Страница 167 - гдз по физике 8 класс учебник Пёрышкин, Иванов

Физика, 8 класс Учебник, авторы: Пёрышкин И М, Иванов Александр Иванович, издательство Просвещение, Москва, 2021 - 2022, белого цвета

Авторы: Пёрышкин И. М., Иванов А. И.

Тип: Учебник

Издательство: Просвещение

Год издания: 2021 - 2022

Цвет обложки: белый

ISBN: 978-5-09-084611-0

Допущено Министерством просвещения Российской Федерации

Cтраница 167

App\Models\BookPage {#1026 // resources/views/models/book_page/default.blade.php
  #connection: "mysql"
  #table: "book_pages"
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    "id" => 1001264
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    "field_display_title" => "167"
    "field_folder" => "1"
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    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#333
      #items: []
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    "field_weight" => "0"
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            "field_subject" => Illuminate\Database\Eloquent\Collection {#344
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            "field_class" => Illuminate\Database\Eloquent\Collection {#335
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                0 => App\Models\Term {#1035
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            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1032
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                1 => App\Models\Term {#1038
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            "field_country" => Illuminate\Database\Eloquent\Collection {#1042
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                }
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            "field_city" => Illuminate\Database\Eloquent\Collection {#1044
              #items: array:1 [
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            "field_series" => Illuminate\Database\Eloquent\Collection {#1046
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            "field_umk" => Illuminate\Database\Eloquent\Collection {#1047
              #items: []
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            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1048
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            "field_isbn" => "978-5-09-084611-0"
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              ]
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            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1053
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            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021"
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                  #connection: "mysql"
                  #table: "books"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:50 [ …50]
                  #original: array:50 [ …50]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#5146
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#5147
              #items: array:1 [
                0 => App\Models\Element {#5148
                  #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" => "1001266"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#5156
              #items: []
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 1001265
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "168"
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/page-168"
            "field_display_title" => "168"
            "field_folder" => "1"
            "field_image_name" => "168"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5116}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5114}
            "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 {#5146}
            "content" => Illuminate\Database\Eloquent\Collection {#5147}
            "next" => array:2 [
              "refs" => "1001266"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#5156}
          ]
          #changes: []
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          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "previous" => Illuminate\Database\Eloquent\Collection {#5115
      #items: array:1 [
        0 => App\Models\BookPage {#5070
          #connection: "mysql"
          #table: "book_pages"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:21 [
            "id" => 1001263
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "166"
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/page-166"
            "field_display_title" => "166"
            "field_folder" => "1"
            "field_image_name" => "166"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5066
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5073
              #items: array:1 [
                0 => App\Models\Book {#5072
                  #connection: "mysql"
                  #table: "books"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:50 [ …50]
                  #original: array:50 [ …50]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                   …12
                }
              ]
              #escapeWhenCastingToString: false
            }
            "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 {#5102
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#5103
              #items: array:1 [
                0 => App\Models\Element {#5104 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1001262"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#5112
              #items: []
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 1001263
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "166"
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/page-166"
            "field_display_title" => "166"
            "field_folder" => "1"
            "field_image_name" => "166"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5066}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5073}
            "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 {#5102}
            "content" => Illuminate\Database\Eloquent\Collection {#5103}
            "next" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1001262"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#5112}
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "tasks" => Illuminate\Database\Eloquent\Collection {#1068
      #items: array:14 [
        0 => App\Models\Task {#1069
          #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" => 1000870
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1070
              #items: array:1 [
                0 => App\Models\Term {#1071 …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 {#1072
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1073
              #items: array:1 [
                0 => App\Models\Branch {#1074 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1108
              #items: array:3 [
                0 => App\Models\Branch {#1109 …30}
                1 => App\Models\Branch {#1114 …30}
                2 => App\Models\Branch {#1118 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1160
              #items: array:3 [
                0 => App\Models\Element {#1161 …30}
                1 => App\Models\Element {#1163 …30}
                2 => App\Models\Element {#1171 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1000871"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000869"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1179
              #items: array:1 [
                0 => App\Models\Book {#1028}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1000870
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1070}
            "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 {#1072}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1073}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1108}
            "content" => Illuminate\Database\Eloquent\Collection {#1160}
            "next" => array:2 [
              "refs" => "1000871"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000869"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1179}
            "page" => array:2 [
              "refs" => "1001264"
              "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 {#1180
          #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" => 1000871
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1181
              #items: array:1 [
                0 => App\Models\Term {#1071 …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 {#1182
