Страница 62 - гдз по физике 9 класс учебник Грачев, Погожев

Физика, 9 класс Учебник, авторы: Грачев Александр Васильевич, Погожев Владимир Александрович, Боков Павел Юрьевич, издательство Вентана-граф, Москва, 2012

Авторы: Грачев А. В., Погожев В. А., Боков П. Ю.

Тип: Учебник

Серия: алгоритм успеха

Издательство: Вентана-граф

Год издания: 2012 - 2026

Цвет обложки: синий изображено здание и радуга

ISBN: 978-5-360-07412-0

Cтраница 62

App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php
  #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" => 1437568
    "created_at" => "2026-04-08 17:28:58"
    "updated_at" => null
    "field_page_start" => "62"
    "field_url" => "/9-klass/fizika/grachev-uchebnik/page-62"
    "field_display_title" => "62"
    "field_folder" => "1"
    "field_image_name" => "62"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008
      #items: []
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1041
      #items: array:1 [
        0 => App\Models\Book {#1006
          #connection: "mysql"
          #table: "books"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: false
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:50 [
            "id" => 1202
            "created_at" => "2026-04-08 17:28:58"
            "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"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:10 [ …10]
                  #original: array:10 [ …10]
                  #changes: []
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_class" => Illuminate\Database\Eloquent\Collection {#1010
              #items: array:1 [
                0 => App\Models\Term {#1011
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
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                  +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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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1012
              #items: array:1 [
                0 => App\Models\Term {#1013
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
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                  +exists: true
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                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_author" => Illuminate\Database\Eloquent\Collection {#1014
              #items: array:3 [
                0 => App\Models\Term {#1015
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
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                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:12 [ …12]
                  #original: array:12 [ …12]
                  #changes: []
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                  #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\Term {#1016
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
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                  +exists: true
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                  #attributes: array:12 [ …12]
                  #original: array:12 [ …12]
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                  +timestamps: true
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                }
                2 => App\Models\Term {#1017
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:12 [ …12]
                  #original: array:12 [ …12]
                  #changes: []
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                  #dateFormat: null
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1018
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1019
              #items: array:1 [
                0 => App\Models\Term {#1020
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:10 [ …10]
                  #original: array:10 [ …10]
                  #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_country" => 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
                  #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_city" => Illuminate\Database\Eloquent\Collection {#1023
              #items: array:1 [
                0 => App\Models\Term {#1024
                  #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: []
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                  #dateFormat: null
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_series" => Illuminate\Database\Eloquent\Collection {#1025
              #items: array:1 [
                0 => App\Models\Term {#1026
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
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                  +preventsLazyLoading: false
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                  #escapeWhenCastingToString: false
                  #attributes: array:8 [ …8]
                  #original: array:8 [ …8]
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1027
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1028
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1029
              #items: array:1 [
                0 => App\Models\Term {#1030
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:10 [ …10]
                  #original: array:10 [ …10]
                  #changes: []
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                  #dateFormat: null
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_publication_number" => "2"
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1031
              #items: array:1 [
                0 => App\Models\Term {#1032
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
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                  #hidden: []
                  #visible: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1033
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition_degree" => null
            "field_cover_description" => "изображено здание и радуга"
            "field_publication_year" => "2012"
            "field_publication_year_until" => null
            "field_part" => ""
            "field_part_writing" => ""
            "field_second_foreign_language" => null
            "field_for_whom" => "Учебник для учащихся общеобразовательных организаций"
            "field_allowed" => null
            "field_reserve_field" => null
            "field_link_to_source" => null
            "field_tasks_count" => "580"
            "field_priority" => null
            "field_default_folder" => "/fizika_09/grachev-u/"
            "field_isbn" => "978-5-360-07412-0"
            "field_cover" => array:1 [
              0 => "/media/fizika_09/grachev-u/covers/cover1.webp"
            ]
            "field_cover_alts" => array:1 [
              0 => ""
            ]
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              0 => array:4 [
                "path" => "/media/fizika_09/grachev-u/covers/cover1.webp"
                "alt" => ""
                "width" => "2294"
                "height" => "3039"
              ]
            ]
            "field_popular_book" => "0"
            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1034
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_new_book" => Illuminate\Database\Eloquent\Collection {#1035
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_old_book" => Illuminate\Database\Eloquent\Collection {#1036
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_url" => "/9-klass/fizika/grachev-uchebnik"
            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1037
              #items: array:1 [
                0 => App\Models\Term {#1038
                  #connection: "mysql"
                  #table: "terms"
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              ]
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            "field_metatags_title" => null
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            ]
          ]
          #original: array:50 [
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            "field_subject" => Illuminate\Database\Eloquent\Collection {#1009}
            "field_class" => Illuminate\Database\Eloquent\Collection {#1010}
