Страница 275 - 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 275

App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php
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  +incrementing: true
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  #attributes: array:21 [
    "id" => 1613348
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    "updated_at" => null
    "field_page_start" => "275"
    "field_url" => "/8-klass/fizika/gromov-uchebnik/page-275"
    "field_display_title" => "275"
    "field_folder" => "1"
    "field_image_name" => "275"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008
      #items: []
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1042
      #items: array:1 [
        0 => App\Models\Book {#1006
          #connection: "mysql"
          #table: "books"
          #primaryKey: "id"
          #keyType: "int"
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          #with: []
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          #attributes: array:50 [
            "id" => 3654
            "created_at" => "2026-04-08 17:28:58"
            "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"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #with: []
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                  #original: array:12 [ …12]
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                  #visible: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1020
              #items: []
              #escapeWhenCastingToString: false
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            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1021
              #items: array:1 [
                0 => App\Models\Term {#1022
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
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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"
                  #table: "terms"
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                }
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            "field_series" => Illuminate\Database\Eloquent\Collection {#1027
              #items: array:1 [
                0 => App\Models\Term {#1028
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                }
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            "field_umk" => Illuminate\Database\Eloquent\Collection {#1029
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            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1030
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                0 => App\Models\Term {#1032
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            }
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1034
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                0 => App\Models\Term {#1019}
              ]
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              ]
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                0 => App\Models\Term {#1039
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "book_page" => array:2 [
              "refs" => "1613348"
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            ]
            "img" => array:1 [
              0 => array:5 [
                "name" => "275-1.jpg"
                "alt" => null
                "width" => "1875"
                "height" => 2556
                "path" => "/media/fizika_08/gromov-u/0-1/275-1.webp"
              ]
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            "id" => 1851059
            "created_at" => "2026-04-08 17:28:58"
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            "edition" => Illuminate\Database\Eloquent\Collection {#1060}
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              "refs" => "1613348"
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            "img" => array:1 [
              0 => array:5 [
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                "alt" => null
                "width" => "1875"
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                "path" => "/media/fizika_08/gromov-u/0-1/275-1.webp"
              ]
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            0 => "*"
          ]
        }
      ]
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    }
    "next" => Illuminate\Database\Eloquent\Collection {#6024
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        0 => App\Models\BookPage {#6025
          #connection: "mysql"
          #table: "book_pages"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
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          #attributes: array:21 [
            "id" => 1613349
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            "field_display_title" => "276"
            "field_folder" => "1"
            "field_image_name" => "276"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6045
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6044
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6043
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#6029
              #items: array:1 [
                0 => App\Models\Element {#6036
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
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                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
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                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1613350"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1613348"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6040
              #items: array:6 [
                0 => App\Models\Task {#6203
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Task {#6216
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                2 => App\Models\Task {#6228
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                3 => App\Models\Task {#6240
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                4 => App\Models\Task {#6252
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
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                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
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                  #dateFormat: null
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                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                5 => App\Models\Task {#6264
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                   …14
                }
              ]
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 1613349
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            "field_display_title" => "276"
            "field_folder" => "1"
            "field_image_name" => "276"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6045}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6044}
            "field_metatags_title" => null
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            "field_h1" => null
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            "field_description_bottom" => null
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6043}
            "content" => Illuminate\Database\Eloquent\Collection {#6029}
            "next" => array:2 [
              "refs" => "1613350"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1613348"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6040}
          ]
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            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "previous" => Illuminate\Database\Eloquent\Collection {#6019
      #items: array:1 [
        0 => App\Models\BookPage {#6018
          #connection: "mysql"
          #table: "book_pages"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
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          #attributes: array:21 [
            "id" => 1613347
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
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            "field_display_title" => "274"
            "field_folder" => "1"
            "field_image_name" => "274"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6020
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6021
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                0 => App\Models\Book {#1006}
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6022
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            "content" => Illuminate\Database\Eloquent\Collection {#6032
              #items: array:1 [
                0 => App\Models\Element {#6031 …30}
              ]
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            }
            "next" => array:2 [
              "refs" => "1613348"
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            "tasks" => Illuminate\Database\Eloquent\Collection {#6023
              #items: array:13 [
                0 => App\Models\Task {#6048 …30}
                1 => App\Models\Task {#6055 …30}
                2 => App\Models\Task {#6067 …30}
                3 => App\Models\Task {#6079 …30}
                4 => App\Models\Task {#6091 …30}
                5 => App\Models\Task {#6103 …30}
                6 => App\Models\Task {#6115 …30}
                7 => App\Models\Task {#6127 …30}
                8 => App\Models\Task {#6139 …30}
                9 => App\Models\Task {#6151 …30}
                10 => App\Models\Task {#6163 …30}
                11 => App\Models\Task {#6175 …30}
                12 => App\Models\Task {#6187 …30}
              ]
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            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6020}
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    "tasks" => Illuminate\Database\Eloquent\Collection {#1044
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            "field_display_title" => "102"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1076
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
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            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1085
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                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1077
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                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1074
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                0 => App\Models\Element {#1093 …30}
                1 => App\Models\Element {#1095 …30}
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            "next" => array:2 [
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            "book" => Illuminate\Database\Eloquent\Collection {#1090
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                0 => App\Models\Book {#1006}
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              #escapeWhenCastingToString: false
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            "page" => array:2 [
              "refs" => "1613348"
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          ]
          #original: array:24 [
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            "field_display_title" => "102"
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            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1076}
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1075}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1085}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1077}
