Страница 129 - гдз по физике 8 класс учебник Кронгарт, Насохова

Физика, 8 класс Учебник, авторы: Кронгарт Борис Аркадьевич, Насохова Шолпан Бабиевна, издательство Мектеп, Алматы, 2018, обложка

Авторы: Кронгарт Б. А., Насохова Ш. Б.

Тип: Учебник

Издательство: Мектеп

Год издания: 2018 - 2026

Цвет обложки: синий

ISBN: 978-601-07-0971-3

Cтраница 129

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" => 2103924
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "129"
    "field_url" => "/8-klass/fizika/mektep-krongart-uchebnik/page-129"
    "field_display_title" => "129"
    "field_folder" => "1"
    "field_image_name" => "129"
    "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: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:50 [
            "id" => 9915
            "created_at" => "2026-04-10 13:58:26"
            "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"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:10 [
                    "id" => 6493
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Физика"
                    "field_abbreviated_name" => null
                    "field_cases" => array:6 [
                      "field_accusative_case" => "физику"
                      "field_creative_case" => "физикой"
                      "field_dative_case" => "физике"
                      "field_genitive_case" => "физики"
                      "field_nominative_case" => "физика"
                      "field_prepositional_case" => "физике"
                    ]
                    "field_foreign_lang_name" => null
                    "field_short_name" => null
                    "field_subject_type" => "technical_subject"
                    "field_translit" => "fizika"
                  ]
                  #original: array:10 [
                    "id" => 6493
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Физика"
                    "field_abbreviated_name" => null
                    "field_cases" => array:6 [
                      "field_accusative_case" => "физику"
                      "field_creative_case" => "физикой"
                      "field_dative_case" => "физике"
                      "field_genitive_case" => "физики"
                      "field_nominative_case" => "физика"
                      "field_prepositional_case" => "физике"
                    ]
                    "field_foreign_lang_name" => null
                    "field_short_name" => null
                    "field_subject_type" => "technical_subject"
                    "field_translit" => "fizika"
                  ]
                  #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
            }
            "field_class" => Illuminate\Database\Eloquent\Collection {#1022
              #items: array:1 [
                0 => App\Models\Term {#1019
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 5457
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "8"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "восьмой"
                      "field_creative_case" => "восьмым"
                      "field_dative_case" => "восьмому"
                      "field_genitive_case" => "восьмого"
                      "field_nominative_case" => "восьмой"
                      "field_prepositional_case" => "восьмом"
                    ]
                    "field_translit" => "vosmoj"
                  ]
                  #original: array:6 [
                    "id" => 5457
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "8"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "восьмой"
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                      "field_genitive_case" => "восьмого"
                      "field_nominative_case" => "восьмой"
                      "field_prepositional_case" => "восьмом"
                    ]
                    "field_translit" => "vosmoj"
                  ]
                  #changes: []
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                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #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
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 6996
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Мектеп"
                    "field_cases" => array:6 [
                      "field_accusative_case" => null
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                      "field_dative_case" => null
                      "field_genitive_case" => null
                      "field_nominative_case" => null
                      "field_prepositional_case" => null
                    ]
                    "field_translit" => "mektep"
                  ]
                  #original: array:6 [
                    "id" => 6996
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Мектеп"
                    "field_cases" => array:6 [
                      "field_accusative_case" => null
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                      "field_dative_case" => null
                      "field_genitive_case" => null
                      "field_nominative_case" => null
                      "field_prepositional_case" => null
                    ]
                    "field_translit" => "mektep"
                  ]
                  #changes: []
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                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_author" => Illuminate\Database\Eloquent\Collection {#1018
              #items: array:2 [
                0 => App\Models\Term {#1033
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:12 [
                    "id" => 7135
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Кронгарт"
                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Борис"
                    "field_patronymic" => "Аркадьевич"
                    "field_surname_rp" => null
                  ]
                  #original: array:12 [
                    "id" => 7135
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Кронгарт"
                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Борис"
                    "field_patronymic" => "Аркадьевич"
                    "field_surname_rp" => null
                  ]
                  #changes: []
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                  #dateFormat: null
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                    0 => "*"
                  ]
                }
                1 => App\Models\Term {#1034
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:12 [
                    "id" => 7150
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Насохова"
                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Шолпан"
                    "field_patronymic" => "Бабиевна"
                    "field_surname_rp" => null
                  ]
                  #original: array:12 [
                    "id" => 7150
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Насохова"
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                    "field_degree_rp" => null
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                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Шолпан"
                    "field_patronymic" => "Бабиевна"
                    "field_surname_rp" => null
                  ]
                  #changes: []
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #dispatchesEvents: []
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                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
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                    0 => "*"
                  ]
                }
              ]
              #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"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:10 [
                    "id" => 6671
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Учебник"
                    "field_book_type_foreign" => null
                    "field_cases" => array:6 [
                      "field_accusative_case" => "учебник"
                      "field_creative_case" => "учебником"
                      "field_dative_case" => "учебнику"
                      "field_genitive_case" => "учебника"
                      "field_nominative_case" => "учебник"
                      "field_prepositional_case" => "учебнике"
                    ]
                    "field_plural_form" => null
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                    "field_short_name_foreign" => null
                    "field_translit" => "uchebnik"
