Страница 75 - гдз по физике 8 класс учебник Хижнякова, Синявина

Физика, 8 класс Учебник, авторы: Хижнякова Людмила Степановна, Синявина Анна Афанасьевна, издательство Вентана-граф, Москва, 2011, серого цвета

Авторы: Хижнякова Л. С., Синявина А. А.

Тип: Учебник

Серия: алгоритм успеха

Издательство: Вентана-граф

Год издания: 2011 - 2026

Цвет обложки: серый

ISBN: 978-5-360-09134-9

Cтраница 75

App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php
  #connection: "mysql"
  #table: "book_pages"
  #primaryKey: "id"
  #keyType: "int"
  +incrementing: true
  #with: []
  #withCount: []
  +preventsLazyLoading: false
  #perPage: 15
  +exists: true
  +wasRecentlyCreated: false
  #escapeWhenCastingToString: false
  #attributes: array:21 [
    "id" => 1499109
    "created_at" => "2026-04-08 17:28:58"
    "updated_at" => null
    "field_page_start" => "75"
    "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/page-75"
    "field_display_title" => "75"
    "field_folder" => "1"
    "field_image_name" => "75"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008
      #items: []
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1016
      #items: array:1 [
        0 => App\Models\Book {#1015
          #connection: "mysql"
          #table: "books"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: false
          #with: []
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          #attributes: array:50 [
            "id" => 2040
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_tree_default_status" => "tasks"
            "field_pages_status" => null
            "field_subject" => Illuminate\Database\Eloquent\Collection {#1020
              #items: array:1 [
                0 => App\Models\Term {#1017
                  #connection: "mysql"
                  #table: "terms"
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                  #attributes: array:10 [ …10]
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_class" => Illuminate\Database\Eloquent\Collection {#1022
              #items: array:1 [
                0 => App\Models\Term {#1019
                  #connection: "mysql"
                  #table: "terms"
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1024
              #items: array:1 [
                0 => App\Models\Term {#1021
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
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                }
              ]
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            }
            "field_author" => Illuminate\Database\Eloquent\Collection {#1018
              #items: array:2 [
                0 => App\Models\Term {#1034
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
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                }
                1 => App\Models\Term {#1033
                  #connection: "mysql"
                  #table: "terms"
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                  #keyType: "int"
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1030
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1028
              #items: array:1 [
                0 => App\Models\Term {#1025
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_country" => Illuminate\Database\Eloquent\Collection {#1029
              #items: array:1 [
                0 => App\Models\Term {#1032
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
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                  #original: array:6 [ …6]
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                  +timestamps: true
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_city" => Illuminate\Database\Eloquent\Collection {#1035
              #items: array:1 [
                0 => App\Models\Term {#1026
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
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                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
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                  #hidden: []
                  #visible: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_series" => Illuminate\Database\Eloquent\Collection {#1037
              #items: array:1 [
                0 => App\Models\Term {#1027
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1036
              #items: []
              #escapeWhenCastingToString: false
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            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1023
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1038
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_publication_number" => null
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1039
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1040
              #items: []
              #escapeWhenCastingToString: false
            }
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            "field_cover_description" => null
            "field_publication_year" => "2011"
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            "field_part" => ""
            "field_part_writing" => ""
            "field_second_foreign_language" => null
            "field_for_whom" => "Учебник для учащихся общеобразовательных организаций"
            "field_allowed" => null
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            "field_tasks_count" => "563"
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            "field_default_folder" => "/fizika_08/hizhnyakova-u/"
            "field_isbn" => "978-5-360-09134-9"
            "field_cover" => array:1 [
              0 => "/media/fizika_08/hizhnyakova-u/covers/cover1.webp"
            ]
            "field_cover_alts" => array:1 [
              0 => ""
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              0 => array:4 [
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                "width" => "1881"
                "height" => "2550"
              ]
            ]
            "field_popular_book" => "0"
            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1041
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_new_book" => Illuminate\Database\Eloquent\Collection {#1042
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_old_book" => Illuminate\Database\Eloquent\Collection {#1043
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik"
            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1047
              #items: array:1 [
                0 => App\Models\Term {#1044
                  #connection: "mysql"
                  #table: "terms"
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            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1030}
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1028}
            "field_country" => Illuminate\Database\Eloquent\Collection {#1029}
            "field_city" => Illuminate\Database\Eloquent\Collection {#1035}
            "field_series" => Illuminate\Database\Eloquent\Collection {#1037}
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1036}
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1023}
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1038}
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            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1040}
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            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik"
            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1047}
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            "id" => 1499110
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            "field_display_title" => "76"
            "field_folder" => "1"
            "field_image_name" => "76"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6012
              #items: []
              #escapeWhenCastingToString: false
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6010
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            "content" => Illuminate\Database\Eloquent\Collection {#6044
              #items: array:1 [
                0 => App\Models\Element {#6046
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            "tasks" => Illuminate\Database\Eloquent\Collection {#6056
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            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6012}
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            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6011}
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    "previous" => Illuminate\Database\Eloquent\Collection {#6002
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        0 => App\Models\BookPage {#6001
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            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6004
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            "content" => Illuminate\Database\Eloquent\Collection {#6015
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                0 => App\Models\Element {#6014
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            "tasks" => Illuminate\Database\Eloquent\Collection {#6019
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                0 => App\Models\Task {#6018
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            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6003}
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            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6004}
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            "tasks" => Illuminate\Database\Eloquent\Collection {#6019}
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      ]
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    "tasks" => Illuminate\Database\Eloquent\Collection {#1012
      #items: array:8 [
        0 => App\Models\Task {#1066
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
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            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1070
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                0 => App\Models\Term {#1067
                  #connection: "mysql"
                  #table: "terms"
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                  #keyType: "int"
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                }
              ]
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              #items: []
