Страница 28 - 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 28

App\Models\BookPage {#994 // resources/views/models/book_page/default.blade.php
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  #attributes: array:21 [
    "id" => 1613101
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    "updated_at" => null
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    "field_url" => "/8-klass/fizika/gromov-uchebnik/page-28"
    "field_display_title" => "28"
    "field_folder" => "1"
    "field_image_name" => "28"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#304
      #items: []
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
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          #connection: "mysql"
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          #attributes: array:50 [
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                0 => App\Models\Term {#313
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            "field_class" => Illuminate\Database\Eloquent\Collection {#997
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            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1003
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                1 => App\Models\Term {#1008
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                2 => App\Models\Term {#1009
                  #connection: "mysql"
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                3 => App\Models\Term {#1010
                  #connection: "mysql"
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                4 => App\Models\Term {#1011
                  #connection: "mysql"
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                }
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            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1012
              #items: []
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              #items: array:1 [
                0 => App\Models\Term {#1014
                  #connection: "mysql"
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            "field_country" => Illuminate\Database\Eloquent\Collection {#1015
              #items: array:1 [
                0 => App\Models\Term {#1016
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            "field_city" => Illuminate\Database\Eloquent\Collection {#1017
              #items: array:1 [
                0 => App\Models\Term {#1018
                  #connection: "mysql"
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                }
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            "field_series" => Illuminate\Database\Eloquent\Collection {#1019
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            "field_umk" => Illuminate\Database\Eloquent\Collection {#1021
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            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1022
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              ]
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                }
              ]
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            }
            "book_page" => array:2 [
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            "img" => array:1 [
              0 => array:5 [
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                "height" => 2562
                "path" => "/media/fizika_08/gromov-u/0-1/28-1.webp?ts=1763478334"
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            "edition" => Illuminate\Database\Eloquent\Collection {#1035}
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                "path" => "/media/fizika_08/gromov-u/0-1/28-1.webp?ts=1763478334"
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            0 => "*"
          ]
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      ]
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    "next" => Illuminate\Database\Eloquent\Collection {#6022
      #items: array:1 [
        0 => App\Models\BookPage {#6017
          #connection: "mysql"
          #table: "book_pages"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
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            "id" => 1613102
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
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            "field_display_title" => "29"
            "field_folder" => "1"
            "field_image_name" => "29"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6020
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6023
              #items: array:1 [
                0 => App\Models\Book {#1164
                  #connection: "mysql"
                  #table: "books"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
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                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:50 [ …50]
                  #original: array:50 [ …50]
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                }
              ]
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            }
            "field_metatags_title" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6021
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#6043
              #items: array:1 [
                0 => App\Models\Element {#6042
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1613103"
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            "previous" => array:2 [
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            "tasks" => Illuminate\Database\Eloquent\Collection {#6033
              #items: array:3 [
                0 => App\Models\Task {#6049
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
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                  #hidden: []
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                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Task {#6097
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
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                }
                2 => App\Models\Task {#6082
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
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                }
              ]
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            }
          ]
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            "field_display_title" => "29"
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            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6020}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6023}
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            "field_description_bottom" => null
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6021}
            "content" => Illuminate\Database\Eloquent\Collection {#6043}
            "next" => array:2 [
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              "type" => "book_page"
            ]
            "previous" => array:2 [
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            "tasks" => Illuminate\Database\Eloquent\Collection {#6033}
          ]
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            0 => "*"
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        }
      ]
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    }
    "previous" => Illuminate\Database\Eloquent\Collection {#6013
      #items: array:1 [
        0 => App\Models\BookPage {#6012
          #connection: "mysql"
          #table: "book_pages"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
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          #attributes: array:21 [
            "id" => 1613100
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
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            "field_display_title" => "27"
            "field_folder" => "1"
            "field_image_name" => "27"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6014
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6015
              #items: array:1 [
                0 => App\Models\Book {#1164}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6016
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            }
            "content" => Illuminate\Database\Eloquent\Collection {#6026
              #items: array:1 [
                0 => App\Models\Element {#6025
                  #connection: "mysql"
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                  #primaryKey: "id"
                  #keyType: "int"
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                }
              ]
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            }
            "next" => array:2 [
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            "previous" => array:2 [
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            "tasks" => Illuminate\Database\Eloquent\Collection {#6018
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          ]
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            "field_weight" => "0"
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            "content" => Illuminate\Database\Eloquent\Collection {#6026}
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            "tasks" => Illuminate\Database\Eloquent\Collection {#6018}
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            0 => "*"
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        }
      ]
      #escapeWhenCastingToString: false
    }
