Страница 36, часть 3 - гдз по физике 9 класс рабочая тетрадь часть 1, 2, 3 Грачев, Погожев

Авторы: Грачев А. В., Погожев В. А., Боков П. Ю., Вишнякова Е. А.

Тип: рабочая тетрадь

Издательство: Просвещение

Год издания: 2021 - 2026

Часть: 3

Цвет обложки: синий

ISBN: 978-5-09-098826-1 (ч.1) 978-5-09-098880-3 (ч.2) 978-5-09-098881-0 (ч.3)

Часть 3. Cтраница 36

App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php
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    "field_image_name" => "36"
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                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Павел"
                    "field_patronymic" => "Юрьевич"
                    "field_surname_rp" => null
                  ]
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                  #classCastCache: []
                  #attributeCastCache: []
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                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                3 => App\Models\Term {#1055
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
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                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:12 [
                    "id" => 4007
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Вишнякова"
                    "field_bio" => null
                    "field_degree_rp" => null
                     …6
                  ]
                  #original: array:12 [ …12]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #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 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1056
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1057
              #items: array:1 [
                0 => App\Models\Term {#1058
                  #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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                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_country" => Illuminate\Database\Eloquent\Collection {#1059
              #items: array:1 [
                0 => App\Models\Term {#1060
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
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                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
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                  #attributeCastCache: []
                  #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 {#1061
              #items: array:1 [
                0 => App\Models\Term {#1062
                  #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]
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_series" => Illuminate\Database\Eloquent\Collection {#1063
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1064
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1065
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1066
              #items: array:1 [
                0 => App\Models\Term {#1067
                  #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: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_publication_number" => "6"
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1068
              #items: array:1 [
                0 => App\Models\Term {#1069
                  #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]
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
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                  #dispatchesEvents: []
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                  #relations: []
                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1070
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition_degree" => null
            "field_cover_description" => null
            "field_publication_year" => "2021"
            "field_publication_year_until" => null
            "field_part" => "1, 2, 3"
            "field_part_writing" => "Часть"
            "field_second_foreign_language" => null
            "field_for_whom" => "Учебное издание"
            "field_allowed" => null
            "field_reserve_field" => null
            "field_link_to_source" => null
            "field_tasks_count" => "594"
            "field_priority" => null
            "field_default_folder" => "/fizika_09/grachev-rt/"
            "field_isbn" => "978-5-09-098826-1 (ч.1) 978-5-09-098880-3 (ч.2) 978-5-09-098881-0 (ч.3)"
            "field_cover" => array:3 [
              0 => "/media/fizika_09/grachev-rt/covers/cover1.webp?ts=1759003248"
              1 => "/media/fizika_09/grachev-rt/covers/cover2.webp?ts=1759003248"
              2 => "/media/fizika_09/grachev-rt/covers/cover3.webp?ts=1759003248"
            ]
            "field_cover_alts" => array:3 [
              0 => ""
              1 => ""
              2 => ""
            ]
            "field_covers" => array:3 [
              0 => array:4 [
                "path" => "/media/fizika_09/grachev-rt/covers/cover1.webp?ts=1759003248"
                "alt" => ""
                "width" => "2293"
                "height" => "2989"
              ]
              1 => array:4 [
                "path" => "/media/fizika_09/grachev-rt/covers/cover2.webp?ts=1759003248"
                "alt" => ""
                "width" => "2265"
                "height" => "3003"
              ]
              2 => array:4 [
                "path" => "/media/fizika_09/grachev-rt/covers/cover3.webp?ts=1759003248"
                "alt" => ""
                "width" => "2241"
                "height" => "2999"
              ]
            ]
            "field_popular_book" => "0"
            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1071
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_new_book" => Illuminate\Database\Eloquent\Collection {#1072
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_old_book" => Illuminate\Database\Eloquent\Collection {#1073
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_url" => "/9-klass/fizika/grachev-rabochaya-tetrad"
            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1074
              #items: array:1 [
                0 => App\Models\Term {#1075
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
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                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "field_description_bottom" => null
            "breadcrumbs" => array:3 [
              "class" => 380
              "subject" => 556
              "class_subject" => 493
            ]
          ]
          #original: array:50 [
            "id" => 1203
            "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 {#1046}
            "field_class" => Illuminate\Database\Eloquent\Collection {#1047}
            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1049}
            "field_author" => Illuminate\Database\Eloquent\Collection {#1051}
            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1056}
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1057}
            "field_country" => Illuminate\Database\Eloquent\Collection {#1059}
            "field_city" => Illuminate\Database\Eloquent\Collection {#1061}
            "field_series" => Illuminate\Database\Eloquent\Collection {#1063}
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1064}
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1065}
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1066}
            "field_publication_number" => "6"
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1068}
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1070}
            "field_under_the_edition_degree" => null
            "field_cover_description" => null
