Страница 355 - гдз по химии 10 класс учебник Еремин, Кузьменко

Химия, 10 класс Учебник, авторы: Еремин Вадим Владимирович, Кузьменко Николай Егорович, Теренин Владимир Ильич, Дроздов Андрей Анатольевич, Лунин Валерий Васильевич, издательство Просвещение, Москва, 2023, белого цвета

Авторы: Еремин В. В., Кузьменко Н. Е., Теренин В. И., Дроздов А. А., Лунин В. В.

Тип: Учебник

Издательство: Просвещение

Год издания: 2023 - 2026

Уровень обучения: углублённый

Цвет обложки: белый, зелёный с радугой

Допущено Министерством просвещения Российской Федерации

Cтраница 355

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" => 926251
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "355"
    "field_url" => "/10-klass/himiya/eremin-uchebnik/page-355"
    "field_display_title" => "355"
    "field_folder" => "1"
    "field_image_name" => "355"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008
      #items: []
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1016
      #items: array:1 [
        0 => App\Models\Book {#1015
          #connection: "mysql"
          #table: "books"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: false
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          +preventsLazyLoading: false
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          #attributes: array:50 [
            "id" => 1003
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_tree_default_status" => "tasks"
            "field_pages_status" => null
            "field_subject" => Illuminate\Database\Eloquent\Collection {#1020
              #items: array:1 [
                0 => App\Models\Term {#1017
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #attributes: array:10 [
                    "id" => 6495
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Химия"
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                      "field_accusative_case" => "химию"
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                      "field_genitive_case" => "химии"
                      "field_nominative_case" => "химия"
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                    "id" => 6495
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                  ]
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                    0 => "*"
                  ]
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              ]
              #escapeWhenCastingToString: false
            }
            "field_class" => Illuminate\Database\Eloquent\Collection {#1022
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                0 => App\Models\Term {#1019
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                  #table: "terms"
                  #primaryKey: "id"
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                  +incrementing: false
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                    "id" => 5459
                    "created_at" => "2026-04-10 13:58:26"
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                      "field_accusative_case" => "десятый"
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                      "field_dative_case" => "десятому"
                      "field_genitive_case" => "десятого"
                      "field_nominative_case" => "десятый"
                      "field_prepositional_case" => "десятом"
                    ]
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                  ]
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                    "field_cases" => array:6 [
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                      "field_prepositional_case" => "десятом"
                    ]
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              ]
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            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1024
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            "field_author" => Illuminate\Database\Eloquent\Collection {#1029
              #items: array:5 [
                0 => App\Models\Term {#1023
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
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                  #escapeWhenCastingToString: false
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                    "id" => 4330
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Еремин"
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                    "field_name" => "Вадим"
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                1 => App\Models\Term {#1025
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                    "field_foreign_lang_surname" => null
                    "field_name" => "Николай"
                    "field_patronymic" => "Егорович"
                    "field_surname_rp" => null
                  ]
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                    "id" => 4876
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                    0 => "*"
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                2 => App\Models\Term {#1018
                  #connection: "mysql"
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                  #attributes: array:12 [
                    "id" => 5912
                    "created_at" => "2026-04-10 13:58:26"
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                    "field_patronymic" => "Ильич"
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                  ]
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                    "id" => 5912
                    "created_at" => "2026-04-10 13:58:26"
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                3 => App\Models\Term {#1026
                  #connection: "mysql"
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                    ]
                    "field_translit" => "moskva"
                  ]
                  #original: array:6 [
                    "id" => 15
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Москва"
                    "field_cases" => array:6 [
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                    ]
                    "field_translit" => "moskva"
                  ]
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_series" => Illuminate\Database\Eloquent\Collection {#1036
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1031
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1041
              #items: array:1 [
                0 => App\Models\Term {#1038
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
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                  #perPage: 15
