Страница 171 - 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 171

App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php
  #connection: "mysql"
  #table: "book_pages"
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  #keyType: "int"
  +incrementing: true
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  #attributes: array:21 [
    "id" => 991535
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "171"
    "field_url" => "/8-klass/fizika/peryshkin-uchebnik/page-171"
    "field_display_title" => "171"
    "field_folder" => "1"
    "field_image_name" => "171"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008
      #items: []
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1039
      #items: array:1 [
        0 => App\Models\Book {#1006
          #connection: "mysql"
          #table: "books"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: false
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          #attributes: array:50 [
            "id" => 51
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_tree_default_status" => "tasks"
            "field_pages_status" => null
            "field_subject" => Illuminate\Database\Eloquent\Collection {#1009
              #items: array:1 [
                0 => App\Models\Term {#1007
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #attributes: array:10 [ …10]
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                }
              ]
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            }
            "field_class" => Illuminate\Database\Eloquent\Collection {#1010
              #items: array:1 [
                0 => App\Models\Term {#1011
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
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                }
              ]
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            }
            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1012
              #items: array:1 [
                0 => App\Models\Term {#1013
                  #connection: "mysql"
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                  #keyType: "int"
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            "field_author" => Illuminate\Database\Eloquent\Collection {#1014
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                0 => App\Models\Term {#1015
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            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1016
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              #escapeWhenCastingToString: false
            }
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1017
              #items: array:1 [
                0 => App\Models\Term {#1018
                  #connection: "mysql"
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                }
              ]
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            }
            "field_country" => Illuminate\Database\Eloquent\Collection {#1019
              #items: array:1 [
                0 => App\Models\Term {#1020
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_city" => Illuminate\Database\Eloquent\Collection {#1021
              #items: array:1 [
                0 => App\Models\Term {#1022
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
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                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
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                  #dateFormat: null
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                  #hidden: []
                  #visible: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_series" => Illuminate\Database\Eloquent\Collection {#1023
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1024
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1025
              #items: array:1 [
                0 => App\Models\Term {#1026
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
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                  #withCount: []
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                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
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                  +timestamps: true
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                  #hidden: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1027
              #items: array:1 [
                0 => App\Models\Term {#1028
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
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                  #original: array:10 [ …10]
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_publication_number" => "3"
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1029
              #items: array:1 [
                0 => App\Models\Term {#1030
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1031
              #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_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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              0 => array:4 [
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              ]
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            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1032
              #items: []
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              #items: []
              #escapeWhenCastingToString: false
            }
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              #items: []
              #escapeWhenCastingToString: false
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            "field_url" => "/8-klass/fizika/peryshkin-uchebnik"
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              #items: array:1 [
                0 => App\Models\Term {#1036
                  #connection: "mysql"
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    "next" => Illuminate\Database\Eloquent\Collection {#6158
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            "field_display_title" => "172"
            "field_folder" => "1"
            "field_image_name" => "172"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6156
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6159
              #items: array:1 [
                0 => App\Models\Book {#1006}
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              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "field_h1" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6157
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#6173
              #items: array:1 [
                0 => App\Models\Element {#6172
                  #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]
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                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "991537"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "991535"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6164
              #items: array:3 [
                0 => App\Models\Task {#6179
                  #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 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
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                  #attributeCastCache: []
                  #dateFormat: null
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
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                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Task {#6185
                  #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 [ …24]
                  #original: array:24 [ …24]
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                  #attributeCastCache: []
                  #dateFormat: null
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                2 => App\Models\Task {#6189
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
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                  +preventsLazyLoading: false
                  #perPage: 15
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                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
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                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 991536
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            "field_page_start" => "172"
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            "field_display_title" => "172"
            "field_folder" => "1"
            "field_image_name" => "172"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6156}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6159}
            "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 {#6157}
            "content" => Illuminate\Database\Eloquent\Collection {#6173}
            "next" => array:2 [
              "refs" => "991537"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "991535"
              "type" => "book_page"
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            "tasks" => Illuminate\Database\Eloquent\Collection {#6164}