            "content" => Illuminate\Database\Eloquent\Collection {#1074}
            "next" => array:2 [
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            "book" => Illuminate\Database\Eloquent\Collection {#1090}
            "page" => array:2 [
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            0 => "*"
          ]
        }
        1 => App\Models\Task {#1081
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
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          +preventsLazyLoading: false
          #perPage: 15
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          #attributes: array:24 [
            "id" => 1612970
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
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            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-103"
            "field_display_title" => "103"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1078
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                0 => App\Models\Term {#1073 …30}
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              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1092
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            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1080
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                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1079
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1082
              #items: array:2 [
                0 => App\Models\Element {#1111 …30}
                1 => App\Models\Element {#1113 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1612971"
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            "book" => Illuminate\Database\Eloquent\Collection {#1108
              #items: array:1 [
                0 => App\Models\Book {#1006}
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1092}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1080}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1079}
            "content" => Illuminate\Database\Eloquent\Collection {#1082}
            "next" => array:2 [
              "refs" => "1612971"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612969"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1108}
            "page" => array:2 [
              "refs" => "1613348"
              "type" => "book_page"
            ]
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
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          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        2 => App\Models\Task {#1102
          #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" => 1612971
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "275"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-104"
            "field_display_title" => "104"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1089
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1110
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1106
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1103
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1105
              #items: array:2 [
                0 => App\Models\Element {#1123 …30}
                1 => App\Models\Element {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1612972"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612970"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1120
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613348"
              "type" => "book_page"
            ]
          ]
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            "id" => 1612971
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "275"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-104"
            "field_display_title" => "104"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1089}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1110}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1106}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1103}
            "content" => Illuminate\Database\Eloquent\Collection {#1105}
            "next" => array:2 [
              "refs" => "1612972"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612970"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1120}
            "page" => array:2 [
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              "type" => "book_page"
            ]
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          #attributeCastCache: []
          #dateFormat: null
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          #dispatchesEvents: []
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          #relations: []
          #touches: []
          +timestamps: true
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          #hidden: []
          #visible: []
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          #guarded: array:1 [
            0 => "*"
          ]
        }
        3 => 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" => 1612972
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "275"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-105"
            "field_display_title" => "105"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1107
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1122
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1118
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1116
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1117
              #items: array:2 [
                0 => App\Models\Element {#1135 …30}
                1 => App\Models\Element {#1137 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1612973"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1612971"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1132
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613348"
              "type" => "book_page"
            ]
          ]
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            "id" => 1612972
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "275"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-105"
            "field_display_title" => "105"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1107}
            "field_metatags_title" => null
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            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1122}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1118}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1116}
            "content" => Illuminate\Database\Eloquent\Collection {#1117}
            "next" => array:2 [
              "refs" => "1612973"
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            ]
            "previous" => array:2 [
              "refs" => "1612971"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1132}
            "page" => array:2 [
              "refs" => "1613348"
              "type" => "book_page"
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          #dateFormat: null
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        4 => App\Models\Task {#1127
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
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          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1612973
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "275"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-106"
            "field_display_title" => "106"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1119
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1134
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1130
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1128
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1129
              #items: array:2 [
                0 => App\Models\Element {#1147 …30}
                1 => App\Models\Element {#1149 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
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            ]
            "previous" => array:2 [
              "refs" => "1612972"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1144
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613348"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1612973
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "275"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-106"
            "field_display_title" => "106"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1119}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
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            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1134}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1130}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1128}
            "content" => Illuminate\Database\Eloquent\Collection {#1129}
            "next" => array:2 [
              "refs" => "1612974"
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            ]
            "previous" => array:2 [
              "refs" => "1612972"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1144}
            "page" => array:2 [
              "refs" => "1613348"
              "type" => "book_page"
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          #attributeCastCache: []
          #dateFormat: null
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          #relations: []
          #touches: []
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          #hidden: []
          #visible: []
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          #guarded: array:1 [
            0 => "*"
          ]
        }
        5 => App\Models\Task {#1139
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
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          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1612974
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "275"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-107"
            "field_display_title" => "107"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1131
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1146
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1142
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1140
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1141
              #items: array:2 [
                0 => App\Models\Element {#1159 …30}
                1 => App\Models\Element {#1161 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1612975"
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            ]
            "previous" => array:2 [
              "refs" => "1612973"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1156
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1613348"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1612974
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
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            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-107"
            "field_display_title" => "107"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1131}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1146}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1142}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1140}
            "content" => Illuminate\Database\Eloquent\Collection {#1141}
            "next" => array:2 [
              "refs" => "1612975"
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            ]
            "previous" => array:2 [
              "refs" => "1612973"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1156}
            "page" => array:2 [
              "refs" => "1613348"