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            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1079
              #items: array:1 [
                0 => App\Models\Branch {#1078
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1112
              #items: array:3 [
                0 => App\Models\Branch {#1122
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
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                  +exists: true
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                  +timestamps: true
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                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Branch {#1126
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
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                  +preventsLazyLoading: false
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                  #original: array:23 [ …23]
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                  +timestamps: true
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                  #hidden: []
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                  #guarded: array:1 [ …1]
                }
                2 => App\Models\Branch {#1131
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:23 [ …23]
                  #original: array:23 [ …23]
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                  +timestamps: true
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                  #hidden: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1071
              #items: array:2 [
                0 => App\Models\Element {#1104
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
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                  +preventsLazyLoading: false
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                  #attributes: array:7 [ …7]
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
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                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1102
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
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                  #attributeCastCache: []
                  #dateFormat: null
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                  +timestamps: true
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                  #hidden: []
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                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1498674"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498672"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1107
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1499109"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1498673
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
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            "field_page_end" => null
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/21vopr-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
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            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1069}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1079}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1112}
            "content" => Illuminate\Database\Eloquent\Collection {#1071}
            "next" => array:2 [
              "refs" => "1498674"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498672"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1107}
            "page" => array:2 [
              "refs" => "1499109"
              "type" => "book_page"
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          #guarded: array:1 [
            0 => "*"
          ]
        }
        1 => App\Models\Task {#1110
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
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          #attributes: array:24 [
            "id" => 1498674
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "75"
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            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/21vopr-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1119
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                0 => App\Models\Term {#1067}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1105
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              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1108
              #items: array:1 [
                0 => App\Models\Branch {#1122}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1075
              #items: array:3 [
                0 => App\Models\Branch {#1122}
                1 => App\Models\Branch {#1126}
                2 => App\Models\Branch {#1131}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1073
              #items: array:2 [
                0 => App\Models\Element {#1087
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
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                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
                  #original: array:7 [ …7]
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1085
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
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                  #attributeCastCache: []
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                  +timestamps: true
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                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1498675"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498673"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1090
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1499109"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1498674
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            "updated_at" => null
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            "field_page_end" => null
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/21vopr-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1119}
            "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 {#1105}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1108}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1075}
            "content" => Illuminate\Database\Eloquent\Collection {#1073}
            "next" => array:2 [
              "refs" => "1498675"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498673"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1090}
            "page" => array:2 [
              "refs" => "1499109"
              "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 {#1094
          #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" => 1498675
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "75"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/21vopr-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1109
              #items: array:1 [
                0 => App\Models\Term {#1067}
              ]
              #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 {#1086
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1091
              #items: array:1 [
                0 => App\Models\Branch {#1122}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1095
              #items: array:3 [
                0 => App\Models\Branch {#1122}
                1 => App\Models\Branch {#1126}
                2 => App\Models\Branch {#1131}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1093
              #items: array:2 [
                0 => App\Models\Element {#1114
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
                  #original: array:7 [ …7]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1115
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array: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" => "1498676"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498674"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1118
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1499109"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1498675
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "75"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/21vopr-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1109}
            "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 {#1086}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1091}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1095}
            "content" => Illuminate\Database\Eloquent\Collection {#1093}
            "next" => array:2 [
              "refs" => "1498676"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498674"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1118}
            "page" => array:2 [
              "refs" => "1499109"
              "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 {#1074
          #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" => 1498676
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "75"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/21vopr-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1088
              #items: array:1 [
                0 => App\Models\Term {#1067}
              ]
              #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 {#1116
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1113
              #items: array:1 [
                0 => App\Models\Branch {#1122}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1068
              #items: array:3 [
                0 => App\Models\Branch {#1122}
                1 => App\Models\Branch {#1126}
                2 => App\Models\Branch {#1131}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1072
              #items: array:2 [
                0 => App\Models\Element {#1149
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
                  #original: array:7 [ …7]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1151
                  #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" => "1498677"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498675"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1146
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1499109"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1498676
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "75"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/21vopr-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1088}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1116}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1113}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1068}
