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          #guarded: array:1 [
            0 => "*"
          ]
        }
        11 => App\Models\Task {#1286
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
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          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 599241
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-3-6"
            "field_display_title" => "6"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1287
              #items: array:1 [
                0 => App\Models\Term {#1042 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1288
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1289
              #items: array:1 [
                0 => App\Models\Branch {#1194 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1290
              #items: array:3 [
                0 => App\Models\Branch {#1194 …30}
                1 => App\Models\Branch {#1198 …30}
                2 => App\Models\Branch {#1202 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1291
              #items: array:5 [
                0 => App\Models\Element {#1292 …30}
                1 => App\Models\Element {#1294 …30}
                2 => App\Models\Element {#1296 …30}
                3 => App\Models\Element {#1298 …30}
                4 => App\Models\Element {#1300 …30}
              ]
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            }
            "next" => array:2 [
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            ]
            "previous" => array:2 [
              "refs" => "599240"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1302
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
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            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-3-6"
            "field_display_title" => "6"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1287}
            "field_metatags_title" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1288}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1289}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1290}
            "content" => Illuminate\Database\Eloquent\Collection {#1291}
            "next" => array:2 [
              "refs" => "599242"
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            ]
            "previous" => array:2 [
              "refs" => "599240"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1302}
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
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            0 => "*"
          ]
        }
        12 => App\Models\Task {#1303
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
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          #attributes: array:24 [
            "id" => 599242
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-3-7"
            "field_display_title" => "7"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1304
              #items: array:1 [
                0 => App\Models\Term {#1042 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1305
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1306
              #items: array:1 [
                0 => App\Models\Branch {#1194 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1307
              #items: array:3 [
                0 => App\Models\Branch {#1194 …30}
                1 => App\Models\Branch {#1198 …30}
                2 => App\Models\Branch {#1202 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1308
              #items: array:5 [
                0 => App\Models\Element {#1309 …30}
                1 => App\Models\Element {#1311 …30}
                2 => App\Models\Element {#1313 …30}
                3 => App\Models\Element {#1315 …30}
                4 => App\Models\Element {#1317 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599243"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599241"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1319
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599242
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-3-7"
            "field_display_title" => "7"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1304}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1305}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1306}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1307}
            "content" => Illuminate\Database\Eloquent\Collection {#1308}
            "next" => array:2 [
              "refs" => "599243"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599241"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1319}
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
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          #touches: []
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          #guarded: array:1 [
            0 => "*"
          ]
        }
        13 => App\Models\Task {#1320
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 599243
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-4-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1321
              #items: array:1 [
                0 => App\Models\Term {#1042 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1322
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1323
              #items: array:1 [
                0 => App\Models\Branch {#1194 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1324
              #items: array:3 [
                0 => App\Models\Branch {#1325 …30}
                1 => App\Models\Branch {#1329 …30}
                2 => App\Models\Branch {#1333 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1337
              #items: array:4 [
                0 => App\Models\Element {#1338 …30}
                1 => App\Models\Element {#1340 …30}
                2 => App\Models\Element {#1342 …30}
                3 => App\Models\Element {#1344 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599244"
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            ]
            "previous" => array:2 [
              "refs" => "599242"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1346
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599243
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-4-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1321}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1322}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1323}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1324}
            "content" => Illuminate\Database\Eloquent\Collection {#1337}
            "next" => array:2 [
              "refs" => "599244"
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            ]
            "previous" => array:2 [
              "refs" => "599242"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1346}
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
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          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
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          #touches: []
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        14 => App\Models\Task {#1347
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 599244
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-4-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1348
              #items: array:1 [
                0 => App\Models\Term {#1042 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1349
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1350
              #items: array:1 [
                0 => App\Models\Branch {#1325 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1351
              #items: array:3 [
                0 => App\Models\Branch {#1325 …30}
                1 => App\Models\Branch {#1329 …30}
                2 => App\Models\Branch {#1333 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1352
              #items: array:3 [
                0 => App\Models\Element {#1353 …30}
                1 => App\Models\Element {#1355 …30}
                2 => App\Models\Element {#1357 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599245"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599243"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1359
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599244
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "155"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/41-4-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1348}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1349}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1350}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1351}
            "content" => Illuminate\Database\Eloquent\Collection {#1352}
            "next" => array:2 [
              "refs" => "599245"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599243"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1359}
            "page" => array:2 [
              "refs" => "991519"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
  ]
  #original: array:21 [
    "id" => 991519
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "155"
    "field_url" => "/8-klass/fizika/peryshkin-uchebnik/page-155"
    "field_display_title" => "155"
    "field_folder" => "1"
    "field_image_name" => "155"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#304}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1001}
    "field_metatags_title" => null
    "field_metatags_description" => null
    "field_h1" => null
    "field_description_top" => null
    "field_description_bottom" => null
    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1029}
    "content" => Illuminate\Database\Eloquent\Collection {#1030}
    "next" => array:2 [
      "refs" => "991520"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "991518"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1039}
  ]
  #changes: []
  #casts: []
  #classCastCache: []
  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Физика, 8 класс Учебник, автор: Пёрышкин И М, издательство Просвещение, Москва, 2023, белого цвета, страница 155
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