            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1012}
            "field_author" => Illuminate\Database\Eloquent\Collection {#1014}
            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1018}
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1019}
            "field_country" => Illuminate\Database\Eloquent\Collection {#1021}
            "field_city" => Illuminate\Database\Eloquent\Collection {#1023}
            "field_series" => Illuminate\Database\Eloquent\Collection {#1025}
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1027}
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1028}
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1029}
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            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1031}
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                "path" => "/media/fizika_09/grachev-u/0-1/62-1.webp"
              ]
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            "edition" => Illuminate\Database\Eloquent\Collection {#1059}
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            "img" => array:1 [
              0 => array:5 [
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                "path" => "/media/fizika_09/grachev-u/0-1/62-1.webp"
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            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "next" => Illuminate\Database\Eloquent\Collection {#6074
      #items: array:1 [
        0 => App\Models\BookPage {#6073
          #connection: "mysql"
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            "field_display_title" => "63"
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            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6086
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            "content" => Illuminate\Database\Eloquent\Collection {#6118
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                0 => App\Models\Element {#6108
                  #connection: "mysql"
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
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            "tasks" => Illuminate\Database\Eloquent\Collection {#6076
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            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6086}
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            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6079}
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6078}
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            ]
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            0 => "*"
          ]
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      ]
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    }
    "previous" => Illuminate\Database\Eloquent\Collection {#6069
      #items: array:1 [
        0 => App\Models\BookPage {#6068
          #connection: "mysql"
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          #keyType: "int"
          +incrementing: true
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          #attributes: array:21 [
            "id" => 1437567
            "created_at" => "2026-04-08 17:28:58"
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            "field_display_title" => "61"
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            "field_image_name" => "61"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6070
              #items: []
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            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6071
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            "field_metatags_title" => null
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            }
            "content" => Illuminate\Database\Eloquent\Collection {#6082
              #items: array:1 [
                0 => App\Models\Element {#6081
                  #connection: "mysql"
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                  #attributes: array:6 [ …6]
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                }
              ]
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            ]
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            "tasks" => Illuminate\Database\Eloquent\Collection {#6075
              #items: array:2 [
                0 => App\Models\Task {#6087
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
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                  +exists: true
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                  #original: array:24 [ …24]
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                  +timestamps: true
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                  #hidden: []
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                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Task {#6094
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
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                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                   …11
                }
              ]
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 1437567
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            "updated_at" => null
            "field_page_start" => "61"
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            "field_display_title" => "61"
            "field_folder" => "1"
            "field_image_name" => "61"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6070}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6071}
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6072}
            "content" => Illuminate\Database\Eloquent\Collection {#6082}
            "next" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1437566"
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            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6075}
          ]
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            0 => "*"
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      ]
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    "tasks" => Illuminate\Database\Eloquent\Collection {#1040
      #items: array:13 [
        0 => App\Models\Task {#1072
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
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          +incrementing: true
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            "field_url" => "/9-klass/fizika/grachev-uchebnik/10vopr-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1076
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                0 => App\Models\Term {#1073 …30}
              ]
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            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1115
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                0 => App\Models\Branch {#1074 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1152
              #items: array:3 [
                0 => App\Models\Branch {#1162 …30}
                1 => App\Models\Branch {#1167 …30}
                2 => App\Models\Branch {#1172 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1113
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                0 => App\Models\Element {#1144 …30}
                1 => App\Models\Element {#1143 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
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            ]
            "previous" => array:2 [
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              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1147
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
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            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
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            "field_url" => "/9-klass/fizika/grachev-uchebnik/10vopr-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1076}
            "field_metatags_title" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1075}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1115}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1152}
