Страница 146 - 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 146

App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php
  #connection: "mysql"
  #table: "book_pages"
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  #attributes: array:21 [
    "id" => 991510
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "146"
    "field_url" => "/8-klass/fizika/peryshkin-uchebnik/page-146"
    "field_display_title" => "146"
    "field_folder" => "1"
    "field_image_name" => "146"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008
      #items: []
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1016
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        0 => App\Models\Book {#1015
          #connection: "mysql"
          #table: "books"
          #primaryKey: "id"
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          #attributes: array:50 [
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            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_tree_default_status" => "tasks"
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            "field_subject" => Illuminate\Database\Eloquent\Collection {#1020
              #items: array:1 [
                0 => App\Models\Term {#1017
                  #connection: "mysql"
                  #table: "terms"
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            "field_class" => Illuminate\Database\Eloquent\Collection {#1022
              #items: array:1 [
                0 => App\Models\Term {#1019
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                  #table: "terms"
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                }
              ]
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            }
            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1024
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                0 => App\Models\Term {#1021
                  #connection: "mysql"
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            "field_author" => Illuminate\Database\Eloquent\Collection {#1032
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            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1026
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                0 => App\Models\Term {#1025
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            "field_country" => Illuminate\Database\Eloquent\Collection {#1027
              #items: array:1 [
                0 => App\Models\Term {#1028
                  #connection: "mysql"
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              ]
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            "field_city" => Illuminate\Database\Eloquent\Collection {#1034
              #items: array:1 [
                0 => App\Models\Term {#1029
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #original: array:6 [ …6]
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                  #hidden: []
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                }
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              #escapeWhenCastingToString: false
            }
            "field_series" => Illuminate\Database\Eloquent\Collection {#1033
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1023
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1038
              #items: array:1 [
                0 => App\Models\Term {#1035
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #original: array:6 [ …6]
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                }
              ]
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            }
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1040
              #items: array:1 [
                0 => App\Models\Term {#1037
                  #connection: "mysql"
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                  #original: array:10 [ …10]
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                }
              ]
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            }
            "field_publication_number" => "3"
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1042
              #items: array:1 [
                0 => App\Models\Term {#1039
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1041
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition_degree" => null
            "field_cover_description" => "с градусником"
            "field_publication_year" => "2023"
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            "field_part" => ""
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            "field_second_foreign_language" => null
            "field_for_whom" => null
            "field_allowed" => "Допущено Министерством просвещения Российской Федерации"
            "field_reserve_field" => null
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            "field_tasks_count" => "706"
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            "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"
            ]
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              0 => ""
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              ]
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            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1036
              #items: []
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              #items: []
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            }
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              #items: array:1 [
                0 => App\Models\Term {#1045
                  #connection: "mysql"
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    "next" => Illuminate\Database\Eloquent\Collection {#6164
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        0 => App\Models\BookPage {#6159
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          #perPage: 15
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          #escapeWhenCastingToString: false
          #attributes: array:21 [
            "id" => 991511
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "147"
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/page-147"
            "field_display_title" => "147"
            "field_folder" => "1"
            "field_image_name" => "147"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6162
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6165
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "field_h1" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6163
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#6179
              #items: array:1 [
                0 => App\Models\Element {#6178
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "991512"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6171
              #items: []
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 991511
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "147"
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/page-147"
            "field_display_title" => "147"
            "field_folder" => "1"
            "field_image_name" => "147"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6162}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6165}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "field_description_bottom" => null
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6163}
            "content" => Illuminate\Database\Eloquent\Collection {#6179}
            "next" => array:2 [
              "refs" => "991512"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6171}
          ]
          #changes: []
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          +timestamps: true
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          #hidden: []
          #visible: []
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          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "previous" => Illuminate\Database\Eloquent\Collection {#6155
      #items: array:1 [
        0 => App\Models\BookPage {#6154
          #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" => 991509
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "145"
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/page-145"
            "field_display_title" => "145"
            "field_folder" => "1"
            "field_image_name" => "145"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6156
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6157
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #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 {#6158
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#6168
              #items: array:1 [
                0 => App\Models\Element {#6167
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "991508"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6160
              #items: []
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 991509
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "145"
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/page-145"
            "field_display_title" => "145"
            "field_folder" => "1"
            "field_image_name" => "145"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6156}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6157}
            "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 {#6158}
            "content" => Illuminate\Database\Eloquent\Collection {#6168}
            "next" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "991508"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6160}
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
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          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "tasks" => Illuminate\Database\Eloquent\Collection {#1009
      #items: array:11 [
        0 => App\Models\Task {#1070
          #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" => 599204
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "146"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-1-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1074
              #items: array:1 [
                0 => App\Models\Term {#1071