                  ]
                  #original: array:10 [
                    "id" => 6671
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                    ]
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                    "field_translit" => "uchebnik"
                  ]
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                  ]
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              ]
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            }
            "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
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                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 6994
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Казахстан"
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                    ]
                    "field_translit" => "kazakhstan"
                  ]
                  #original: array:6 [
                    "id" => 6994
                    "created_at" => "2026-04-10 13:58:26"
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                    "field_translit" => "kazakhstan"
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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"
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                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 6995
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Алматы"
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                    ]
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              ]
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            }
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1023
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1036
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1037
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_publication_number" => null
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1038
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              #escapeWhenCastingToString: false
            }
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1039
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              #escapeWhenCastingToString: false
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            "field_cover_description" => null
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            "field_part" => ""
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            "field_second_foreign_language" => null
            "field_for_whom" => "Учебник для 8 класса общеобразовательных школ"
            "field_allowed" => null
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            "field_link_to_source" => null
            "field_tasks_count" => "654"
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            "field_default_folder" => "/fizika_08/krongart-u/"
            "field_isbn" => "978-601-07-0971-3"
            "field_cover" => array:1 [
              0 => "/media/fizika_08/krongart-u/covers/cover1.webp?ts=1769098932"
            ]
            "field_cover_alts" => array:1 [
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            "field_covers" => array:1 [
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                "alt" => "обложка"
                "width" => "467"
                "height" => "600"
              ]
            ]
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              #items: []
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              #escapeWhenCastingToString: false
            }
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            }
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            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1046
              #items: array:1 [
                0 => App\Models\Term {#1043
                  #connection: "mysql"
                  #table: "terms"
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                  #attributes: array:6 [
                    "id" => 49
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "синий"
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                    "field_translit" => "siniy"
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                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5898
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                        0 => App\Models\Branch {#5897
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:24 [
                            "id" => 2103077
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Постоянный электрический ток"
                            "field_branch_order" => "5"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#5902 …2}
                            "field_page_start" => "105"
                            "field_branch_display" => "0"
                            "field_branch_expanded" => "0"
                            "field_display_branch_in_title" => "1"
                            "field_display_task_interval" => "0"
                            "field_display_branch_page" => "1"
                            "field_branch_title_in_content" => "0"
                            "field_navigation_title" => null
                            "field_metatags_title" => null
                            "field_metatags_description" => null
                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#5901 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#5900 …2}
                          ]
                          #original: array:24 [
                            "id" => 2103077
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Постоянный электрический ток"
                            "field_branch_order" => "5"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#5902 …2}
                            "field_page_start" => "105"
                            "field_branch_display" => "0"
                            "field_branch_expanded" => "0"
                            "field_display_branch_in_title" => "1"
                            "field_display_task_interval" => "0"
                            "field_display_branch_page" => "1"
                            "field_branch_title_in_content" => "0"
                            "field_navigation_title" => null
                            "field_metatags_title" => null
                            "field_metatags_description" => null
                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#5901 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#5900 …2}
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5930
                      #items: array:3 [
                        0 => App\Models\Branch {#5940
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:24 [
                            "id" => 2103077
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Постоянный электрический ток"
                            "field_branch_order" => "5"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#5941 …2}
                            "field_page_start" => "105"
                            "field_branch_display" => "0"
                            "field_branch_expanded" => "0"
                            "field_display_branch_in_title" => "1"
                            "field_display_task_interval" => "0"
                            "field_display_branch_page" => "1"
                            "field_branch_title_in_content" => "0"
                            "field_navigation_title" => null
                            "field_metatags_title" => null
                            "field_metatags_description" => null
                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#5942 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#5943 …2}
                          ]
                          #original: array:24 [
                            "id" => 2103077
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Постоянный электрический ток"
                            "field_branch_order" => "5"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#5941 …2}
                            "field_page_start" => "105"
                            "field_branch_display" => "0"
                            "field_branch_expanded" => "0"
                            "field_display_branch_in_title" => "1"
                            "field_display_task_interval" => "0"
                            "field_display_branch_page" => "1"
                            "field_branch_title_in_content" => "0"
                            "field_navigation_title" => null