            "content" => Illuminate\Database\Eloquent\Collection {#1113}
            "next" => array:2 [
              "refs" => "1438113"
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            ]
            "previous" => array:2 [
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            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1147}
            "page" => array:2 [
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              "type" => "book_page"
            ]
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            0 => "*"
          ]
        }
        1 => App\Models\Task {#1150
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
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          #attributes: array:24 [
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            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
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            "field_url" => "/9-klass/fizika/grachev-uchebnik/10vopr-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1159
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1148
              #items: array:1 [
                0 => App\Models\Branch {#1162 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1117
              #items: array:3 [
                0 => App\Models\Branch {#1162 …30}
                1 => App\Models\Branch {#1167 …30}
                2 => App\Models\Branch {#1172 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1118
              #items: array:2 [
                0 => App\Models\Element {#1127 …30}
                1 => App\Models\Element {#1123 …30}
              ]
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            }
            "next" => array:2 [
              "refs" => "1438114"
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            ]
            "previous" => array:2 [
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              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1129
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1438113
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
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            "field_url" => "/9-klass/fizika/grachev-uchebnik/10vopr-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1159}
            "field_metatags_title" => null
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            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1145}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1148}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1117}
            "content" => Illuminate\Database\Eloquent\Collection {#1118}
            "next" => array:2 [
              "refs" => "1438114"
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            ]
            "previous" => array:2 [
              "refs" => "1438112"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1129}
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
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            0 => "*"
          ]
        }
        2 => App\Models\Task {#1134
          #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" => 1438114
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10vopr-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1149
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1128
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1130
              #items: array:1 [
                0 => App\Models\Branch {#1162 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1135
              #items: array:3 [
                0 => App\Models\Branch {#1162 …30}
                1 => App\Models\Branch {#1167 …30}
                2 => App\Models\Branch {#1172 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1133
              #items: array:2 [
                0 => App\Models\Element {#1158 …30}
                1 => App\Models\Element {#1156 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1438115"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438113"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1114
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1438114
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10vopr-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1149}
            "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 {#1128}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1130}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1135}
            "content" => Illuminate\Database\Eloquent\Collection {#1133}
            "next" => array:2 [
              "refs" => "1438115"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438113"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1114}
            "page" => array:2 [
              "refs" => "1437568"
              "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 => "*"
          ]
        }
        3 => App\Models\Task {#1121
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1438115
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10vopr-6"
            "field_display_title" => "6"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1131
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1151
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1120
              #items: array:1 [
                0 => App\Models\Branch {#1162 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1122
              #items: array:3 [
                0 => App\Models\Branch {#1162 …30}
                1 => App\Models\Branch {#1167 …30}
                2 => App\Models\Branch {#1172 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1119
              #items: array:2 [
                0 => App\Models\Element {#1187 …30}
                1 => App\Models\Element {#1189 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1438116"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438114"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1177
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1438115
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10vopr-6"
            "field_display_title" => "6"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1131}
            "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 {#1151}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1120}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1122}
            "content" => Illuminate\Database\Eloquent\Collection {#1119}
            "next" => array:2 [
              "refs" => "1438116"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438114"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1177}
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        4 => App\Models\Task {#1157
          #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" => 1438116
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10vopr-7"
            "field_display_title" => "7"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1116
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1178
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1175
              #items: array:1 [
                0 => App\Models\Branch {#1162 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1155
              #items: array:3 [
                0 => App\Models\Branch {#1162 …30}
                1 => App\Models\Branch {#1167 …30}
                2 => App\Models\Branch {#1172 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1176
              #items: array:2 [
                0 => App\Models\Element {#1199 …30}
                1 => App\Models\Element {#1201 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1438117"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438115"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1196
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1438116
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10vopr-7"
            "field_display_title" => "7"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1116}
            "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 {#1178}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1175}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1155}
