Страница 223 - гдз по физике 8 класс учебник Громов, Родина

Физика, 8 класс Учебник, авторы: Громов Сергей Васильевич, Родина Надежда Александровна, Белага Виктория Владимировна, Ломаченков Иван Алексеевич, Панебратцев Юрий Анатольевич, издательство Просвещение, Москва, 2018

Авторы: Громов С. В., Родина Н. А., Белага В. В., Ломаченков И. А., Панебратцев Ю. А.

Тип: Учебник

Серия: классический курс

Издательство: Просвещение

Год издания: 2018 - 2026

Цвет обложки: синий

ISBN: 978-5-09-052825-2

Cтраница 223

App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php
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  #attributes: array:21 [
    "id" => 1613296
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    "updated_at" => null
    "field_page_start" => "223"
    "field_url" => "/8-klass/fizika/gromov-uchebnik/page-223"
    "field_display_title" => "223"
    "field_folder" => "1"
    "field_image_name" => "223"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008
      #items: []
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1042
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        0 => App\Models\Book {#1006
          #connection: "mysql"
          #table: "books"
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          #attributes: array:50 [
            "id" => 3654
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_tree_default_status" => "tasks"
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            "field_subject" => Illuminate\Database\Eloquent\Collection {#1009
              #items: array:1 [
                0 => App\Models\Term {#1007
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            "field_class" => Illuminate\Database\Eloquent\Collection {#1010
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                }
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            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1012
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            "field_author" => Illuminate\Database\Eloquent\Collection {#1014
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                1 => App\Models\Term {#1016
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                2 => App\Models\Term {#1017
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                3 => App\Models\Term {#1018
                  #connection: "mysql"
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                }
                4 => App\Models\Term {#1019
                  #connection: "mysql"
                  #table: "terms"
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                  #keyType: "int"
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                }
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              #escapeWhenCastingToString: false
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            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1020
              #items: []
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            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1021
              #items: array:1 [
                0 => App\Models\Term {#1022
                  #connection: "mysql"
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            "field_country" => Illuminate\Database\Eloquent\Collection {#1023
              #items: array:1 [
                0 => App\Models\Term {#1024
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            "field_city" => Illuminate\Database\Eloquent\Collection {#1025
              #items: array:1 [
                0 => App\Models\Term {#1026
                  #connection: "mysql"
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            "field_series" => Illuminate\Database\Eloquent\Collection {#1027
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            "field_umk" => Illuminate\Database\Eloquent\Collection {#1029
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            }
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                0 => App\Models\Term {#1019}
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              ]
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            "book_page" => array:2 [
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    "next" => Illuminate\Database\Eloquent\Collection {#6015
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        0 => App\Models\BookPage {#6010
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          #attributes: array:21 [
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            "field_display_title" => "224"
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            "field_image_name" => "224"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6013
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6016
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                0 => App\Models\Book {#1006}
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            }
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            }
            "content" => Illuminate\Database\Eloquent\Collection {#6030
              #items: array:1 [
                0 => App\Models\Element {#6029
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
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            "previous" => array:2 [
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            "tasks" => Illuminate\Database\Eloquent\Collection {#6023
              #items: array:4 [
                0 => App\Models\Task {#6037
                  #connection: "mysql"
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                }
                1 => App\Models\Task {#6078
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
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                }
                2 => App\Models\Task {#6070
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
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                }
                3 => App\Models\Task {#6052
                  #connection: "mysql"
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    "previous" => Illuminate\Database\Eloquent\Collection {#6006
      #items: array:1 [
        0 => App\Models\BookPage {#6005
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          #attributes: array:21 [
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            "field_display_title" => "222"
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            }
            "field_weight" => "0"
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                0 => App\Models\Element {#6018
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    "tasks" => Illuminate\Database\Eloquent\Collection {#1044
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                0 => App\Models\Branch {#1079
                  #connection: "mysql"
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              ]
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            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1117
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                0 => App\Models\Branch {#1127
                  #connection: "mysql"
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                }
                1 => App\Models\Branch {#1131
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
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                }
                2 => App\Models\Branch {#1136
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1072
              #items: array:2 [
                0 => App\Models\Element {#1109
                  #connection: "mysql"
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                  +timestamps: true
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                  #hidden: []
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                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1108
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
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                  #attributes: array:6 [ …6]
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              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
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            "book" => Illuminate\Database\Eloquent\Collection {#1112
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                0 => App\Models\Book {#1006}
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              #escapeWhenCastingToString: false