    "tasks" => Illuminate\Database\Eloquent\Collection {#1042
      #items: array:7 [
        0 => App\Models\Task {#1043
          #connection: "mysql"
          #table: "tasks"
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          +incrementing: true
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          #attributes: array:24 [
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            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
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            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1044
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                0 => App\Models\Term {#1045
                  #connection: "mysql"
                  #table: "terms"
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                  #attributes: array:6 [ …6]
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "field_h1" => null
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            "field_match" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1046
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1047
              #items: array:1 [
                0 => App\Models\Branch {#1048
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1053
              #items: array:3 [
                0 => App\Models\Branch {#1054
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
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                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Branch {#1058
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
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                  #attributeCastCache: []
                  #dateFormat: null
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                2 => App\Models\Branch {#1063
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1075
              #items: array:2 [
                0 => App\Models\Element {#1076
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
                  #original: array:7 [ …7]
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                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1078
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
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                  #attributeCastCache: []
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1612303"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612301"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1086
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613101"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1612302
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "28"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/05vopr-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1044}
            "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 {#1046}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1047}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1053}
            "content" => Illuminate\Database\Eloquent\Collection {#1075}
            "next" => array:2 [
              "refs" => "1612303"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612301"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1086}
            "page" => array:2 [
              "refs" => "1613101"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        1 => App\Models\Task {#1087
          #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" => 1612303
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "28"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/05vopr-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1088
              #items: array:1 [
                0 => App\Models\Term {#1045}
              ]
              #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 {#1089
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1090
              #items: array:1 [
                0 => App\Models\Branch {#1054}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1091
              #items: array:3 [
                0 => App\Models\Branch {#1054}
                1 => App\Models\Branch {#1058}
                2 => App\Models\Branch {#1063}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1092
              #items: array:2 [
                0 => App\Models\Element {#1093
                  #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 {#1095
                  #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" => "1612304"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612302"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1097
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613101"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1612303
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "28"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/05vopr-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1088}
            "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 {#1089}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1090}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1091}
            "content" => Illuminate\Database\Eloquent\Collection {#1092}
            "next" => array:2 [
              "refs" => "1612304"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612302"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1097}
            "page" => array:2 [
              "refs" => "1613101"
              "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 {#1098
          #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" => 1612304
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "28"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/05vopr-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1099
              #items: array:1 [
                0 => App\Models\Term {#1045}
              ]
              #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 {#1100
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1101
              #items: array:1 [
                0 => App\Models\Branch {#1054}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1102
              #items: array:3 [
                0 => App\Models\Branch {#1054}
                1 => App\Models\Branch {#1058}
                2 => App\Models\Branch {#1063}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1103
              #items: array:2 [
                0 => App\Models\Element {#1104
                  #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 {#1106
                  #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" => "1612305"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612303"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1108
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613101"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1612304
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "28"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/05vopr-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1099}
            "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 {#1100}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1101}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1102}
            "content" => Illuminate\Database\Eloquent\Collection {#1103}
            "next" => array:2 [
              "refs" => "1612305"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612303"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1108}
            "page" => array:2 [
              "refs" => "1613101"
              "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 {#1109
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1612305
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "28"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/05vopr-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1110
              #items: array:1 [
                0 => App\Models\Term {#1045}
              ]
              #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 {#1111
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1112
              #items: array:1 [
                0 => App\Models\Branch {#1054}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1113
              #items: array:3 [
                0 => App\Models\Branch {#1054}
                1 => App\Models\Branch {#1058}
                2 => App\Models\Branch {#1063}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1114
              #items: array:2 [
                0 => App\Models\Element {#1115
                  #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 {#1117
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1612306"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612304"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1119
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613101"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1612305
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "28"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/05vopr-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1110}
            "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 {#1111}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1112}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1113}
            "content" => Illuminate\Database\Eloquent\Collection {#1114}
            "next" => array:2 [
              "refs" => "1612306"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612304"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1119}
            "page" => array:2 [
              "refs" => "1613101"
              "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 {#1120