            "content" => Illuminate\Database\Eloquent\Collection {#1176}
            "next" => array:2 [
              "refs" => "1438117"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438115"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1196}
            "page" => array:2 [
              "refs" => "1437568"
              "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 => "*"
          ]
        }
        5 => App\Models\Task {#1191
          #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" => 1438117
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10vopr-8"
            "field_display_title" => "8"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1179
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1198
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1194
              #items: array:1 [
                0 => App\Models\Branch {#1162 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1192
              #items: array:3 [
                0 => App\Models\Branch {#1162 …30}
                1 => App\Models\Branch {#1167 …30}
                2 => App\Models\Branch {#1172 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1193
              #items: array:2 [
                0 => App\Models\Element {#1211 …30}
                1 => App\Models\Element {#1213 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1438118"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438116"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1208
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1438117
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10vopr-8"
            "field_display_title" => "8"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1179}
            "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 {#1198}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1194}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1192}
            "content" => Illuminate\Database\Eloquent\Collection {#1193}
            "next" => array:2 [
              "refs" => "1438118"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438116"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1208}
            "page" => array:2 [
              "refs" => "1437568"
              "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 => "*"
          ]
        }
        6 => App\Models\Task {#1203
          #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" => 1438118
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10vopr-9"
            "field_display_title" => "9"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1195
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1210
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1206
              #items: array:1 [
                0 => App\Models\Branch {#1162 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1204
              #items: array:3 [
                0 => App\Models\Branch {#1162 …30}
                1 => App\Models\Branch {#1167 …30}
                2 => App\Models\Branch {#1172 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1205
              #items: array:2 [
                0 => App\Models\Element {#1223 …30}
                1 => App\Models\Element {#1225 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1438119"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438117"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1220
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1438118
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10vopr-9"
            "field_display_title" => "9"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1195}
            "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 {#1210}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1206}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1204}
            "content" => Illuminate\Database\Eloquent\Collection {#1205}
            "next" => array:2 [
              "refs" => "1438119"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438117"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1220}
            "page" => array:2 [
              "refs" => "1437568"
              "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 => "*"
          ]
        }
        7 => App\Models\Task {#1215
          #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" => 1438119
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10upr-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1207
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1222
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1218
              #items: array:1 [
                0 => App\Models\Branch {#1162 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1336
              #items: array:3 [
                0 => App\Models\Branch {#1346 …30}
                1 => App\Models\Branch {#1350 …30}
                2 => App\Models\Branch {#1354 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1261
              #items: array:2 [
                0 => App\Models\Element {#1330 …30}
                1 => App\Models\Element {#1328 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1438120"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438118"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1332
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1438119
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10upr-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1207}
            "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 {#1222}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1218}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1336}
            "content" => Illuminate\Database\Eloquent\Collection {#1261}
            "next" => array:2 [
              "refs" => "1438120"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438118"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1332}
            "page" => array:2 [
              "refs" => "1437568"
              "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 => "*"
          ]
        }
        8 => App\Models\Task {#1297
          #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" => 1438120
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10upr-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1343
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1331
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1301
              #items: array:1 [
                0 => App\Models\Branch {#1346 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1298
              #items: array:3 [
                0 => App\Models\Branch {#1346 …30}
                1 => App\Models\Branch {#1350 …30}
                2 => App\Models\Branch {#1354 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1334
              #items: array:2 [
                0 => App\Models\Element {#1319 …30}
                1 => App\Models\Element {#1317 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1438121"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438119"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1320
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1438120
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10upr-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1343}
            "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 {#1331}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1301}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1298}
            "content" => Illuminate\Database\Eloquent\Collection {#1334}
            "next" => array:2 [
              "refs" => "1438121"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438119"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1320}
            "page" => array:2 [
              "refs" => "1437568"
              "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 => "*"
          ]
        }
        9 => App\Models\Task {#1327
          #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" => 1438121
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10upr-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1302