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1183
              #items: array:1 [
                0 => App\Models\Branch {#1109 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1184
              #items: array:3 [
                0 => App\Models\Branch {#1109 …30}
                1 => App\Models\Branch {#1114 …30}
                2 => App\Models\Branch {#1118 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1185
              #items: array:3 [
                0 => App\Models\Element {#1186 …30}
                1 => App\Models\Element {#1188 …30}
                2 => App\Models\Element {#1190 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1000872"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000870"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1192
              #items: array:1 [
                0 => App\Models\Book {#1028}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1000871
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1181}
            "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 {#1182}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1183}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1184}
            "content" => Illuminate\Database\Eloquent\Collection {#1185}
            "next" => array:2 [
              "refs" => "1000872"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000870"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1192}
            "page" => array:2 [
              "refs" => "1001264"
              "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 {#1193
          #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" => 1000872
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1194
              #items: array:1 [
                0 => App\Models\Term {#1071 …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 {#1195
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1196
              #items: array:1 [
                0 => App\Models\Branch {#1109 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1197
              #items: array:3 [
                0 => App\Models\Branch {#1109 …30}
                1 => App\Models\Branch {#1114 …30}
                2 => App\Models\Branch {#1118 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1198
              #items: array:3 [
                0 => App\Models\Element {#1199 …30}
                1 => App\Models\Element {#1201 …30}
                2 => App\Models\Element {#1203 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1000873"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000871"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1205
              #items: array:1 [
                0 => App\Models\Book {#1028}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1000872
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1194}
            "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 {#1195}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1196}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1197}
            "content" => Illuminate\Database\Eloquent\Collection {#1198}
            "next" => array:2 [
              "refs" => "1000873"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000871"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1205}
            "page" => array:2 [
              "refs" => "1001264"
              "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 {#1206
          #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" => 1000873
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1207
              #items: array:1 [
                0 => App\Models\Term {#1071 …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 {#1208
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1209
              #items: array:1 [
                0 => App\Models\Branch {#1109 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1210
              #items: array:3 [
                0 => App\Models\Branch {#1109 …30}
                1 => App\Models\Branch {#1114 …30}
                2 => App\Models\Branch {#1118 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1211
              #items: array:3 [
                0 => App\Models\Element {#1212 …30}
                1 => App\Models\Element {#1214 …30}
                2 => App\Models\Element {#1216 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1000874"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000872"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1218
              #items: array:1 [
                0 => App\Models\Book {#1028}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1000873
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1207}
            "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 {#1208}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1209}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1210}
            "content" => Illuminate\Database\Eloquent\Collection {#1211}
            "next" => array:2 [
              "refs" => "1000874"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000872"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1218}
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
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          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        4 => App\Models\Task {#1219
          #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" => 1000874
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1220
              #items: array:1 [
                0 => App\Models\Term {#1071 …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 {#1221
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1222
              #items: array:1 [
                0 => App\Models\Branch {#1109 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1223
              #items: array:3 [
                0 => App\Models\Branch {#1109 …30}
                1 => App\Models\Branch {#1114 …30}
                2 => App\Models\Branch {#1118 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1224
              #items: array:3 [
                0 => App\Models\Element {#1225 …30}
                1 => App\Models\Element {#1227 …30}
                2 => App\Models\Element {#1229 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1000875"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000873"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1231
              #items: array:1 [
                0 => App\Models\Book {#1028}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1000874
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1220}
            "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 {#1221}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1222}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1223}
            "content" => Illuminate\Database\Eloquent\Collection {#1224}
            "next" => array:2 [
              "refs" => "1000875"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000873"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1231}
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
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          #relations: []
          #touches: []
          +timestamps: true
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        5 => App\Models\Task {#1232
          #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" => 1000875
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-6"
            "field_display_title" => "6"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1233
              #items: array:1 [
                0 => App\Models\Term {#1071 …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 {#1234
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1235
              #items: array:1 [
                0 => App\Models\Branch {#1109 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1236
              #items: array:3 [
                0 => App\Models\Branch {#1109 …30}
                1 => App\Models\Branch {#1114 …30}
                2 => App\Models\Branch {#1118 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1237
              #items: array:3 [
                0 => App\Models\Element {#1238 …30}
                1 => App\Models\Element {#1240 …30}
                2 => App\Models\Element {#1242 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1000876"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000874"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1244
              #items: array:1 [
                0 => App\Models\Book {#1028}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1000875