                            "field_metatags_title" => null
                            "field_metatags_description" => null
                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#5942 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#5943 …2}
                          ]
                          #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\Branch {#5944
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:24 [
                            "id" => 2103087
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Последовательное и параллельное соединение проводников"
                            "field_branch_order" => "26"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#5948 …2}
                            "field_page_start" => "122"
                            "field_branch_display" => "0"
                            "field_branch_expanded" => "0"
                            "field_display_branch_in_title" => "1"
                            "field_display_task_interval" => "0"
                            "field_display_branch_page" => "1"
                            "field_branch_title_in_content" => "0"
                            "field_navigation_title" => null
                            "field_metatags_title" => null
                            "field_metatags_description" => null
                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#5947 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#5946 …2}
                          ]
                          #original: array:24 [
                            "id" => 2103087
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Последовательное и параллельное соединение проводников"
                            "field_branch_order" => "26"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#5948 …2}
                            "field_page_start" => "122"
                            "field_branch_display" => "0"
                            "field_branch_expanded" => "0"
                            "field_display_branch_in_title" => "1"
                            "field_display_task_interval" => "0"
                            "field_display_branch_page" => "1"
                            "field_branch_title_in_content" => "0"
                            "field_navigation_title" => null
                            "field_metatags_title" => null
                            "field_metatags_description" => null
                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#5947 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#5946 …2}
                          ]
                          #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\Branch {#5949
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:24 [
                            "id" => 2103089
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Упражнение 17"
                            "field_branch_order" => null
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#5950 …2}
                            "field_page_start" => "128"
                            "field_branch_display" => "0"
                            "field_branch_expanded" => "0"
                            "field_display_branch_in_title" => "1"
                            "field_display_task_interval" => "0"
                            "field_display_branch_page" => "1"
                            "field_branch_title_in_content" => "0"
                            "field_navigation_title" => null
                            "field_metatags_title" => null
                            "field_metatags_description" => null
                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#5951 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#5960 …2}
                          ]
                          #original: array:24 [
                            "id" => 2103089
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Упражнение 17"
                            "field_branch_order" => null
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#5950 …2}
                            "field_page_start" => "128"
                            "field_branch_display" => "0"
                            "field_branch_expanded" => "0"
                            "field_display_branch_in_title" => "1"
                            "field_display_task_interval" => "0"
                            "field_display_branch_page" => "1"
                            "field_branch_title_in_content" => "0"
                            "field_navigation_title" => null
                            "field_metatags_title" => null
                            "field_metatags_description" => null
                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#5951 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#5960 …2}
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#5923
                      #items: array:1 [
                        0 => App\Models\Element {#5924
                          #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 [
                            "id" => 1996292
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "edition" => Illuminate\Database\Eloquent\Collection {#5922 …2}
                            "task" => array:2 [ …2]
                            "img" => array:1 [ …1]
                          ]
                          #original: array:6 [
                            "id" => 1996292
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "edition" => Illuminate\Database\Eloquent\Collection {#5922 …2}
                            "task" => array:2 [ …2]
                            "img" => array:1 [ …1]
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
                      "refs" => "2103541"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "2103539"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#5890
                      #items: array:1 [
                        0 => App\Models\Book {#1015}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "2103923"
                      "type" => "book_page"
                    ]
                  ]
                  #original: array:24 [
                    "id" => 2103540
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "128"
                    "field_page_end" => null
                    "field_url" => "/8-klass/fizika/mektep-krongart-uchebnik/26upr17-1"
                    "field_display_title" => "1"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5889}
                    "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 {#5888}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5898}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5930}
                    "content" => Illuminate\Database\Eloquent\Collection {#5923}
                    "next" => array:2 [
                      "refs" => "2103541"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "2103539"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#5890}
                    "page" => array:2 [
                      "refs" => "2103923"
                      "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 {#5928
                  #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" => 2103541
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "128"
                    "field_page_end" => null
                    "field_url" => "/8-klass/fizika/mektep-krongart-uchebnik/26upr17-2"
                    "field_display_title" => "2"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5937
                      #items: array:1 [
                        0 => App\Models\Term {#5886}
                      ]
                      #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 {#5926
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5894
                      #items: array:1 [
                        0 => App\Models\Branch {#5940}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5927
                      #items: array:3 [
                        0 => App\Models\Branch {#5940}
                        1 => App\Models\Branch {#5944}
                        2 => App\Models\Branch {#5949}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#5914
                      #items: array:1 [
                        0 => App\Models\Element {#5913
                          #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 [
                            "id" => 1996293
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "edition" => Illuminate\Database\Eloquent\Collection {#5911 …2}
                            "task" => array:2 [ …2]
