Страница 25 - гдз по физике 9 класс задачник Артеменков, Ломаченков

Физика, 9 класс Задачник, авторы: Артеменков Денис Александрович, Ломаченков Иван Алексеевич, Панебратцев Юрий Анатольевич, издательство Просвещение, Москва, 2011

Авторы: Артеменков Д. А., Ломаченков И. А., Панебратцев Ю. А.

Тип: Задачник

Серия: сферы

Издательство: Просвещение

Год издания: 2011 - 2026

Цвет обложки: синий

ISBN: 978-5-09-038216-8

Cтраница 25

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" => 1424375
    "created_at" => "2026-04-08 17:28:58"
    "updated_at" => null
    "field_page_start" => "25"
    "field_url" => "/9-klass/fizika/artemenkov-zadachnik/page-25"
    "field_display_title" => "25"
    "field_folder" => "1"
    "field_image_name" => "25"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008
      #items: []
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1040
      #items: array:1 [
        0 => App\Models\Book {#1006
          #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" => 2549
            "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 {#1009
              #items: array:1 [
                0 => App\Models\Term {#1007
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
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                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:10 [ …10]
                  #original: array:10 [ …10]
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_class" => Illuminate\Database\Eloquent\Collection {#1010
              #items: array:1 [
                0 => App\Models\Term {#1011
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1012
              #items: array:1 [
                0 => App\Models\Term {#1013
                  #connection: "mysql"
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_author" => Illuminate\Database\Eloquent\Collection {#1014
              #items: array:3 [
                0 => App\Models\Term {#1015
                  #connection: "mysql"
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                  #primaryKey: "id"
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                }
                1 => App\Models\Term {#1016
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
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                  #withCount: []
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                }
                2 => App\Models\Term {#1017
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
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                  #attributes: array:12 [ …12]
                  #original: array:12 [ …12]
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1018
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1019
              #items: array:1 [
                0 => App\Models\Term {#1020
                  #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 [ …10]
                  #original: array:10 [ …10]
                  #changes: []
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                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_country" => Illuminate\Database\Eloquent\Collection {#1021
              #items: array:1 [
                0 => App\Models\Term {#1022
                  #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 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
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                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_city" => Illuminate\Database\Eloquent\Collection {#1023
              #items: array:1 [
                0 => App\Models\Term {#1024
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #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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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_series" => Illuminate\Database\Eloquent\Collection {#1025
              #items: array:1 [
                0 => App\Models\Term {#1026
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
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                  #attributes: array:8 [ …8]
                  #original: array:8 [ …8]
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                  #hidden: []
                  #visible: []
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1027
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1028
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1029
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_publication_number" => "2"
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1030
              #items: array:1 [
                0 => App\Models\Term {#1031
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #with: []
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1032
              #items: array:1 [
                0 => App\Models\Term {#1017}
              ]
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition_degree" => null
            "field_cover_description" => null
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            "field_part" => ""
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            "field_allowed" => null
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            "field_link_to_source" => null
            "field_tasks_count" => "278"
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            "field_default_folder" => "/fizika_09/artemenkov-z/"
            "field_isbn" => "978-5-09-038216-8"
            "field_cover" => array:1 [
              0 => "/media/fizika_09/artemenkov-z/covers/cover1.webp"
            ]
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              0 => ""
            ]
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              0 => array:4 [
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                "height" => "2427"
              ]
            ]
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            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1033
              #items: []
              #escapeWhenCastingToString: false
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            "field_new_book" => Illuminate\Database\Eloquent\Collection {#1034
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_old_book" => Illuminate\Database\Eloquent\Collection {#1035
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik"
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              #items: array:1 [
                0 => App\Models\Term {#1037
                  #connection: "mysql"
                  #table: "terms"
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            ]
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            "field_subject" => Illuminate\Database\Eloquent\Collection {#1009}
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            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1019}
            "field_country" => Illuminate\Database\Eloquent\Collection {#1021}
            "field_city" => Illuminate\Database\Eloquent\Collection {#1023}
            "field_series" => Illuminate\Database\Eloquent\Collection {#1025}
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1027}
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            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1029}
            "field_publication_number" => "2"
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1030}
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1032}
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          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "next" => Illuminate\Database\Eloquent\Collection {#7284
      #items: array:1 [
        0 => App\Models\BookPage {#7282
          #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" => 1424376
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "26"
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/page-26"
            "field_display_title" => "26"
            "field_folder" => "1"
            "field_image_name" => "26"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#7285
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#7286
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#7287
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#7297
              #items: array:1 [
                0 => App\Models\Element {#7296
                  #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" => "1424377"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#7289
              #items: []
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 1424376
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "26"
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/page-26"
            "field_display_title" => "26"
            "field_folder" => "1"
            "field_image_name" => "26"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#7285}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#7286}
            "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 {#7287}
            "content" => Illuminate\Database\Eloquent\Collection {#7297}
            "next" => array:2 [
              "refs" => "1424377"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#7289}
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
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          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "previous" => Illuminate\Database\Eloquent\Collection {#6728
      #items: array:1 [