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-6"
            "field_display_title" => "6"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1233}
            "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 {#1234}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1235}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1236}
            "content" => Illuminate\Database\Eloquent\Collection {#1237}
            "next" => array:2 [
              "refs" => "1000876"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000874"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1244}
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
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          #relations: []
          #touches: []
          +timestamps: true
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        6 => App\Models\Task {#1245
          #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" => 1000876
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1246
              #items: array:1 [
                0 => App\Models\Term {#1071 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1247
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1248
              #items: array:1 [
                0 => App\Models\Branch {#1109 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1249
              #items: array:3 [
                0 => App\Models\Branch {#1250 …30}
                1 => App\Models\Branch {#1284 …30}
                2 => App\Models\Branch {#1351 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1393
              #items: array:3 [
                0 => App\Models\Element {#1394 …30}
                1 => App\Models\Element {#1396 …30}
                2 => App\Models\Element {#1398 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1000877"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000875"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1400
              #items: array:1 [
                0 => App\Models\Book {#1028}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1000876
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1246}
            "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 {#1247}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1248}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1249}
            "content" => Illuminate\Database\Eloquent\Collection {#1393}
            "next" => array:2 [
              "refs" => "1000877"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000875"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1400}
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
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          #attributeCastCache: []
          #dateFormat: null
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          #relations: []
          #touches: []
          +timestamps: true
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        7 => App\Models\Task {#1401
          #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" => 1000877
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1402
              #items: array:1 [
                0 => App\Models\Term {#1071 …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 {#1403
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1404
              #items: array:1 [
                0 => App\Models\Branch {#1250 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1405
              #items: array:3 [
                0 => App\Models\Branch {#1250 …30}
                1 => App\Models\Branch {#1284 …30}
                2 => App\Models\Branch {#1351 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1406
              #items: array:3 [
                0 => App\Models\Element {#1407 …30}
                1 => App\Models\Element {#1409 …30}
                2 => App\Models\Element {#1411 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1000878"
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            ]
            "previous" => array:2 [
              "refs" => "1000876"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1413
              #items: array:1 [
                0 => App\Models\Book {#1028}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1000877
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1402}
            "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 {#1403}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1404}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1405}
            "content" => Illuminate\Database\Eloquent\Collection {#1406}
            "next" => array:2 [
              "refs" => "1000878"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000876"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1413}
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
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          #relations: []
          #touches: []
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        8 => App\Models\Task {#1414
          #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" => 1000878
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1415
              #items: array:1 [
                0 => App\Models\Term {#1071 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1416
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1417
              #items: array:1 [
                0 => App\Models\Branch {#1250 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1418
              #items: array:3 [
                0 => App\Models\Branch {#1250 …30}
                1 => App\Models\Branch {#1284 …30}
                2 => App\Models\Branch {#1351 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1419
              #items: array:3 [
                0 => App\Models\Element {#1420 …30}
                1 => App\Models\Element {#1422 …30}
                2 => App\Models\Element {#1424 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1000879"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000877"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1426
              #items: array:1 [
                0 => App\Models\Book {#1028}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1000878
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1415}
            "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 {#1416}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1417}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1418}
            "content" => Illuminate\Database\Eloquent\Collection {#1419}
            "next" => array:2 [
              "refs" => "1000879"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000877"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1426}
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        9 => App\Models\Task {#1427
          #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" => 1000879
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1428
              #items: array:1 [
                0 => App\Models\Term {#1071 …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 {#1429
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1430
              #items: array:1 [
                0 => App\Models\Branch {#1250 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1431
              #items: array:3 [
                0 => App\Models\Branch {#1250 …30}
                1 => App\Models\Branch {#1284 …30}
                2 => App\Models\Branch {#1351 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1432
              #items: array:3 [
                0 => App\Models\Element {#1433 …30}
                1 => App\Models\Element {#1435 …30}
                2 => App\Models\Element {#1437 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1000880"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000878"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1439
              #items: array:1 [
                0 => App\Models\Book {#1028}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1000879
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1428}
            "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 {#1429}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1430}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1431}
            "content" => Illuminate\Database\Eloquent\Collection {#1432}
            "next" => array:2 [
              "refs" => "1000880"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000878"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1439}