                            "img" => array:1 [ …1]
                          ]
                          #original: array:6 [
                            "id" => 1996293
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "edition" => Illuminate\Database\Eloquent\Collection {#5911 …2}
                            "task" => array:2 [ …2]
                            "img" => array:1 [ …1]
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
                      "refs" => "2103542"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "2103540"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#5921
                      #items: array:1 [
                        0 => App\Models\Book {#1015}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "2103923"
                      "type" => "book_page"
                    ]
                  ]
                  #original: array:24 [
                    "id" => 2103541
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "128"
                    "field_page_end" => null
                    "field_url" => "/8-klass/fizika/mektep-krongart-uchebnik/26upr17-2"
                    "field_display_title" => "2"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5937}
                    "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 {#5926}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5894}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5927}
                    "content" => Illuminate\Database\Eloquent\Collection {#5914}
                    "next" => array:2 [
                      "refs" => "2103542"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "2103540"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#5921}
                    "page" => array:2 [
                      "refs" => "2103923"
                      "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 {#5920
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
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                    "id" => 2103542
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5892
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                        0 => App\Models\Term {#5886}
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                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5919
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                        0 => App\Models\Branch {#5940}
                      ]
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                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5915
                      #items: array:3 [
                        0 => App\Models\Branch {#5940}
                        1 => App\Models\Branch {#5944}
                        2 => App\Models\Branch {#5949}
                      ]
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                    "content" => Illuminate\Database\Eloquent\Collection {#5904
                      #items: array:1 [
                        0 => App\Models\Element {#5903
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
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                          #attributes: array:6 [
                            "id" => 1996294
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "edition" => Illuminate\Database\Eloquent\Collection {#5895 …2}
                            "task" => array:2 [ …2]
                            "img" => array:2 [ …2]
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                            "id" => 1996294
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "edition" => Illuminate\Database\Eloquent\Collection {#5895 …2}
                            "task" => array:2 [ …2]
                            "img" => array:2 [ …2]
                          ]
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                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
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                          #observables: []
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                          #touches: []
                          +timestamps: true
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                          #visible: []
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                            0 => "*"
                          ]
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                    "previous" => array:2 [
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                    "book" => Illuminate\Database\Eloquent\Collection {#5912
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                        0 => App\Models\Book {#1015}
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                    "page" => array:2 [
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                    "field_page_end" => null
                    "field_url" => "/8-klass/fizika/mektep-krongart-uchebnik/26upr17-3"
                    "field_display_title" => "3"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5892}
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#5917}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5919}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5915}
                    "content" => Illuminate\Database\Eloquent\Collection {#5904}
                    "next" => array:2 [
                      "refs" => "2103543"
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                    "previous" => array:2 [
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                      "type" => "task"
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                    "book" => Illuminate\Database\Eloquent\Collection {#5912}
                    "page" => array:2 [
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                      "type" => "book_page"
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                  #attributeCastCache: []
                  #dateFormat: null
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                3 => App\Models\Task {#5910
                  #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" => 2103543
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "128"
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                    "field_url" => "/8-klass/fizika/mektep-krongart-uchebnik/26upr17-4"
                    "field_display_title" => "4"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5918
                      #items: array:1 [
                        0 => App\Models\Term {#5886}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#5908
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5907
                      #items: array:1 [
                        0 => App\Models\Branch {#5940}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5905
                      #items: array:3 [
                        0 => App\Models\Branch {#5940}
                        1 => App\Models\Branch {#5944}
                        2 => App\Models\Branch {#5949}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#5932
                      #items: array:1 [
                        0 => App\Models\Element {#5934
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
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                          #attributes: array:6 [
                            "id" => 1996295
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "edition" => Illuminate\Database\Eloquent\Collection {#5935 …2}
                            "task" => array:2 [ …2]
                            "img" => array:1 [ …1]
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                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "edition" => Illuminate\Database\Eloquent\Collection {#5935 …2}
                            "task" => array:2 [ …2]
                            "img" => array:1 [ …1]
                          ]
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                          #dateFormat: null
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                          #touches: []
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                    "book" => Illuminate\Database\Eloquent\Collection {#5893
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                        0 => App\Models\Book {#1015}
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                    "field_display_title" => "4"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5918}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5905}
                    "content" => Illuminate\Database\Eloquent\Collection {#5932}