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1318
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1323
              #items: array:1 [
                0 => App\Models\Branch {#1346 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1324
              #items: array:3 [
                0 => App\Models\Branch {#1346 …30}
                1 => App\Models\Branch {#1350 …30}
                2 => App\Models\Branch {#1354 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1325
              #items: array:2 [
                0 => App\Models\Element {#1305 …30}
                1 => App\Models\Element {#1303 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1438122"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438120"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1310
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1438121
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10upr-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1302}
            "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 {#1318}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1323}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1324}
            "content" => Illuminate\Database\Eloquent\Collection {#1325}
            "next" => array:2 [
              "refs" => "1438122"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438120"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1310}
            "page" => array:2 [
              "refs" => "1437568"
              "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 => "*"
          ]
        }
        10 => App\Models\Task {#1315
          #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" => 1438122
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10upr-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1322
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1308
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1312
              #items: array:1 [
                0 => App\Models\Branch {#1346 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1313
              #items: array:3 [
                0 => App\Models\Branch {#1346 …30}
                1 => App\Models\Branch {#1350 …30}
                2 => App\Models\Branch {#1354 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1309
              #items: array:2 [
                0 => App\Models\Element {#1292 …30}
                1 => App\Models\Element {#1289 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1438123"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438121"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1296
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1438122
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10upr-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1322}
            "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 {#1308}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1312}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1313}
            "content" => Illuminate\Database\Eloquent\Collection {#1309}
            "next" => array:2 [
              "refs" => "1438123"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438121"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1296}
            "page" => array:2 [
              "refs" => "1437568"
              "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 => "*"
          ]
        }
        11 => App\Models\Task {#1299
          #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" => 1438123
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10upr-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1311
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1293
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1265
              #items: array:1 [
                0 => App\Models\Branch {#1346 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1300
              #items: array:3 [
                0 => App\Models\Branch {#1346 …30}
                1 => App\Models\Branch {#1350 …30}
                2 => App\Models\Branch {#1354 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1264
              #items: array:2 [
                0 => App\Models\Element {#1279 …30}
                1 => App\Models\Element {#1277 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1438124"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438122"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1284
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1438123
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10upr-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1311}
            "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 {#1293}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1265}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1300}
            "content" => Illuminate\Database\Eloquent\Collection {#1264}
            "next" => array:2 [
              "refs" => "1438124"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438122"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1284}
            "page" => array:2 [
              "refs" => "1437568"
              "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 => "*"
          ]
        }
        12 => App\Models\Task {#1287
          #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" => 1438124
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "62"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10upr-6"
            "field_display_title" => "6"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1295
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1282
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1285
              #items: array:1 [
                0 => App\Models\Branch {#1346 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1288
              #items: array:3 [
                0 => App\Models\Branch {#1346 …30}
                1 => App\Models\Branch {#1350 …30}
                2 => App\Models\Branch {#1354 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1286
              #items: array:2 [
                0 => App\Models\Element {#1269 …30}
                1 => App\Models\Element {#1267 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1438125"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438123"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1270
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1438124
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            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-uchebnik/10upr-6"
            "field_display_title" => "6"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1295}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1282}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1285}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1288}
            "content" => Illuminate\Database\Eloquent\Collection {#1286}
            "next" => array:2 [
              "refs" => "1438125"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1438123"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1270}
            "page" => array:2 [
              "refs" => "1437568"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
  ]
  #original: array:21 [
    "id" => 1437568
    "created_at" => "2026-04-08 17:28:58"
    "updated_at" => null
    "field_page_start" => "62"
    "field_url" => "/9-klass/fizika/grachev-uchebnik/page-62"
    "field_display_title" => "62"
    "field_folder" => "1"
    "field_image_name" => "62"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1041}
    "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 {#1039}
    "content" => Illuminate\Database\Eloquent\Collection {#1050}
    "next" => array:2 [
      "refs" => "1437569"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1437567"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1040}
  ]
  #changes: []
  #casts: []
  #classCastCache: []
  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Физика, 9 класс Учебник, авторы: Грачев Александр Васильевич, Погожев Владимир Александрович, Боков Павел Юрьевич, издательство Вентана-граф, Москва, 2012, страница 62
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