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        10 => App\Models\Task {#1440
          #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" => 1000880
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1441
              #items: array:1 [
                0 => App\Models\Term {#1071 …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 {#1442
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1443
              #items: array:1 [
                0 => App\Models\Branch {#1250 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1444
              #items: array:3 [
                0 => App\Models\Branch {#1445 …30}
                1 => App\Models\Branch {#1449 …30}
                2 => App\Models\Branch {#1453 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1457
              #items: array:3 [
                0 => App\Models\Element {#1458 …30}
                1 => App\Models\Element {#1460 …30}
                2 => App\Models\Element {#1462 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1000881"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000879"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1464
              #items: array:1 [
                0 => App\Models\Book {#1028}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1000880
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1441}
            "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 {#1442}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1443}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1444}
            "content" => Illuminate\Database\Eloquent\Collection {#1457}
            "next" => array:2 [
              "refs" => "1000881"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000879"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1464}
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        11 => App\Models\Task {#1465
          #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" => 1000881
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1466
              #items: array:1 [
                0 => App\Models\Term {#1071 …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 {#1467
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1468
              #items: array:1 [
                0 => App\Models\Branch {#1445 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1469
              #items: array:3 [
                0 => App\Models\Branch {#1445 …30}
                1 => App\Models\Branch {#1449 …30}
                2 => App\Models\Branch {#1453 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1470
              #items: array:3 [
                0 => App\Models\Element {#1471 …30}
                1 => App\Models\Element {#1473 …30}
                2 => App\Models\Element {#1475 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1000882"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000880"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1477
              #items: array:1 [
                0 => App\Models\Book {#1028}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1000881
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1466}
            "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 {#1467}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1468}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1469}
            "content" => Illuminate\Database\Eloquent\Collection {#1470}
            "next" => array:2 [
              "refs" => "1000882"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000880"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1477}
            "page" => array:2 [
              "refs" => "1001264"
              "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 => "*"
          ]
        }
        12 => App\Models\Task {#1478
          #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" => 1000882
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1479
              #items: array:1 [
                0 => App\Models\Term {#1071 …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 {#1480
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1481
              #items: array:1 [
                0 => App\Models\Branch {#1445 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1482
              #items: array:3 [
                0 => App\Models\Branch {#1445 …30}
                1 => App\Models\Branch {#1449 …30}
                2 => App\Models\Branch {#1453 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1483
              #items: array:3 [
                0 => App\Models\Element {#1484 …30}
                1 => App\Models\Element {#1486 …30}
                2 => App\Models\Element {#1488 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1000883"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000881"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1490
              #items: array:1 [
                0 => App\Models\Book {#1028}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1000882
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1479}
            "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 {#1480}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1481}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1482}
            "content" => Illuminate\Database\Eloquent\Collection {#1483}
            "next" => array:2 [
              "refs" => "1000883"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000881"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1490}
            "page" => array:2 [
              "refs" => "1001264"
              "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 => "*"
          ]
        }
        13 => App\Models\Task {#1491
          #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" => 1000883
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1492
              #items: array:1 [
                0 => App\Models\Term {#1071 …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 {#1493
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1494
              #items: array:1 [
                0 => App\Models\Branch {#1445 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1495
              #items: array:3 [
                0 => App\Models\Branch {#1445 …30}
                1 => App\Models\Branch {#1449 …30}
                2 => App\Models\Branch {#1453 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1496
              #items: array:3 [
                0 => App\Models\Element {#1497 …30}
                1 => App\Models\Element {#1499 …30}
                2 => App\Models\Element {#1501 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1000884"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000882"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1503
              #items: array:1 [
                0 => App\Models\Book {#1028}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1000883
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "167"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1492}
            "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 {#1493}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1494}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1495}
            "content" => Illuminate\Database\Eloquent\Collection {#1496}
            "next" => array:2 [
              "refs" => "1000884"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1000882"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1503}
            "page" => array:2 [
              "refs" => "1001264"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
  ]
  #original: array:21 [
    "id" => 1001264
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "167"
    "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/page-167"
    "field_display_title" => "167"
    "field_folder" => "1"
    "field_image_name" => "167"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#333}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1031}
    "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 {#1058}
    "content" => Illuminate\Database\Eloquent\Collection {#1059}
    "next" => array:2 [
      "refs" => "1001265"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1001263"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1068}
  ]
  #changes: []
  #casts: []
  #classCastCache: []
  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Физика, 8 класс Учебник, авторы: Пёрышкин И М, Иванов Александр Иванович, издательство Просвещение, Москва, 2021 - 2022, белого цвета, страница 167
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