          #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" => 1612306
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "28"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/05obsud-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1121
              #items: array:1 [
                0 => App\Models\Term {#1045}
              ]
              #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 {#1122
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1123
              #items: array:1 [
                0 => App\Models\Branch {#1054}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1124
              #items: array:3 [
                0 => App\Models\Branch {#1054}
                1 => App\Models\Branch {#1058}
                2 => App\Models\Branch {#1125
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1133
              #items: array:2 [
                0 => App\Models\Element {#1134
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
                  #original: array:7 [ …7]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1136
                  #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" => "1612307"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612305"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1138
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613101"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1612306
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "28"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/05obsud-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1121}
            "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 {#1122}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1123}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1124}
            "content" => Illuminate\Database\Eloquent\Collection {#1133}
            "next" => array:2 [
              "refs" => "1612307"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612305"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1138}
            "page" => array:2 [
              "refs" => "1613101"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #dateFormat: null
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          +timestamps: true
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        5 => App\Models\Task {#1139
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
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            "field_url" => "/8-klass/fizika/gromov-uchebnik/05obsud-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1140
              #items: array:1 [
                0 => App\Models\Term {#1045}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1142
              #items: array:1 [
                0 => App\Models\Branch {#1054}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1143
              #items: array:3 [
                0 => App\Models\Branch {#1054}
                1 => App\Models\Branch {#1058}
                2 => App\Models\Branch {#1125}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1144
              #items: array:2 [
                0 => App\Models\Element {#1145
                  #connection: "mysql"
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                  #primaryKey: "id"
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                  +preventsLazyLoading: false
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                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1147
                  #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: []
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                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1612308"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612306"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1149
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613101"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1612307
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "28"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/05obsud-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1140}
            "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 {#1141}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1142}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1143}
            "content" => Illuminate\Database\Eloquent\Collection {#1144}
            "next" => array:2 [
              "refs" => "1612308"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612306"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1149}
            "page" => array:2 [
              "refs" => "1613101"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          +timestamps: true
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          #hidden: []
          #visible: []
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          #guarded: array:1 [
            0 => "*"
          ]
        }
        6 => App\Models\Task {#1150
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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          #perPage: 15
          +exists: true
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          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1612308
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "28"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/05dokl-1"
            "field_display_title" => "Темы докладов"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1151
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1152
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1153
              #items: array:1 [
                0 => App\Models\Branch {#1054}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1154
              #items: array:3 [
                0 => App\Models\Branch {#1054}
                1 => App\Models\Branch {#1058}
                2 => App\Models\Branch {#1125}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1155
              #items: array:2 [
                0 => App\Models\Element {#1156
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #with: []
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                  +preventsLazyLoading: false
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                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
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                  #changes: []
                  #casts: []
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                  +timestamps: true
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                  #hidden: []
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                   …1
                }
                1 => App\Models\Element {#1158 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
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              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612307"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1160
              #items: array:1 [
                0 => App\Models\Book {#998}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613101"
              "type" => "book_page"
            ]
          ]
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            "id" => 1612308
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            "updated_at" => null
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            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/05dokl-1"
            "field_display_title" => "Темы докладов"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1151}
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            "field_metatags_description" => null
            "field_h1" => null
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            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1152}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1153}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1154}
            "content" => Illuminate\Database\Eloquent\Collection {#1155}
            "next" => array:2 [
              "refs" => "1612309"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612307"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1160}
            "page" => array:2 [
              "refs" => "1613101"
              "type" => "book_page"
            ]
          ]
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      #escapeWhenCastingToString: false
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  ]
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    "id" => 1613101
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "28"
    "field_url" => "/8-klass/fizika/gromov-uchebnik/page-28"
    "field_display_title" => "28"
    "field_folder" => "1"
    "field_image_name" => "28"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#304}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1001}
    "field_metatags_title" => null
    "field_metatags_description" => null
    "field_h1" => null
    "field_description_top" => null
    "field_description_bottom" => null
    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1032}
    "content" => Illuminate\Database\Eloquent\Collection {#1033}
    "next" => array:2 [
      "refs" => "1613102"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1613100"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1042}
  ]
  #changes: []
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  #classCastCache: []
  #attributeCastCache: []
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  #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 28
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