        0 => App\Models\BookPage {#6727
          #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" => 1424374
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "24"
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/page-24"
            "field_display_title" => "24"
            "field_folder" => "1"
            "field_image_name" => "24"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6729
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6730
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6731
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#6742
              #items: array:1 [
                0 => App\Models\Element {#6732
                  #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" => "1424375"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1424373"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#7281
              #items: array:6 [
                0 => App\Models\Task {#6740
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Task {#6831
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                2 => App\Models\Task {#6921
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                3 => App\Models\Task {#7011
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                4 => App\Models\Task {#7101
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                5 => App\Models\Task {#7191
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 1424374
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "24"
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/page-24"
            "field_display_title" => "24"
            "field_folder" => "1"
            "field_image_name" => "24"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6729}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6730}
            "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 {#6731}
            "content" => Illuminate\Database\Eloquent\Collection {#6742}
            "next" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1424373"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#7281}
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
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          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "tasks" => Illuminate\Database\Eloquent\Collection {#1944
      #items: array:12 [
        0 => App\Models\Task {#1041
          #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" => 1424206
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-23"
            "field_display_title" => "4.23"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1039
              #items: array:1 [
                0 => App\Models\Term {#1042
                  #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 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1045
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1043
              #items: array:1 [
                0 => App\Models\Branch {#1046
                  #connection: "mysql"
                   …29
                }
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1090
              #items: array:1 [
                0 => App\Models\Branch {#1046 …29}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1091
              #items: array:2 [
                0 => App\Models\Element {#1092 …30}
                1 => App\Models\Element {#1100 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1424207"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424205"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1108
              #items: array:1 [
                0 => App\Models\Book {#1109 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1424206
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-23"
            "field_display_title" => "4.23"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1039}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1045}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1043}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1090}
            "content" => Illuminate\Database\Eloquent\Collection {#1091}
            "next" => array:2 [
              "refs" => "1424207"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424205"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1108}
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #dateFormat: null
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          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        1 => App\Models\Task {#1140
          #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" => 1424207
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
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            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-24"
            "field_display_title" => "4.24"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1141
              #items: array:1 [
                0 => App\Models\Term {#1142 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1143
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1144
              #items: array:1 [
                0 => App\Models\Branch {#1145 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1180
              #items: array:1 [
                0 => App\Models\Branch {#1145 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1181
              #items: array:2 [
                0 => App\Models\Element {#1182 …30}
                1 => App\Models\Element {#1190 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1424208"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424206"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1198
              #items: array:1 [
                0 => App\Models\Book {#1199 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1424207
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-24"
            "field_display_title" => "4.24"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1141}
            "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 {#1143}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1144}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1180}
            "content" => Illuminate\Database\Eloquent\Collection {#1181}
            "next" => array:2 [
              "refs" => "1424208"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424206"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1198}
            "page" => array:2 [
              "refs" => "1424375"
              "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 {#1230
          #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" => 1424208
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-25"
            "field_display_title" => "4.25"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1231
              #items: array:1 [
                0 => App\Models\Term {#1232 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1233
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1234
              #items: array:1 [
                0 => App\Models\Branch {#1235 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1270
              #items: array:1 [
                0 => App\Models\Branch {#1235 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1271
              #items: array:2 [
                0 => App\Models\Element {#1272 …30}
                1 => App\Models\Element {#1280 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1424209"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424207"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1288
              #items: array:1 [
                0 => App\Models\Book {#1289 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1424208
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-25"
            "field_display_title" => "4.25"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1231}
            "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 {#1233}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1234}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1270}
            "content" => Illuminate\Database\Eloquent\Collection {#1271}
            "next" => array:2 [
              "refs" => "1424209"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424207"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1288}
            "page" => array:2 [
              "refs" => "1424375"
              "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 {#1320
          #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" => 1424209
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-26"
            "field_display_title" => "4.26"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1321
              #items: array:1 [
                0 => App\Models\Term {#1322 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1323
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1324
              #items: array:1 [
                0 => App\Models\Branch {#1325 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1360
              #items: array:1 [
                0 => App\Models\Branch {#1325 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1361
              #items: array:2 [
                0 => App\Models\Element {#1362 …30}
                1 => App\Models\Element {#1370 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1424210"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424208"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1378
              #items: array:1 [
                0 => App\Models\Book {#1379 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1424209