            "content" => Illuminate\Database\Eloquent\Collection {#1072}
            "next" => array:2 [
              "refs" => "1498677"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498675"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1146}
            "page" => array:2 [
              "refs" => "1499109"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        4 => App\Models\Task {#1134
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1498677
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "75"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/21vopr-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1111
              #items: array:1 [
                0 => App\Models\Term {#1067}
              ]
              #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 {#1148
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1139
              #items: array:1 [
                0 => App\Models\Branch {#1122}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1138
              #items: array:3 [
                0 => App\Models\Branch {#1122}
                1 => App\Models\Branch {#1126}
                2 => App\Models\Branch {#1131}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1136
              #items: array:2 [
                0 => App\Models\Element {#1161
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
                  #original: array:7 [ …7]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1163
                  #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" => "1498678"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498676"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1158
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1499109"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1498677
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "75"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/21vopr-5"
            "field_display_title" => "5"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1111}
            "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 {#1148}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1139}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1138}
            "content" => Illuminate\Database\Eloquent\Collection {#1136}
            "next" => array:2 [
              "refs" => "1498678"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498676"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1158}
            "page" => array:2 [
              "refs" => "1499109"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        5 => App\Models\Task {#1153
          #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" => 1498678
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "75"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/21zad-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1137
              #items: array:1 [
                0 => App\Models\Term {#1067}
              ]
              #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 {#1160
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1156
              #items: array:1 [
                0 => App\Models\Branch {#1122}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1236
              #items: array:3 [
                0 => App\Models\Branch {#1246
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:23 [ …23]
                  #original: array:23 [ …23]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Branch {#1250
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:23 [ …23]
                  #original: array:23 [ …23]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                2 => App\Models\Branch {#1254
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:23 [ …23]
                  #original: array:23 [ …23]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1196
              #items: array:2 [
                0 => App\Models\Element {#1225
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
                  #original: array:7 [ …7]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1223
                  #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" => "1498679"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498677"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1227
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1499109"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1498678
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "75"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/21zad-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1137}
            "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 {#1160}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1156}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1236}
            "content" => Illuminate\Database\Eloquent\Collection {#1196}
            "next" => array:2 [
              "refs" => "1498679"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498677"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1227}
            "page" => array:2 [
              "refs" => "1499109"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        6 => App\Models\Task {#1229
          #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" => 1498679
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "75"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/21zad-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1243
              #items: array:1 [
                0 => App\Models\Term {#1067}
              ]
              #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 {#1226
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1233
              #items: array:1 [
                0 => App\Models\Branch {#1246}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1230
              #items: array:3 [
                0 => App\Models\Branch {#1246}
                1 => App\Models\Branch {#1250}
                2 => App\Models\Branch {#1254}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1234
              #items: array:2 [
                0 => App\Models\Element {#1214
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
                  #original: array:7 [ …7]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1212
                  #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" => "1498680"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498678"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1215
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1499109"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1498679
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "75"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/21zad-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1243}
            "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 {#1226}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1233}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1230}
            "content" => Illuminate\Database\Eloquent\Collection {#1234}
            "next" => array:2 [
              "refs" => "1498680"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498678"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1215}
            "page" => array:2 [
              "refs" => "1499109"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        7 => App\Models\Task {#1221
          #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" => 1498680
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "75"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/21zad-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1200
              #items: array:1 [
                0 => App\Models\Term {#1067}
              ]
              #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 {#1213
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1217
              #items: array:1 [
                0 => App\Models\Branch {#1246}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1220
              #items: array:3 [
                0 => App\Models\Branch {#1246}
                1 => App\Models\Branch {#1250}
                2 => App\Models\Branch {#1254}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1219
              #items: array:2 [
                0 => App\Models\Element {#1202
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
                   …17
                }
                1 => App\Models\Element {#1232 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1498681"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498679"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1203
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1499109"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1498680
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "75"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/21zad-3"
            "field_display_title" => "3"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1200}
            "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 {#1213}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1217}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1220}
            "content" => Illuminate\Database\Eloquent\Collection {#1219}
            "next" => array:2 [
              "refs" => "1498681"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1498679"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1203}
            "page" => array:2 [
              "refs" => "1499109"
              "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" => 1499109
    "created_at" => "2026-04-08 17:28:58"
    "updated_at" => null
    "field_page_start" => "75"
    "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/page-75"
    "field_display_title" => "75"
    "field_folder" => "1"
    "field_image_name" => "75"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1016}
    "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 {#1007}
    "content" => Illuminate\Database\Eloquent\Collection {#1049}
    "next" => array:2 [
      "refs" => "1499110"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1499108"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1012}
  ]
  #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: Хижнякова Людмила Степановна, Синявина Анна Афанасьевна, издательство Вентана-граф, Москва, 2011, серого цвета, страница 75
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