          ]
          #changes: []
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          #dateFormat: null
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            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "previous" => Illuminate\Database\Eloquent\Collection {#6149
      #items: array:1 [
        0 => App\Models\BookPage {#6148
          #connection: "mysql"
          #table: "book_pages"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
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          #escapeWhenCastingToString: false
          #attributes: array:21 [
            "id" => 991534
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "170"
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/page-170"
            "field_display_title" => "170"
            "field_folder" => "1"
            "field_image_name" => "170"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6150
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6151
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
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            }
            "field_metatags_title" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6152
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#6162
              #items: array:1 [
                0 => App\Models\Element {#6161
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
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                  +preventsLazyLoading: false
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                  #attributes: array:6 [ …6]
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                }
              ]
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            }
            "next" => array:2 [
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            ]
            "previous" => array:2 [
              "refs" => "991533"
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            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6154
              #items: []
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          ]
          #original: array:21 [
            "id" => 991534
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            "field_display_title" => "170"
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            "field_image_name" => "170"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6150}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6151}
            "field_metatags_title" => null
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            "field_description_bottom" => null
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6152}
            "content" => Illuminate\Database\Eloquent\Collection {#6162}
            "next" => array:2 [
              "refs" => "991535"
              "type" => "book_page"
            ]
            "previous" => array:2 [
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            "tasks" => Illuminate\Database\Eloquent\Collection {#6154}
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            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "tasks" => Illuminate\Database\Eloquent\Collection {#1038
      #items: array:11 [
        0 => App\Models\Task {#1068
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 599280
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "171"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-1-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1072
              #items: array:1 [
                0 => App\Models\Term {#1069
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
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                  #attributes: array:6 [ …6]
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                  #dateFormat: null
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                  +timestamps: true
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                  #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 {#1071
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1109
              #items: array:1 [
                0 => App\Models\Branch {#1070
                  #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: []
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                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
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                  #observables: []
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1144
              #items: array:3 [
                0 => App\Models\Branch {#1154
                  #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 {#1159
                  #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 {#1164
                  #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 {#1142
              #items: array:5 [
                0 => 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: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 {#1130
                  #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 {#1125
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                   …26
                }
                3 => App\Models\Element {#1115 …30}
                4 => App\Models\Element {#1150 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599281"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599279"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1134
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991535"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599280
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "171"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-1-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1072}
            "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 {#1071}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1109}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1144}
            "content" => Illuminate\Database\Eloquent\Collection {#1142}
            "next" => array:2 [
              "refs" => "599281"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599279"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1134}
            "page" => array:2 [
              "refs" => "991535"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
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          #touches: []
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        1 => App\Models\Task {#1107
          #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" => 599281
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "171"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-1-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1151
              #items: array:1 [
                0 => App\Models\Term {#1069}
              ]
              #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 {#1136
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1138
              #items: array:1 [
                0 => App\Models\Branch {#1154}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1139
              #items: array:3 [
                0 => App\Models\Branch {#1154}
                1 => App\Models\Branch {#1159}
                2 => App\Models\Branch {#1164}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1111
              #items: array:5 [
                0 => App\Models\Element {#1184 …30}
                1 => App\Models\Element {#1186 …30}
                2 => App\Models\Element {#1188 …30}
                3 => App\Models\Element {#1190 …30}
                4 => App\Models\Element {#1192 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599282"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599280"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1182
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991535"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599281
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "171"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-1-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1151}
            "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 {#1136}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1138}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1139}
            "content" => Illuminate\Database\Eloquent\Collection {#1111}
            "next" => array:2 [
              "refs" => "599282"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599280"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1182}
            "page" => array:2 [
              "refs" => "991535"
              "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 => "*"
          ]
        }
        2 => App\Models\Task {#1140
          #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" => 599282
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "171"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-1-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1137
              #items: array:1 [
                0 => App\Models\Term {#1069}
              ]
              #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 {#1181