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #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 {#1073
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1111
              #items: array:1 [
                0 => App\Models\Branch {#1072
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1146
              #items: array:3 [
                0 => App\Models\Branch {#1156
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Branch {#1161
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                2 => App\Models\Branch {#1166
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1144
              #items: array:5 [
                0 => App\Models\Element {#1134
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
                  #original: array:7 [ …7]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1132
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                2 => App\Models\Element {#1127
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                3 => App\Models\Element {#1117
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                4 => App\Models\Element {#1152
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599205"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599203"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1136
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599204
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "146"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-1-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1074}
            "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 {#1073}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1111}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1146}
            "content" => Illuminate\Database\Eloquent\Collection {#1144}
            "next" => array:2 [
              "refs" => "599205"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599203"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1136}
            "page" => array:2 [
              "refs" => "991510"
              "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 => "*"
          ]
        }
        1 => App\Models\Task {#1109
          #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" => 599205
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "146"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-1-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1153
              #items: array:1 [
                0 => App\Models\Term {#1071}
              ]
              #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 {#1138
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1140
              #items: array:1 [
                0 => App\Models\Branch {#1156}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1141
              #items: array:3 [
                0 => App\Models\Branch {#1156}
                1 => App\Models\Branch {#1161}
                2 => App\Models\Branch {#1166}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1113
              #items: array:5 [
                0 => App\Models\Element {#1186
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                   …26
                }
                1 => App\Models\Element {#1188 …30}
                2 => App\Models\Element {#1190 …30}
                3 => App\Models\Element {#1192 …30}
                4 => App\Models\Element {#1194 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599206"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599204"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1184
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599205
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "146"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-1-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1153}
            "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 {#1138}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1140}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1141}
            "content" => Illuminate\Database\Eloquent\Collection {#1113}
            "next" => array:2 [
              "refs" => "599206"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599204"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1184}
            "page" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
          ]
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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 => "*"
          ]
        }
        2 => App\Models\Task {#1142
          #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" => 599206
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "146"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-1-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1139
              #items: array:1 [
                0 => App\Models\Term {#1071}
              ]
              #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 {#1183
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1181
              #items: array:1 [
                0 => App\Models\Branch {#1156}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1172
              #items: array:3 [
                0 => App\Models\Branch {#1156}
                1 => App\Models\Branch {#1161}
                2 => App\Models\Branch {#1166}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1143
              #items: array:5 [
                0 => App\Models\Element {#1204 …30}
                1 => App\Models\Element {#1206 …30}
                2 => App\Models\Element {#1208 …30}
                3 => App\Models\Element {#1210 …30}
                4 => App\Models\Element {#1212 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599207"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599205"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1202
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599206
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "146"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-1-3"
            "field_display_title" => "3"
            "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 {#1183}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1181}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1172}
            "content" => Illuminate\Database\Eloquent\Collection {#1143}
            "next" => array:2 [
              "refs" => "599207"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599205"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1202}
            "page" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
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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 => "*"
          ]
        }
        3 => App\Models\Task {#1173
          #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" => 599207
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "146"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-1-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1182
              #items: array:1 [
                0 => App\Models\Term {#1071}
              ]
              #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 {#1201
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1199
              #items: array:1 [
                0 => App\Models\Branch {#1156}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1198
              #items: array:3 [
                0 => App\Models\Branch {#1156}
                1 => App\Models\Branch {#1161}
                2 => App\Models\Branch {#1166}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1171
              #items: array:5 [
                0 => App\Models\Element {#1222 …30}
                1 => App\Models\Element {#1224 …30}
                2 => App\Models\Element {#1226 …30}
                3 => App\Models\Element {#1228 …30}
                4 => App\Models\Element {#1230 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599208"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599206"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1220
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599207
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "146"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-1-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1182}
            "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 {#1201}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1199}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1198}
            "content" => Illuminate\Database\Eloquent\Collection {#1171}
            "next" => array:2 [
              "refs" => "599208"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599206"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1220}
            "page" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
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          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        4 => App\Models\Task {#1196
          #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" => 599208
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "146"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-1-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1200
              #items: array:1 [
                0 => App\Models\Term {#1071}
              ]
              #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 {#1219
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1217
              #items: array:1 [
                0 => App\Models\Branch {#1156}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1216
              #items: array:3 [
                0 => App\Models\Branch {#1156}
                1 => App\Models\Branch {#1161}
                2 => App\Models\Branch {#1166}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1197
              #items: array:5 [
                0 => App\Models\Element {#1240 …30}
                1 => App\Models\Element {#1242 …30}
                2 => App\Models\Element {#1244 …30}
                3 => App\Models\Element {#1246 …30}
                4 => App\Models\Element {#1248 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599209"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599207"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1238
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599208