                    "next" => array:2 [
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                    "previous" => array:2 [
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                    0 => "*"
                  ]
                }
                4 => App\Models\Task {#5887
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
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                    "created_at" => "2026-04-10 13:58:26"
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                    "field_display_title" => "5"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5909
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                      #items: []
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                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5891
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                        0 => App\Models\Branch {#5940}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5936
                      #items: array:3 [
                        0 => App\Models\Branch {#5940}
                        1 => App\Models\Branch {#5944}
                        2 => App\Models\Branch {#5949}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#5965
                      #items: array:1 [
                        0 => App\Models\Element {#5964
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
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                          #attributes: array:6 [
                            "id" => 1996296
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "edition" => Illuminate\Database\Eloquent\Collection {#5966 …2}
                            "task" => array:2 [ …2]
                            "img" => array:1 [ …1]
                          ]
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                            "id" => 1996296
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "edition" => Illuminate\Database\Eloquent\Collection {#5966 …2}
                            "task" => array:2 [ …2]
                            "img" => array:1 [ …1]
                          ]
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                          #dateFormat: null
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                          #touches: []
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                    "book" => Illuminate\Database\Eloquent\Collection {#5933
                      #items: array:1 [
                        0 => App\Models\Book {#1015}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
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                    "field_display_title" => "5"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5909}
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                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#5929}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5936}
                    "content" => Illuminate\Database\Eloquent\Collection {#5965}
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                    "book" => Illuminate\Database\Eloquent\Collection {#5933}
                    "page" => array:2 [
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                      "type" => "book_page"
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                    0 => "*"
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                }
                5 => App\Models\Task {#5953
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
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                    "created_at" => "2026-04-10 13:58:26"
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                    "field_url" => "/8-klass/fizika/mektep-krongart-uchebnik/osvoili-26"
                    "field_display_title" => "Что вы освоили по данной теме?"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5931
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                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
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                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5952
                      #items: array:1 [
                        0 => App\Models\Branch {#5940}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5957
                      #items: array:3 [
                        0 => App\Models\Branch {#5940}
                        1 => App\Models\Branch {#5944}
                        2 => App\Models\Branch {#5949}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#5975
                      #items: array:1 [
                        0 => App\Models\Element {#5974
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
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                          +exists: true
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                          #escapeWhenCastingToString: false
                          #attributes: array:6 [
                            "id" => 1996576
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "edition" => Illuminate\Database\Eloquent\Collection {#5976 …2}
                            "task" => array:2 [ …2]
                             …1
                          ]
                          #original: array:6 [ …6]
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                          #dateFormat: null
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                          #touches: []
                          +timestamps: true
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                          #visible: []
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                          #guarded: array:1 [ …1]
                        }
                      ]
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                    "book" => Illuminate\Database\Eloquent\Collection {#5967
                      #items: array:1 [
                        0 => App\Models\Book {#1015}
                      ]
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                    }
                    "page" => array:2 [
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                  ]
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                    "field_url" => "/8-klass/fizika/mektep-krongart-uchebnik/osvoili-26"
                    "field_display_title" => "Что вы освоили по данной теме?"
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5957}
                    "content" => Illuminate\Database\Eloquent\Collection {#5975}
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                    "book" => Illuminate\Database\Eloquent\Collection {#5967}
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                    0 => "*"
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              ]
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          #original: array:21 [
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            "field_page_start" => "128"
            "field_url" => "/8-klass/fizika/mektep-krongart-uchebnik/page-128"
            "field_display_title" => "128"
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            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5864}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5865}
            "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 {#5866}
            "content" => Illuminate\Database\Eloquent\Collection {#5876}
            "next" => array:2 [
              "refs" => "2103924"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "2103922"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#5869}
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #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 {#1006
      #items: []
      #escapeWhenCastingToString: false
    }
  ]
  #original: array:21 [
    "id" => 2103924
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "129"
    "field_url" => "/8-klass/fizika/mektep-krongart-uchebnik/page-129"
    "field_display_title" => "129"
    "field_folder" => "1"
    "field_image_name" => "129"
    "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 {#1048}
    "next" => array:2 [
      "refs" => "2103925"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "2103923"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1006}
  ]
  #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: Кронгарт Борис Аркадьевич, Насохова Шолпан Бабиевна, издательство Мектеп, Алматы, 2018, страница 129
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