              "type" => "book_page"
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          #attributeCastCache: []
          #dateFormat: null
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          #touches: []
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          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        6 => App\Models\Task {#1151
          #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" => 1612975
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "275"
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            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-108"
            "field_display_title" => "108"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1143
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1158
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1154
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1152
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1153
              #items: array:2 [
                0 => App\Models\Element {#1171 …30}
                1 => App\Models\Element {#1173 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
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              "refs" => "1612974"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1168
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
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            ]
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            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-108"
            "field_display_title" => "108"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1143}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1158}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1154}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1152}
            "content" => Illuminate\Database\Eloquent\Collection {#1153}
            "next" => array:2 [
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            "book" => Illuminate\Database\Eloquent\Collection {#1168}
            "page" => array:2 [
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              "type" => "book_page"
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          #dateFormat: null
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          +timestamps: true
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          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        7 => App\Models\Task {#1163
          #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" => 1612976
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "275"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-109"
            "field_display_title" => "109"
            "field_outside_task" => null
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            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1166
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1164
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
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            }
            "content" => Illuminate\Database\Eloquent\Collection {#1165
              #items: array:2 [
                0 => App\Models\Element {#1183 …30}
                1 => App\Models\Element {#1185 …30}
              ]
              #escapeWhenCastingToString: false
            }
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            "previous" => array:2 [
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            "book" => Illuminate\Database\Eloquent\Collection {#1180
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                0 => App\Models\Book {#1006}
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            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1164}
            "content" => Illuminate\Database\Eloquent\Collection {#1165}
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            "book" => Illuminate\Database\Eloquent\Collection {#1180}
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            0 => "*"
          ]
        }
        8 => App\Models\Task {#1175
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
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          #withCount: []
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          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1612977
            "created_at" => "2026-04-08 17:28:58"
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            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-110"
            "field_display_title" => "110"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1167
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1182
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1178
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1176
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1177
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                0 => App\Models\Element {#1195 …30}
                1 => App\Models\Element {#1197 …30}
              ]
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            }
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              "refs" => "1612976"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1192
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
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            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-110"
            "field_display_title" => "110"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1167}
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            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1178}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1176}
            "content" => Illuminate\Database\Eloquent\Collection {#1177}
            "next" => array:2 [
              "refs" => "1612978"
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            "previous" => array:2 [
              "refs" => "1612976"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1192}
            "page" => array:2 [
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              "type" => "book_page"
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          ]
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            0 => "*"
          ]
        }
        9 => App\Models\Task {#1187
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
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          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1612978
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "275"
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            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-111"
            "field_display_title" => "111"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1179
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1194
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1190
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1188
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1189
              #items: array:2 [
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              ]
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            "book" => Illuminate\Database\Eloquent\Collection {#1204
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        10 => App\Models\Task {#1199
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                0 => App\Models\Term {#1073 …30}
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1206
              #items: []
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            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1202
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1200
              #items: array:1 [
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              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1201
              #items: array:2 [
                0 => App\Models\Element {#1219 …30}
                1 => App\Models\Element {#1221 …30}
              ]
              #escapeWhenCastingToString: false
            }
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            "book" => Illuminate\Database\Eloquent\Collection {#1216
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              ]
              #escapeWhenCastingToString: false
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            "field_url" => "/8-klass/fizika/gromov-uchebnik/upr-112"
            "field_display_title" => "112"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1191}
            "field_metatags_title" => null
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            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1200}
            "content" => Illuminate\Database\Eloquent\Collection {#1201}
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        11 => App\Models\Task {#1211
          #connection: "mysql"
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            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1203
              #items: array:1 [
                0 => App\Models\Term {#1073 …30}
              ]
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1218
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1214
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1212
              #items: array:1 [
                0 => App\Models\Branch {#1084 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1213
              #items: array:2 [
                0 => App\Models\Element {#1231 …30}
                1 => App\Models\Element {#1233 …30}
              ]
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            }
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            "book" => Illuminate\Database\Eloquent\Collection {#1228
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                0 => App\Models\Book {#1006}
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            }
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            "field_display_title" => "113"
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1218}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1214}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1212}
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            "next" => array:2 [
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              "refs" => "1612979"
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            "book" => Illuminate\Database\Eloquent\Collection {#1228}
            "page" => array:2 [
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      ]
      #escapeWhenCastingToString: false
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  ]
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    "id" => 1613348
    "created_at" => "2026-04-08 17:28:58"
    "updated_at" => null
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    "field_url" => "/8-klass/fizika/gromov-uchebnik/page-275"
    "field_display_title" => "275"
    "field_folder" => "1"
    "field_image_name" => "275"
    "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" => "1613349"
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    ]
    "previous" => array:2 [
      "refs" => "1613347"
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    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1044}
  ]
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  +timestamps: true
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  #hidden: []
  #visible: []
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  #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 275
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