Страница 308 - гдз по биологии 9 класс учебник Колесов, Маш

Биология, 9 класс Учебник, авторы: Колесов Дмитрий Васильевич, Маш Реми Давидович, Беляев Иван Николаевич, издательство Просвещение, Москва, 2021, белого цвета

Авторы: Колесов Д. В., Маш Р. Д., Беляев И. Н.

Тип: Учебник

Серия: линейный курс

Издательство: Просвещение

Год издания: 2021 - 2026

Цвет обложки: белый

ISBN: 978-5-09-080884-2 (2021), 978-5-09-113628-9 (2024)

Допущено Министерством просвещения Российской Федерации

Cтраница 308

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" => 1022948
    "created_at" => "2026-04-08 17:28:58"
    "updated_at" => null
    "field_page_start" => "308"
    "field_url" => "/9-klass/biologiya/kolesov-uchebnik/page-308"
    "field_display_title" => "308"
    "field_folder" => "1"
    "field_image_name" => "308"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008
      #items: []
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1041
      #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" => 4396
            "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: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:10 [
                    "id" => 6475
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "name" => "Биология"
                    "field_abbreviated_name" => null
                    "field_cases" => array:6 [
                      "field_accusative_case" => "биологию"
                      "field_creative_case" => "биологией"
                      "field_dative_case" => "биологии"
                      "field_genitive_case" => "биологии"
                      "field_nominative_case" => "биология"
                      "field_prepositional_case" => "биологии"
                    ]
                    "field_foreign_lang_name" => null
                    "field_short_name" => null
                    "field_subject_type" => "technical_subject"
                    "field_translit" => "biologiya"
                  ]
                  #original: array:10 [
                    "id" => 6475
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "name" => "Биология"
                    "field_abbreviated_name" => null
                    "field_cases" => array:6 [
                      "field_accusative_case" => "биологию"
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                      "field_dative_case" => "биологии"
                      "field_genitive_case" => "биологии"
                      "field_nominative_case" => "биология"
                      "field_prepositional_case" => "биологии"
                    ]
                    "field_foreign_lang_name" => null
                    "field_short_name" => null
                    "field_subject_type" => "technical_subject"
                    "field_translit" => "biologiya"
                  ]
                  #changes: []
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                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "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
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 5458
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "name" => "9"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "девятый"
                      "field_creative_case" => "девятым"
                      "field_dative_case" => "девятому"
                      "field_genitive_case" => "девятого"
                      "field_nominative_case" => "девятый"
                      "field_prepositional_case" => "девятом"
                    ]
                    "field_translit" => "devjatyj"
                  ]
                  #original: array:6 [
                    "id" => 5458
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
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                      "field_accusative_case" => "девятый"
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                      "field_nominative_case" => "девятый"
                      "field_prepositional_case" => "девятом"
                    ]
                    "field_translit" => "devjatyj"
                  ]
                  #changes: []
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                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1012
              #items: array:1 [
                0 => App\Models\Term {#1013
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 5153
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "name" => "Просвещение"
                    "field_cases" => null
                    "field_translit" => "prosveschenie"
                  ]
                  #original: array:6 [
                    "id" => 5153
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "name" => "Просвещение"
                    "field_cases" => null
                    "field_translit" => "prosveschenie"
                  ]
                  #changes: []
                  #casts: []
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                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_author" => Illuminate\Database\Eloquent\Collection {#1014
              #items: array:3 [
                0 => App\Models\Term {#1015
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:12 [
                    "id" => 4630
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "name" => "Колесов"
                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Дмитрий"
                    "field_patronymic" => "Васильевич"
                    "field_surname_rp" => null
                  ]
                  #original: array:12 [
                    "id" => 4630
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "name" => "Колесов"
                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Дмитрий"
                    "field_patronymic" => "Васильевич"
                    "field_surname_rp" => null
                  ]
                  #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 => "*"
                  ]
                }
                1 => App\Models\Term {#1016
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:12 [
                    "id" => 5140
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "name" => "Маш"
                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Реми"
                    "field_patronymic" => "Давидович"
                    "field_surname_rp" => null
                  ]
                  #original: array:12 [
                    "id" => 5140
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "name" => "Маш"
                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Реми"
                    "field_patronymic" => "Давидович"
                    "field_surname_rp" => null
                  ]
                  #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\Term {#1017
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:12 [
                    "id" => 3843
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "name" => "Беляев"
                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Иван"
                    "field_patronymic" => "Николаевич"
                    "field_surname_rp" => null
                  ]
                  #original: array:12 [
                    "id" => 3843
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "name" => "Беляев"
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                    "field_degree_rp" => null
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                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Иван"
                    "field_patronymic" => "Николаевич"
                    "field_surname_rp" => null