            "field_publication_year" => "2021"
            "field_publication_year_until" => null
            "field_part" => "1, 2, 3"
            "field_part_writing" => "Часть"
            "field_second_foreign_language" => null
            "field_for_whom" => "Учебное издание"
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            "field_tasks_count" => "594"
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            "field_default_folder" => "/fizika_09/grachev-rt/"
            "field_isbn" => "978-5-09-098826-1 (ч.1) 978-5-09-098880-3 (ч.2) 978-5-09-098881-0 (ч.3)"
            "field_cover" => array:3 [
              0 => "/media/fizika_09/grachev-rt/covers/cover1.webp?ts=1759003248"
              1 => "/media/fizika_09/grachev-rt/covers/cover2.webp?ts=1759003248"
              2 => "/media/fizika_09/grachev-rt/covers/cover3.webp?ts=1759003248"
            ]
            "field_cover_alts" => array:3 [
              0 => ""
              1 => ""
              2 => ""
            ]
            "field_covers" => array:3 [
              0 => array:4 [
                "path" => "/media/fizika_09/grachev-rt/covers/cover1.webp?ts=1759003248"
                "alt" => ""
                "width" => "2293"
                "height" => "2989"
              ]
              1 => array:4 [
                "path" => "/media/fizika_09/grachev-rt/covers/cover2.webp?ts=1759003248"
                "alt" => ""
                "width" => "2265"
                "height" => "3003"
              ]
              2 => array:4 [
                "path" => "/media/fizika_09/grachev-rt/covers/cover3.webp?ts=1759003248"
                "alt" => ""
                "width" => "2241"
                "height" => "2999"
              ]
            ]
            "field_popular_book" => "0"
            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1071}
            "field_new_book" => Illuminate\Database\Eloquent\Collection {#1072}
            "field_old_book" => Illuminate\Database\Eloquent\Collection {#1073}
            "field_url" => "/9-klass/fizika/grachev-rabochaya-tetrad"
            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1074}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "field_description_bottom" => null
            "breadcrumbs" => array:3 [
              "class" => 380
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              "class_subject" => 493
            ]
          ]
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            0 => "*"
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        }
      ]
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    }
    "field_metatags_title" => null
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    "field_h1" => null
    "field_description_top" => null
    "field_description_bottom" => null
    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1076
      #items: []
      #escapeWhenCastingToString: false
    }
    "content" => Illuminate\Database\Eloquent\Collection {#1087
      #items: array:1 [
        0 => App\Models\Element {#1086
          #connection: "mysql"
          #table: "elements"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:6 [
            "id" => 1699058
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "edition" => Illuminate\Database\Eloquent\Collection {#1096
              #items: array:1 [
                0 => App\Models\Edition {#1088
                  #connection: "mysql"
                  #table: "editions"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:21 [ …21]
                  #original: array:21 [ …21]
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "book_page" => array:2 [
              "refs" => "1435671"
              "type" => "book_page"
            ]
            "img" => array:1 [
              0 => array:5 [
                "name" => "36-1.jpg"
                "alt" => null
                "width" => "2325"
                "height" => 3092
                "path" => "/media/fizika_09/grachev-rt/0-3/36-1.webp?ts=1759404501"
              ]
            ]
          ]
          #original: array:6 [
            "id" => 1699058
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "edition" => Illuminate\Database\Eloquent\Collection {#1096}
            "book_page" => array:2 [
              "refs" => "1435671"
              "type" => "book_page"
            ]
            "img" => array:1 [
              0 => array:5 [
                "name" => "36-1.jpg"
                "alt" => null
                "width" => "2325"
                "height" => 3092
                "path" => "/media/fizika_09/grachev-rt/0-3/36-1.webp?ts=1759404501"
              ]
            ]
          ]
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          #attributeCastCache: []
          #dateFormat: null
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          #touches: []
          +timestamps: true
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          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "next" => Illuminate\Database\Eloquent\Collection {#7366
      #items: array:1 [
        0 => App\Models\BookPage {#7365
          #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" => 1435672
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "37"
            "field_url" => "/9-klass/fizika/grachev-rabochaya-tetrad/page-3-37"
            "field_display_title" => "37"
            "field_folder" => "3"
            "field_image_name" => "37"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#7367
              #items: array:1 [
                0 => App\Models\Branch {#1227
                  #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 [ …24]
                  #original: array:24 [ …24]
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#7368
              #items: array:1 [
                0 => App\Models\Book {#1043}
              ]
              #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 {#7369
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#7379
              #items: array:1 [
                0 => App\Models\Element {#7378
                  #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: []
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1435673"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1435671"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#7372
              #items: array:2 [
                0 => App\Models\Task {#7384
                  #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: []
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                  #observables: []
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Task {#7391
                  #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: []
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 1435672
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "37"
            "field_url" => "/9-klass/fizika/grachev-rabochaya-tetrad/page-3-37"
            "field_display_title" => "37"
            "field_folder" => "3"
            "field_image_name" => "37"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#7367}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#7368}
            "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 {#7369}
            "content" => Illuminate\Database\Eloquent\Collection {#7379}
            "next" => array:2 [
              "refs" => "1435673"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1435671"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#7372}
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
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          #dispatchesEvents: []
          #observables: []
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          #touches: []