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            "book" => Illuminate\Database\Eloquent\Collection {#1112}
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          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        1 => App\Models\Task {#1115
          #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" => 1612769
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "223"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/54vopr-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1076
              #items: array:1 [
                0 => App\Models\Term {#1124
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1113
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1110
              #items: array:1 [
                0 => App\Models\Branch {#1127}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1198
              #items: array:3 [
                0 => App\Models\Branch {#1208
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:23 [ …23]
                  #original: array:23 [ …23]
                  #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 {#1212
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:23 [ …23]
                  #original: array:23 [ …23]
                  #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 {#1216
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:23 [ …23]
                  #original: array:23 [ …23]
                  #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 {#1154
              #items: array:2 [
                0 => App\Models\Element {#1187
                  #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 {#1185
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1612770"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612768"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1189
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613296"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1612769
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "223"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/54vopr-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1076}
            "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 {#1113}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1110}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1198}
            "content" => Illuminate\Database\Eloquent\Collection {#1154}
            "next" => array:2 [
              "refs" => "1612770"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612768"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1189}
            "page" => array:2 [
              "refs" => "1613296"
              "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 => "*"
          ]
        }
        2 => 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" => 1612770
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "223"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/54vopr-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1205
              #items: array:1 [
                0 => App\Models\Term {#1124}
              ]
              #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 {#1188
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1195
              #items: array:1 [
                0 => App\Models\Branch {#1208}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1192
              #items: array:3 [
                0 => App\Models\Branch {#1208}
                1 => App\Models\Branch {#1212}
                2 => App\Models\Branch {#1216}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1196
              #items: array:2 [
                0 => App\Models\Element {#1177
                  #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 {#1175
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1612771"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612769"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1178
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613296"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1612770
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "223"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/54vopr-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1205}
            "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 {#1188}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1195}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1192}
            "content" => Illuminate\Database\Eloquent\Collection {#1196}
            "next" => array:2 [
              "refs" => "1612771"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612769"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1178}
            "page" => array:2 [
              "refs" => "1613296"
              "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 {#1184
          #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" => 1612771
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "223"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/54vopr-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1158
              #items: array:1 [
                0 => App\Models\Term {#1124}
              ]
              #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 {#1176
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1181
              #items: array:1 [
                0 => App\Models\Branch {#1208}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1182
              #items: array:3 [
                0 => App\Models\Branch {#1208}
                1 => App\Models\Branch {#1212}
                2 => App\Models\Branch {#1216}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1183
              #items: array:2 [
                0 => App\Models\Element {#1164
                  #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 {#1162
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                   …24
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1612772"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612770"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1167
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613296"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1612771
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "223"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/54vopr-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1158}
            "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 {#1176}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1181}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1182}
            "content" => Illuminate\Database\Eloquent\Collection {#1183}
            "next" => array:2 [
              "refs" => "1612772"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612770"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1167}
            "page" => array:2 [
              "refs" => "1613296"
              "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 {#1173
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1612772
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "223"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/54vopr-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1180
              #items: array:1 [
                0 => App\Models\Term {#1124}
              ]
              #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 {#1163
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1169
              #items: array:1 [
                0 => App\Models\Branch {#1208}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1171
              #items: array:3 [
                0 => App\Models\Branch {#1208}
                1 => App\Models\Branch {#1212}
                2 => App\Models\Branch {#1216}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1165
              #items: array:2 [
                0 => App\Models\Element {#1101 …30}
                1 => App\Models\Element {#1151 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1612773"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612771"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1156
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613296"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1612772
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "223"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/54vopr-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 {#1163}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1169}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1171}
            "content" => Illuminate\Database\Eloquent\Collection {#1165}
            "next" => array:2 [
              "refs" => "1612773"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612771"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1156}