                  ]
                  #changes: []
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #hidden: []
                  #visible: []
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                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #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 [
                    "id" => 6671
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "name" => "Учебник"
                    "field_book_type_foreign" => null
                    "field_cases" => array:6 [
                      "field_accusative_case" => "учебник"
                      "field_creative_case" => "учебником"
                      "field_dative_case" => "учебнику"
                      "field_genitive_case" => "учебника"
                      "field_nominative_case" => "учебник"
                      "field_prepositional_case" => "учебнике"
                    ]
                    "field_plural_form" => null
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                    "field_translit" => "uchebnik"
                  ]
                  #original: array:10 [
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                    "field_cases" => array:6 [
                      "field_accusative_case" => "учебник"
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                      "field_nominative_case" => "учебник"
                      "field_prepositional_case" => "учебнике"
                    ]
                    "field_plural_form" => null
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                    "field_translit" => "uchebnik"
                  ]
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              ]
              #escapeWhenCastingToString: false
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              #items: array:1 [
                0 => App\Models\Term {#1022
                  #connection: "mysql"
                  #table: "terms"
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                  #attributes: array:6 [
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                    "updated_at" => null
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                0 => App\Models\Term {#1024
                  #connection: "mysql"
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                  #connection: "mysql"
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                    "created_at" => "2026-04-08 17:28:58"
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                    "field_foreign_lang_series" => null
                    "field_transcription_eng" => null
                    "field_translit" => "lineynyy kurs"
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            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1028
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              #escapeWhenCastingToString: false
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            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1029
              #items: array:1 [
                0 => App\Models\Term {#1030
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                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
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                    "field_cases" => array:6 [
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                          #attributes: array:6 [ …6]
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                        }
                      ]
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                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4332
                      #items: array:1 [
                        0 => App\Models\Branch {#4331
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
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                          +exists: true
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                          #attributes: array:23 [ …23]
                          #original: array:23 [ …23]
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                          #dateFormat: null
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                          +timestamps: true
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                          #hidden: []
                          #visible: []
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                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4368
                      #items: array:3 [
                        0 => App\Models\Branch {#4378
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
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                          #attributes: array:23 [ …23]
                          #original: array:23 [ …23]
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                          #hidden: []
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                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                        1 => App\Models\Branch {#4382
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:23 [ …23]
                          #original: array:23 [ …23]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                        2 => App\Models\Branch {#4387
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:23 [ …23]
                          #original: array:23 [ …23]
                          #changes: []
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                          #attributeCastCache: []
                          #dateFormat: null
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                          #relations: []
                          #touches: []
                          +timestamps: true
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                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4366
                      #items: array:3 [
                        0 => App\Models\Element {#4358
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
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                          #attributes: array:7 [ …7]
                          #original: array:7 [ …7]
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                          #hidden: []
                          #visible: []
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                          #guarded: array:1 [ …1]
                        }
                        1 => App\Models\Element {#4356
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
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                          #escapeWhenCastingToString: false
                          #attributes: array:6 [ …6]
                          #original: array:6 [ …6]
                          #changes: []
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                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
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                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                        2 => App\Models\Element {#4351
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
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                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:6 [ …6]
                          #original: array:6 [ …6]
                          #changes: []
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                          #attributeCastCache: []
                          #dateFormat: null
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                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