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "146"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-1-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1200}
            "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 {#1219}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1217}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1216}
            "content" => Illuminate\Database\Eloquent\Collection {#1197}
            "next" => array:2 [
              "refs" => "599209"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599207"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1238}
            "page" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
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          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        5 => App\Models\Task {#1214
          #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" => 599209
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "146"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-1-6"
            "field_display_title" => "6"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1218
              #items: array:1 [
                0 => App\Models\Term {#1071}
              ]
              #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 {#1237
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1235
              #items: array:1 [
                0 => App\Models\Branch {#1156}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1234
              #items: array:3 [
                0 => App\Models\Branch {#1156}
                1 => App\Models\Branch {#1161}
                2 => App\Models\Branch {#1166}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1215
              #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" => "599210"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599208"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1256
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599209
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "146"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-1-6"
            "field_display_title" => "6"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1218}
            "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 {#1237}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1235}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1234}
            "content" => Illuminate\Database\Eloquent\Collection {#1215}
            "next" => array:2 [
              "refs" => "599210"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599208"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1256}
            "page" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        6 => App\Models\Task {#1232
          #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" => 599210
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "146"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-2-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1236
              #items: array:1 [
                0 => App\Models\Term {#1071}
              ]
              #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 {#1255
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1253
              #items: array:1 [
                0 => App\Models\Branch {#1156}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1368
              #items: array:3 [
                0 => App\Models\Branch {#1378 …30}
                1 => App\Models\Branch {#1382 …30}
                2 => App\Models\Branch {#1386 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1331
              #items: array:5 [
                0 => App\Models\Element {#1358 …30}
                1 => App\Models\Element {#1356 …30}
                2 => App\Models\Element {#1354 …30}
                3 => App\Models\Element {#1353 …30}
                4 => App\Models\Element {#1350 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599211"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599209"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1361
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991510"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599210
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "146"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-2-1"
            "field_display_title" => "1"
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            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1236}
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            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1253}
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            0 => "*"
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        }
        7 => App\Models\Task {#1297
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
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            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1375
              #items: array:1 [
                0 => App\Models\Term {#1071}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
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            "field_description_top" => null
            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1362
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1365
              #items: array:1 [
                0 => App\Models\Branch {#1378 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1364
              #items: array:3 [
                0 => App\Models\Branch {#1378 …30}
                1 => App\Models\Branch {#1382 …30}
                2 => App\Models\Branch {#1386 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1332
              #items: array:5 [
                0 => App\Models\Element {#1342 …30}
                1 => App\Models\Element {#1340 …30}
                2 => App\Models\Element {#1338 …30}
                3 => App\Models\Element {#1334 …30}
                4 => App\Models\Element {#1301 …30}
              ]
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            "next" => array:2 [
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              ]
              #escapeWhenCastingToString: false
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            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-2-2"
            "field_display_title" => "2"
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            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1364}
            "content" => Illuminate\Database\Eloquent\Collection {#1332}
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            0 => "*"
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        }
        8 => App\Models\Task {#1335
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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            "id" => 599212
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "146"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/39-2-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1363
              #items: array:1 [
                0 => App\Models\Term {#1071}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1343
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1347
              #items: array:1 [
                0 => App\Models\Branch {#1378 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1346
              #items: array:3 [
                0 => App\Models\Branch {#1378 …30}
                1 => App\Models\Branch {#1382 …30}
                2 => App\Models\Branch {#1386 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1336
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                0 => App\Models\Element {#1322 …30}
                1 => App\Models\Element {#1320 …30}
                2 => App\Models\Element {#1317 …30}
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                4 => App\Models\Element {#1314 …30}
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            "book" => Illuminate\Database\Eloquent\Collection {#1324
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        9 => App\Models\Task {#1348
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                0 => App\Models\Branch {#1378 …30}
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              #escapeWhenCastingToString: false
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            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1327
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                1 => App\Models\Branch {#1382 …30}
                2 => App\Models\Branch {#1386 …30}
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            "content" => Illuminate\Database\Eloquent\Collection {#1349
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                0 => App\Models\Element {#1302 …30}
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                4 => App\Models\Element {#1294 …30}
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            "book" => Illuminate\Database\Eloquent\Collection {#1304
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              #escapeWhenCastingToString: false
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        10 => App\Models\Task {#1330
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              #items: array:1 [
                0 => App\Models\Branch {#1378 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1308
              #items: array:3 [
                0 => App\Models\Branch {#1378 …30}
                1 => App\Models\Branch {#1382 …30}
                2 => App\Models\Branch {#1386 …30}
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              #items: array:5 [
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            "content" => Illuminate\Database\Eloquent\Collection {#1328}
            "next" => array:2 [
              "refs" => "599215"
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    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1016}
    "field_metatags_title" => null
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}
Физика, 8 класс Учебник, автор: Пёрышкин И М, издательство Просвещение, Москва, 2023, белого цвета, страница 146
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