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1179
              #items: array:1 [
                0 => App\Models\Branch {#1154}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1170
              #items: array:3 [
                0 => App\Models\Branch {#1154}
                1 => App\Models\Branch {#1159}
                2 => App\Models\Branch {#1164}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1141
              #items: array:5 [
                0 => App\Models\Element {#1202 …30}
                1 => App\Models\Element {#1204 …30}
                2 => App\Models\Element {#1206 …30}
                3 => App\Models\Element {#1208 …30}
                4 => App\Models\Element {#1210 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599283"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599281"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1200
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991535"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599282
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "171"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-1-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1137}
            "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 {#1181}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1179}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1170}
            "content" => Illuminate\Database\Eloquent\Collection {#1141}
            "next" => array:2 [
              "refs" => "599283"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599281"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1200}
            "page" => array:2 [
              "refs" => "991535"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #classCastCache: []
          #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 {#1171
          #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" => 599283
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "171"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-1-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1180
              #items: array:1 [
                0 => App\Models\Term {#1069}
              ]
              #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 {#1199
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1197
              #items: array:1 [
                0 => App\Models\Branch {#1154}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1196
              #items: array:3 [
                0 => App\Models\Branch {#1154}
                1 => App\Models\Branch {#1159}
                2 => App\Models\Branch {#1164}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1169
              #items: array:5 [
                0 => App\Models\Element {#1220 …30}
                1 => App\Models\Element {#1222 …30}
                2 => App\Models\Element {#1224 …30}
                3 => App\Models\Element {#1226 …30}
                4 => App\Models\Element {#1228 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599284"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599282"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1218
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991535"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599283
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "171"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-1-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1180}
            "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 {#1199}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1197}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1196}
            "content" => Illuminate\Database\Eloquent\Collection {#1169}
            "next" => array:2 [
              "refs" => "599284"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599282"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1218}
            "page" => array:2 [
              "refs" => "991535"
              "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 => "*"
          ]
        }
        4 => App\Models\Task {#1194
          #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" => 599284
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "171"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-1-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1198
              #items: array:1 [
                0 => App\Models\Term {#1069}
              ]
              #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 {#1217
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1215
              #items: array:1 [
                0 => App\Models\Branch {#1154}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1214
              #items: array:3 [
                0 => App\Models\Branch {#1154}
                1 => App\Models\Branch {#1159}
                2 => App\Models\Branch {#1164}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1195
              #items: array:5 [
                0 => App\Models\Element {#1238 …30}
                1 => App\Models\Element {#1240 …30}
                2 => App\Models\Element {#1242 …30}
                3 => App\Models\Element {#1244 …30}
                4 => App\Models\Element {#1246 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599285"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599283"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1236
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991535"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599284
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "171"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-1-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1198}
            "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 {#1217}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1215}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1214}
            "content" => Illuminate\Database\Eloquent\Collection {#1195}
            "next" => array:2 [
              "refs" => "599285"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599283"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1236}
            "page" => array:2 [
              "refs" => "991535"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
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          #relations: []
          #touches: []
          +timestamps: true
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        5 => App\Models\Task {#1212
          #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" => 599285
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "171"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-1-6"
            "field_display_title" => "6"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1216
              #items: array:1 [
                0 => App\Models\Term {#1069}
              ]
              #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 {#1235
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1233
              #items: array:1 [
                0 => App\Models\Branch {#1154}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1232
              #items: array:3 [
                0 => App\Models\Branch {#1154}
                1 => App\Models\Branch {#1159}
                2 => App\Models\Branch {#1164}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1230
              #items: array:4 [
                0 => App\Models\Element {#1255 …30}
                1 => App\Models\Element {#1257 …30}
                2 => App\Models\Element {#1259 …30}
                3 => App\Models\Element {#1261 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599286"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599284"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1253
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991535"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599285
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "171"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-1-6"
            "field_display_title" => "6"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1216}
            "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 {#1235}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1233}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1232}
            "content" => Illuminate\Database\Eloquent\Collection {#1230}
            "next" => array:2 [
              "refs" => "599286"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599284"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1253}
            "page" => array:2 [
              "refs" => "991535"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
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          #relations: []
          #touches: []
          +timestamps: true
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        6 => App\Models\Task {#1213
          #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" => 599286
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "171"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-2-1"
            "field_display_title" => "Обсуди с товарищем"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1234