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                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
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                    }
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                    "previous" => array:2 [
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                    "book" => Illuminate\Database\Eloquent\Collection {#4362
                      #items: array:1 [
                        0 => App\Models\Book {#1006}
                      ]
                      #escapeWhenCastingToString: false
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                    "page" => array:2 [
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4323}
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                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4322}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4332}
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                    "content" => Illuminate\Database\Eloquent\Collection {#4366}
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                    "book" => Illuminate\Database\Eloquent\Collection {#4362}
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                    0 => "*"
                  ]
                }
                1 => App\Models\Task {#4324
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #perPage: 15
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                  #attributes: array:24 [
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                    "created_at" => "2026-04-08 17:28:58"
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                    "field_display_title" => "2"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4375
                      #items: array:1 [
                        0 => App\Models\Term {#4320}
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                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4361
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                        0 => App\Models\Branch {#4378}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4364
                      #items: array:3 [
                        0 => App\Models\Branch {#4378}
                        1 => App\Models\Branch {#4382}
                        2 => App\Models\Branch {#4387}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4326
                      #items: array:3 [
                        0 => App\Models\Element {#4325
                          #connection: "mysql"
                           …29
                        }
                        1 => App\Models\Element {#4367 …30}
                        2 => App\Models\Element {#4376 …30}
                      ]
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                    "book" => Illuminate\Database\Eloquent\Collection {#4329
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                        0 => App\Models\Book {#1006}
                      ]
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                    "page" => array:2 [
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                    "field_url" => "/9-klass/biologiya/kolesov-uchebnik/49-2-2"
                    "field_display_title" => "2"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4375}
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                    "book" => Illuminate\Database\Eloquent\Collection {#4329}
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                    0 => "*"
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                }
                2 => App\Models\Task {#4365
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #with: []
                  #withCount: []
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                  #attributes: array:24 [
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4328
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                        0 => App\Models\Term {#4320}
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                      #items: []
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                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4327
                      #items: array:1 [
                        0 => App\Models\Branch {#4378}
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                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4340
                      #items: array:3 [
                        0 => App\Models\Branch {#4378}
                        1 => App\Models\Branch {#4382}
                        2 => App\Models\Branch {#4387}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4342
                      #items: array:3 [
                        0 => App\Models\Element {#4393 …30}
                        1 => App\Models\Element {#4403 …30}
                        2 => App\Models\Element {#4405 …30}
                      ]
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                    "book" => Illuminate\Database\Eloquent\Collection {#4394
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                        0 => App\Models\Book {#1006}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4340}
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                    "book" => Illuminate\Database\Eloquent\Collection {#4394}
                    "page" => array:2 [
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                    0 => "*"
                  ]
                }
                3 => App\Models\Task {#4337
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
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                    "created_at" => "2026-04-08 17:28:58"
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                    "field_display_title" => "4"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4343
                      #items: array:1 [
                        0 => App\Models\Term {#4320}
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                        0 => App\Models\Branch {#4378}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4371
                      #items: array:3 [
                        0 => App\Models\Branch {#4378}
                        1 => App\Models\Branch {#4382}
                        2 => App\Models\Branch {#4387}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4373
                      #items: array:3 [
                        0 => App\Models\Element {#4415 …30}
                        1 => App\Models\Element {#4417 …30}
                        2 => App\Models\Element {#4419 …30}
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                    "book" => Illuminate\Database\Eloquent\Collection {#4412
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                        0 => App\Models\Book {#1006}
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                    0 => "*"
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                }
                4 => App\Models\Task {#4391
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                }
                5 => App\Models\Task {#4410
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                6 => App\Models\Task {#4424
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Биология, 9 класс Учебник, авторы: Колесов Дмитрий Васильевич, Маш Реми Давидович, Беляев Иван Николаевич, издательство Просвещение, Москва, 2021, белого цвета, страница 308
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