          +timestamps: true
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "previous" => Illuminate\Database\Eloquent\Collection {#7359
      #items: array:1 [
        0 => App\Models\BookPage {#6002
          #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" => 1435670
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "35"
            "field_url" => "/9-klass/fizika/grachev-rabochaya-tetrad/page-3-35"
            "field_display_title" => "35"
            "field_folder" => "3"
            "field_image_name" => "35"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6010
              #items: array:1 [
                0 => App\Models\Branch {#6007
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
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                  #attributeCastCache: []
                  #dateFormat: null
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6046
              #items: array:1 [
                0 => App\Models\Book {#6047
                  #connection: "mysql"
                  #table: "books"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:50 [ …50]
                  #original: array:50 [ …50]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#6079
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#6080
              #items: array:1 [
                0 => App\Models\Element {#6081
                  #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" => "1435671"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1435669"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6089
              #items: array:5 [
                0 => App\Models\Task {#6090
                  #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 {#6373
                  #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 {#6619
                  #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 {#6865
                  #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 {#7111
                  #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" => 1435670
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "35"
            "field_url" => "/9-klass/fizika/grachev-rabochaya-tetrad/page-3-35"
            "field_display_title" => "35"
            "field_folder" => "3"
            "field_image_name" => "35"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#6010}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#6046}
            "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 {#6079}
            "content" => Illuminate\Database\Eloquent\Collection {#6080}
            "next" => array:2 [
              "refs" => "1435671"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1435669"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6089}
          ]
          #changes: []
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          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
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          #dispatchesEvents: []
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          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "tasks" => Illuminate\Database\Eloquent\Collection {#1080
      #items: array:4 [
        0 => App\Models\Task {#1100
          #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" => 1435272
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "36"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-rabochaya-tetrad/45-10"
            "field_display_title" => "10"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1104
              #items: array:1 [
                0 => App\Models\Term {#1101
                  #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: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1103
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1102
              #items: array:1 [
                0 => App\Models\Branch {#1008}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1217
              #items: array:3 [
                0 => App\Models\Branch {#1227}
                1 => App\Models\Branch {#1232
                  #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 [ …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\Branch {#1237
                  #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 [ …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
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1142
              #items: array:2 [
                0 => App\Models\Element {#1211
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
                  #original: array:7 [ …7]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1209
                  #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" => "1435273"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1435271"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1213
              #items: array:1 [
                0 => App\Models\Book {#1043}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1435671"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1435272
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "36"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-rabochaya-tetrad/45-10"
            "field_display_title" => "10"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1104}
            "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 {#1103}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1102}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1217}
            "content" => Illuminate\Database\Eloquent\Collection {#1142}
            "next" => array:2 [
              "refs" => "1435273"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1435271"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1213}
            "page" => array:2 [
              "refs" => "1435671"
              "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 {#1178
          #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" => 1435273
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "36"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/grachev-rabochaya-tetrad/45-11"
            "field_display_title" => "11"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1224
              #items: array:1 [
                0 => App\Models\Term {#1101}
              ]
              #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 {#1212
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1182
              #items: array:1 [
                0 => App\Models\Branch {#1227}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1179
              #items: array:3 [
                0 => App\Models\Branch {#1227}
                1 => App\Models\Branch {#1232}
                2 => App\Models\Branch {#1237}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1215
              #items: array:2 [
                0 => App\Models\Element {#1194
                  #connection: "mysql"
                  #table: "elements"
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                  +timestamps: true
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                }
                1 => App\Models\Element {#1192
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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              ]
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            "next" => array:2 [
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            "book" => Illuminate\Database\Eloquent\Collection {#1197
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                0 => App\Models\Book {#1043}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
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            ]