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-26"
            "field_display_title" => "4.26"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1321}
            "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 {#1323}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1324}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1360}
            "content" => Illuminate\Database\Eloquent\Collection {#1361}
            "next" => array:2 [
              "refs" => "1424210"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424208"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1378}
            "page" => array:2 [
              "refs" => "1424375"
              "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 {#1410
          #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" => 1424210
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-27"
            "field_display_title" => "4.27"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1411
              #items: array:1 [
                0 => App\Models\Term {#1412 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1413
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1414
              #items: array:1 [
                0 => App\Models\Branch {#1415 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1450
              #items: array:1 [
                0 => App\Models\Branch {#1415 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1451
              #items: array:2 [
                0 => App\Models\Element {#1452 …30}
                1 => App\Models\Element {#1460 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1424211"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424209"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1468
              #items: array:1 [
                0 => App\Models\Book {#1469 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1424210
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-27"
            "field_display_title" => "4.27"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1411}
            "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 {#1413}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1414}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1450}
            "content" => Illuminate\Database\Eloquent\Collection {#1451}
            "next" => array:2 [
              "refs" => "1424211"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424209"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1468}
            "page" => array:2 [
              "refs" => "1424375"
              "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 {#1500
          #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" => 1424211
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-28"
            "field_display_title" => "4.28"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1501
              #items: array:1 [
                0 => App\Models\Term {#1502 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1503
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1504
              #items: array:1 [
                0 => App\Models\Branch {#1505 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1540
              #items: array:1 [
                0 => App\Models\Branch {#1505 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1541
              #items: array:2 [
                0 => App\Models\Element {#1542 …30}
                1 => App\Models\Element {#1550 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1424212"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424210"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1558
              #items: array:1 [
                0 => App\Models\Book {#1559 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1424211
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-28"
            "field_display_title" => "4.28"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1501}
            "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 {#1503}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1504}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1540}
            "content" => Illuminate\Database\Eloquent\Collection {#1541}
            "next" => array:2 [
              "refs" => "1424212"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424210"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1558}
            "page" => array:2 [
              "refs" => "1424375"
              "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 {#1590
          #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" => 1424212
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-29"
            "field_display_title" => "4.29"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1591
              #items: array:1 [
                0 => App\Models\Term {#1592 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1593
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1594
              #items: array:1 [
                0 => App\Models\Branch {#1595 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1630
              #items: array:1 [
                0 => App\Models\Branch {#1595 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1631
              #items: array:2 [
                0 => App\Models\Element {#1632 …30}
                1 => App\Models\Element {#1640 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1424213"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424211"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1648
              #items: array:1 [
                0 => App\Models\Book {#1598 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1424212
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-29"
            "field_display_title" => "4.29"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1591}
            "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 {#1593}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1594}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1630}
            "content" => Illuminate\Database\Eloquent\Collection {#1631}
            "next" => array:2 [
              "refs" => "1424213"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424211"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1648}
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
          ]
          #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 => "*"
          ]
        }
        7 => App\Models\Task {#1649
          #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" => 1424213
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-30"
            "field_display_title" => "4.30"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1650
              #items: array:1 [
                0 => App\Models\Term {#1651 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1652
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1653
              #items: array:1 [
                0 => App\Models\Branch {#1654 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1689
              #items: array:1 [
                0 => App\Models\Branch {#1654 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1690
              #items: array:2 [
                0 => App\Models\Element {#1691 …30}
                1 => App\Models\Element {#1699 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1424214"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424212"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1707
              #items: array:1 [
                0 => App\Models\Book {#1657 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
          ]
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            "id" => 1424213
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
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            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-30"
            "field_display_title" => "4.30"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1650}
            "field_metatags_title" => null
            "field_metatags_description" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1652}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1653}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1689}
            "content" => Illuminate\Database\Eloquent\Collection {#1690}
            "next" => array:2 [
              "refs" => "1424214"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424212"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1707}
            "page" => array:2 [
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              "type" => "book_page"
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          ]
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          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
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          #relations: []
          #touches: []
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          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        8 => App\Models\Task {#1708
          #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" => 1424214
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-31"
            "field_display_title" => "4.31"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1709
              #items: array:1 [
                0 => App\Models\Term {#1710 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1711