            "page" => array:2 [
              "refs" => "1613296"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        5 => App\Models\Task {#1160
          #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" => 1612773
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "223"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/54vopr-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1168
              #items: array:1 [
                0 => App\Models\Term {#1124}
              ]
              #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 {#1153
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1157
              #items: array:1 [
                0 => App\Models\Branch {#1208}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1193
              #items: array:3 [
                0 => App\Models\Branch {#1208}
                1 => App\Models\Branch {#1212}
                2 => App\Models\Branch {#1216}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1194
              #items: array:2 [
                0 => App\Models\Element {#1122 …30}
                1 => App\Models\Element {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1612774"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612772"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1139
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613296"
              "type" => "book_page"
            ]
          ]
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            "id" => 1612773
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            "updated_at" => null
            "field_page_start" => "223"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/54vopr-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1168}
            "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 {#1153}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1157}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1193}
            "content" => Illuminate\Database\Eloquent\Collection {#1194}
            "next" => array:2 [
              "refs" => "1612774"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612772"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1139}
            "page" => array:2 [
              "refs" => "1613296"
              "type" => "book_page"
            ]
          ]
          #changes: []
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            0 => "*"
          ]
        }
        6 => App\Models\Task {#1142
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1612774
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "223"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/54vopr-6"
            "field_display_title" => "6"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1155
              #items: array:1 [
                0 => App\Models\Term {#1124}
              ]
              #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 {#1140
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1143
              #items: array:1 [
                0 => App\Models\Branch {#1208}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1144
              #items: array:3 [
                0 => App\Models\Branch {#1208}
                1 => App\Models\Branch {#1212}
                2 => App\Models\Branch {#1216}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1141
              #items: array:2 [
                0 => App\Models\Element {#1085 …30}
                1 => App\Models\Element {#1087 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1612775"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612773"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1071
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613296"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1612774
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "223"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/54vopr-6"
            "field_display_title" => "6"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1155}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1140}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1143}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1144}
            "content" => Illuminate\Database\Eloquent\Collection {#1141}
            "next" => array:2 [
              "refs" => "1612775"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612773"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1071}
            "page" => array:2 [
              "refs" => "1613296"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #hidden: []
          #visible: []
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          #guarded: array:1 [
            0 => "*"
          ]
        }
        7 => App\Models\Task {#1116
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1612775
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "223"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/54vopr-7"
            "field_display_title" => "7"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1086
              #items: array:1 [
                0 => App\Models\Term {#1124}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1091
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1118
              #items: array:1 [
                0 => App\Models\Branch {#1208}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1123
              #items: array:3 [
                0 => App\Models\Branch {#1208}
                1 => App\Models\Branch {#1212}
                2 => App\Models\Branch {#1216}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1073
              #items: array:2 [
                0 => App\Models\Element {#1199 …30}
                1 => App\Models\Element {#1204 …30}
              ]
              #escapeWhenCastingToString: false
            }
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            ]
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              "refs" => "1612774"
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            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1097
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                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613296"
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            ]
          ]
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            "id" => 1612775
            "created_at" => "2026-04-10 00:54:11"
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            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/54vopr-7"
            "field_display_title" => "7"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1086}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1091}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1118}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1123}
            "content" => Illuminate\Database\Eloquent\Collection {#1073}
            "next" => array:2 [
              "refs" => "1612776"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612774"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1097}
            "page" => array:2 [
              "refs" => "1613296"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
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          #touches: []
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            0 => "*"
          ]
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      ]
      #escapeWhenCastingToString: false
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  ]
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    "id" => 1613296
    "created_at" => "2026-04-10 00:54:11"
    "updated_at" => null
    "field_page_start" => "223"
    "field_url" => "/8-klass/fizika/gromov-uchebnik/page-223"
    "field_display_title" => "223"
    "field_folder" => "1"
    "field_image_name" => "223"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1042}
    "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 {#1040}
    "content" => Illuminate\Database\Eloquent\Collection {#1051}
    "next" => array:2 [
      "refs" => "1613297"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1613295"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1044}
  ]
  #changes: []
  #casts: []
  #classCastCache: []
  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Физика, 8 класс Учебник, авторы: Громов Сергей Васильевич, Родина Надежда Александровна, Белага Виктория Владимировна, Ломаченков Иван Алексеевич, Панебратцев Юрий Анатольевич, издательство Просвещение, Москва, 2018, страница 223
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