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            "field_url" => "/9-klass/fizika/grachev-rabochaya-tetrad/45-11"
            "field_display_title" => "11"
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            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1224}
            "field_metatags_title" => null
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            "field_h1" => null
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            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1212}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1182}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1179}
            "content" => Illuminate\Database\Eloquent\Collection {#1215}
            "next" => array:2 [
              "refs" => "1435274"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1435272"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1197}
            "page" => array:2 [
              "refs" => "1435671"
              "type" => "book_page"
            ]
          ]
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            0 => "*"
          ]
        }
        2 => App\Models\Task {#1202
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
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          #attributes: array:24 [
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            "field_display_title" => "12"
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            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1183
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            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1199
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            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1200
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            "content" => Illuminate\Database\Eloquent\Collection {#1198
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                0 => App\Models\Element {#1145
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                1 => App\Models\Element {#1176
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            "book" => Illuminate\Database\Eloquent\Collection {#1185
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                0 => App\Models\Book {#1043}
              ]
              #escapeWhenCastingToString: false
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            "page" => array:2 [
              "refs" => "1435671"
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            "field_url" => "/9-klass/fizika/grachev-rabochaya-tetrad/45-12"
            "field_display_title" => "12"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1183}
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1190}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1199}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1200}
            "content" => Illuminate\Database\Eloquent\Collection {#1198}
            "next" => array:2 [
              "refs" => "1435275"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1435273"
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            "book" => Illuminate\Database\Eloquent\Collection {#1185}
            "page" => array:2 [
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              "type" => "book_page"
            ]
          ]
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            0 => "*"
          ]
        }
        3 => App\Models\Task {#1188
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
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          #attributes: array:24 [
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            "created_at" => "2026-04-10 13:58:26"
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            "field_url" => "/9-klass/fizika/grachev-rabochaya-tetrad/45-13"
            "field_display_title" => "13"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1196
              #items: array:1 [
                0 => App\Models\Term {#1101}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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              #items: []
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            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1187
              #items: array:1 [
                0 => App\Models\Branch {#1227}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1189
              #items: array:3 [
                0 => App\Models\Branch {#1227}
                1 => App\Models\Branch {#1232}
                2 => App\Models\Branch {#1237}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1186
              #items: array:2 [
                0 => App\Models\Element {#1167
                  #connection: "mysql"
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                }
                1 => App\Models\Element {#1165
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
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            "book" => Illuminate\Database\Eloquent\Collection {#1171
              #items: array:1 [
                0 => App\Models\Book {#1043}
              ]
              #escapeWhenCastingToString: false
            }
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            "field_display_title" => "13"
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            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1196}
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            "field_h1" => null
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            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1187}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1189}
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              "refs" => "1435276"
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            "previous" => array:2 [
              "refs" => "1435274"
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            "book" => Illuminate\Database\Eloquent\Collection {#1171}
            "page" => array:2 [
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              "type" => "book_page"
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          ]
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    "id" => 1435671
    "created_at" => "2026-04-10 13:58:26"
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    "field_page_start" => "36"
    "field_url" => "/9-klass/fizika/grachev-rabochaya-tetrad/page-3-36"
    "field_display_title" => "36"
    "field_folder" => "3"
    "field_image_name" => "36"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1045}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1078}
    "field_metatags_title" => null
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    "field_h1" => null
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    "field_description_bottom" => null
    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1076}
    "content" => Illuminate\Database\Eloquent\Collection {#1087}
    "next" => array:2 [
      "refs" => "1435672"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1435670"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1080}
  ]
  #changes: []
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  +timestamps: true
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  #hidden: []
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  #guarded: array:1 [
    0 => "*"
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}
Физика, 9 класс рабочая тетрадь, авторы: Грачев Александр Васильевич, Погожев Владимир Александрович, Боков Павел Юрьевич, Вишнякова Екатерина Анатольевна, издательство Просвещение, Москва, 2021, Часть 3, страница 36
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