              #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 {#1251
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1250
              #items: array:1 [
                0 => App\Models\Branch {#1154}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1252
              #items: array:3 [
                0 => App\Models\Branch {#1154}
                1 => App\Models\Branch {#1159}
                2 => App\Models\Branch {#1164}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1231
              #items: array:4 [
                0 => App\Models\Element {#1271 …30}
                1 => App\Models\Element {#1273 …30}
                2 => App\Models\Element {#1275 …30}
                3 => App\Models\Element {#1277 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "599287"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "599285"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1269
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "991535"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 599286
            "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/46-2-1"
            "field_display_title" => "Обсуди с товарищем"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1234}
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1251}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1250}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1252}
            "content" => Illuminate\Database\Eloquent\Collection {#1231}
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            "book" => Illuminate\Database\Eloquent\Collection {#1269}
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            0 => "*"
          ]
        }
        7 => App\Models\Task {#1249
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
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          #withCount: []
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            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-3-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1248
              #items: array:1 [
                0 => App\Models\Term {#1069}
              ]
              #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 {#1267
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1266
              #items: array:1 [
                0 => App\Models\Branch {#1154}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1380
              #items: array:3 [
                0 => App\Models\Branch {#1390 …30}
                1 => App\Models\Branch {#1394 …30}
                2 => App\Models\Branch {#1398 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1343
              #items: array:5 [
                0 => App\Models\Element {#1370 …30}
                1 => App\Models\Element {#1368 …30}
                2 => App\Models\Element {#1366 …30}
                3 => App\Models\Element {#1365 …30}
                4 => App\Models\Element {#1362 …30}
              ]
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            }
            "next" => array:2 [
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            "previous" => array:2 [
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              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1373
              #items: array:1 [
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              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
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            ]
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            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-3-1"
            "field_display_title" => "1"
            "field_outside_task" => null
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            "field_metatags_title" => null
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            "field_h1" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1267}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1266}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1380}
            "content" => Illuminate\Database\Eloquent\Collection {#1343}
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          #guarded: array:1 [
            0 => "*"
          ]
        }
        8 => App\Models\Task {#1309
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
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            "id" => 599288
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "171"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik/46-3-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1387
              #items: array:1 [
                0 => App\Models\Term {#1069}
              ]
              #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 {#1374
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1377
              #items: array:1 [
                0 => App\Models\Branch {#1390 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1376
              #items: array:3 [
                0 => App\Models\Branch {#1390 …30}
                1 => App\Models\Branch {#1394 …30}
                2 => App\Models\Branch {#1398 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1344
              #items: array:5 [
                0 => App\Models\Element {#1354 …30}
                1 => App\Models\Element {#1352 …30}
                2 => App\Models\Element {#1350 …30}
                3 => App\Models\Element {#1346 …30}
                4 => App\Models\Element {#1313 …30}
              ]
              #escapeWhenCastingToString: false
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            "book" => Illuminate\Database\Eloquent\Collection {#1356
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        9 => App\Models\Task {#1347
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            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1359
              #items: array:1 [
                0 => App\Models\Branch {#1390 …30}
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              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1358
              #items: array:3 [
                0 => App\Models\Branch {#1390 …30}
                1 => App\Models\Branch {#1394 …30}
                2 => App\Models\Branch {#1398 …30}
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              #escapeWhenCastingToString: false
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            "content" => Illuminate\Database\Eloquent\Collection {#1348
              #items: array:5 [
                0 => App\Models\Element {#1334 …30}
                1 => App\Models\Element {#1332 …30}
                2 => App\Models\Element {#1329 …30}
                3 => App\Models\Element {#1328 …30}
                4 => App\Models\Element {#1326 …30}
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            "book" => Illuminate\Database\Eloquent\Collection {#1336
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              #escapeWhenCastingToString: false
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            "field_display_title" => "3"
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        10 => App\Models\Task {#1360
          #connection: "mysql"
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            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1338
              #items: array:1 [
                0 => App\Models\Branch {#1390 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1339
              #items: array:3 [
                0 => App\Models\Branch {#1390 …30}
                1 => App\Models\Branch {#1394 …30}
                2 => App\Models\Branch {#1398 …30}
              ]
              #escapeWhenCastingToString: false
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            "content" => Illuminate\Database\Eloquent\Collection {#1361
              #items: array:5 [
                0 => App\Models\Element {#1314 …30}
                1 => App\Models\Element {#1310 …30}
                2 => App\Models\Element {#1268 …30}
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                4 => App\Models\Element {#1306 …30}
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            "book" => Illuminate\Database\Eloquent\Collection {#1316
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              #escapeWhenCastingToString: false
            }
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1335}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1338}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1339}
            "content" => Illuminate\Database\Eloquent\Collection {#1361}
            "next" => array:2 [
              "refs" => "599291"
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  ]
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    "field_folder" => "1"
    "field_image_name" => "171"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1039}
    "field_metatags_title" => null
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}
Физика, 8 класс Учебник, автор: Пёрышкин И М, издательство Просвещение, Москва, 2023, белого цвета, страница 171
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