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1712
              #items: array:1 [
                0 => App\Models\Branch {#1713 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1748
              #items: array:1 [
                0 => App\Models\Branch {#1713 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1749
              #items: array:2 [
                0 => App\Models\Element {#1750 …30}
                1 => App\Models\Element {#1758 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1424215"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424213"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1766
              #items: array:1 [
                0 => App\Models\Book {#1716 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1424214
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-31"
            "field_display_title" => "4.31"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1709}
            "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 {#1711}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1712}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1748}
            "content" => Illuminate\Database\Eloquent\Collection {#1749}
            "next" => array:2 [
              "refs" => "1424215"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424213"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1766}
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        9 => App\Models\Task {#1767
          #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" => 1424215
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-32"
            "field_display_title" => "4.32"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1768
              #items: array:1 [
                0 => App\Models\Term {#1769 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1770
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1771
              #items: array:1 [
                0 => App\Models\Branch {#1772 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1807
              #items: array:1 [
                0 => App\Models\Branch {#1772 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1808
              #items: array:2 [
                0 => App\Models\Element {#1809 …30}
                1 => App\Models\Element {#1817 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
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            "previous" => array:2 [
              "refs" => "1424214"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1825
              #items: array:1 [
                0 => App\Models\Book {#1775 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
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            "id" => 1424215
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            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-32"
            "field_display_title" => "4.32"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1768}
            "field_metatags_title" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1770}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1771}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1807}
            "content" => Illuminate\Database\Eloquent\Collection {#1808}
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            "book" => Illuminate\Database\Eloquent\Collection {#1825}
            "page" => array:2 [
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              "type" => "book_page"
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            0 => "*"
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        10 => App\Models\Task {#1826
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
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          #withCount: []
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          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1424216
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-33"
            "field_display_title" => "4.33"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1827
              #items: array:1 [
                0 => App\Models\Term {#1828 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1829
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1830
              #items: array:1 [
                0 => App\Models\Branch {#1831 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1866
              #items: array:1 [
                0 => App\Models\Branch {#1831 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1867
              #items: array:2 [
                0 => App\Models\Element {#1868 …30}
                1 => App\Models\Element {#1876 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1424217"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424215"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1884
              #items: array:1 [
                0 => App\Models\Book {#1834 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1424216
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-33"
            "field_display_title" => "4.33"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1827}
            "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 {#1829}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1830}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1866}
            "content" => Illuminate\Database\Eloquent\Collection {#1867}
            "next" => array:2 [
              "refs" => "1424217"
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              "refs" => "1424215"
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            "book" => Illuminate\Database\Eloquent\Collection {#1884}
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            0 => "*"
          ]
        }
        11 => App\Models\Task {#1885
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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          #perPage: 15
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          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1424217
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-34"
            "field_display_title" => "4.34"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1886
              #items: array:1 [
                0 => App\Models\Term {#1887 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1888
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1889
              #items: array:1 [
                0 => App\Models\Branch {#1890 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1925
              #items: array:1 [
                0 => App\Models\Branch {#1890 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1926
              #items: array:2 [
                0 => App\Models\Element {#1927 …30}
                1 => App\Models\Element {#1935 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
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            ]
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              "refs" => "1424216"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1943
              #items: array:1 [
                0 => App\Models\Book {#1893 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
          ]
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            "id" => 1424217
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            "updated_at" => null
            "field_page_start" => "25"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/artemenkov-zadachnik/4-34"
            "field_display_title" => "4.34"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1886}
            "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 {#1888}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1889}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1925}
            "content" => Illuminate\Database\Eloquent\Collection {#1926}
            "next" => array:2 [
              "refs" => "1424218"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1424216"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1943}
            "page" => array:2 [
              "refs" => "1424375"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
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          #touches: []
          +timestamps: true
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          #hidden: []
          #visible: []
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          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
  ]
  #original: array:21 [
    "id" => 1424375
    "created_at" => "2026-04-08 17:28:58"
    "updated_at" => null
    "field_page_start" => "25"
    "field_url" => "/9-klass/fizika/artemenkov-zadachnik/page-25"
    "field_display_title" => "25"
    "field_folder" => "1"
    "field_image_name" => "25"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1040}
    "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 {#1038}
    "content" => Illuminate\Database\Eloquent\Collection {#1049}
    "next" => array:2 [
      "refs" => "1424376"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1424374"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1944}
  ]
  #changes: []
  #casts: []
  #classCastCache: []
  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Физика, 9 класс Задачник, авторы: Артеменков Денис Александрович, Ломаченков Иван Алексеевич, Панебратцев Юрий Анатольевич, издательство Просвещение, Москва, 2011, страница 25
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