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                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 39
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "углублённый"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "углубленный"
                      "field_creative_case" => "углубленным"
                      "field_dative_case" => "углубленному"
                      "field_genitive_case" => "углубленного"
                      "field_nominative_case" => "углубленный"
                      "field_prepositional_case" => "углубленном"
                    ]
                    "field_translit" => "uglublennyy"
                  ]
                  #original: array:6 [
                    "id" => 39
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "углублённый"
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                      "field_accusative_case" => "углубленный"
                      "field_creative_case" => "углубленным"
                      "field_dative_case" => "углубленному"
                      "field_genitive_case" => "углубленного"
                      "field_nominative_case" => "углубленный"
                      "field_prepositional_case" => "углубленном"
                    ]
                    "field_translit" => "uglublennyy"
                  ]
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                  #attributeCastCache: []
                  #dateFormat: null
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1043
              #items: array:1 [
                0 => App\Models\Term {#1040
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
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                  #withCount: []
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                  #escapeWhenCastingToString: false
                  #attributes: array:10 [
                    "id" => 6706
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "ФГОС (старый)"
                    "field_cases" => array:6 [
                      "field_accusative_case" => null
                      "field_creative_case" => null
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                      "field_nominative_case" => null
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                    ]
                    "field_color" => null
                    "field_end_year" => "2022"
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                    "field_translit" => "fgos-old"
                    "field_type" => null
                  ]
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                    "id" => 6706
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
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                    ]
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                    "field_type" => null
                  ]
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_publication_number" => "10"
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1045
              #items: array:1 [
                0 => App\Models\Term {#1042
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
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                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 33
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "стереотипное"
                    "field_cases" => array:6 [
                      "field_accusative_case" => null
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                      "field_dative_case" => null
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                      "field_nominative_case" => null
                      "field_prepositional_case" => null
                    ]
                    "field_translit" => "stereotipnoe"
                  ]
                  #original: array:6 [
                    "id" => 33
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "стереотипное"
                    "field_cases" => array:6 [
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                    ]
                    "field_translit" => "stereotipnoe"
                  ]
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                  #attributeCastCache: []
                  #dateFormat: null
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1044
              #items: array:1 [
                0 => App\Models\Term {#1027}
              ]
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition_degree" => "доктор химических наук, академика РАН"
            "field_cover_description" => "с радугой"
            "field_publication_year" => "2023"
            "field_publication_year_until" => null
            "field_part" => ""
            "field_part_writing" => ""
            "field_second_foreign_language" => null
            "field_for_whom" => null
            "field_allowed" => "Допущено Министерством просвещения Российской Федерации"
            "field_reserve_field" => null
            "field_link_to_source" => null
            "field_tasks_count" => "697"
            "field_priority" => "10"
            "field_default_folder" => "/himiya_10/eremin-u23/"
            "field_isbn" => null
            "field_cover" => array:1 [
              0 => "/media/himiya_10/eremin-u23/covers/cover1.webp?ts=1738768732"
            ]
            "field_cover_alts" => array:1 [
              0 => ""
            ]
            "field_covers" => array:1 [
              0 => array:4 [
                "path" => "/media/himiya_10/eremin-u23/covers/cover1.webp?ts=1738768732"
                "alt" => ""
                "width" => "1200"
                "height" => "1576"
              ]
            ]
            "field_popular_book" => null
            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1039
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_new_book" => Illuminate\Database\Eloquent\Collection {#1046
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_old_book" => Illuminate\Database\Eloquent\Collection {#1047
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_url" => "/10-klass/himiya/eremin-uchebnik"
            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1049
              #items: array:2 [
                0 => App\Models\Term {#1048
                  #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" => 45
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "белый"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "белый"
                      "field_creative_case" => "белым"
                      "field_dative_case" => "белому"
                      "field_genitive_case" => "белого"
                      "field_nominative_case" => "белый"
                      "field_prepositional_case" => "белом"
                    ]
                    "field_translit" => "belyy"
                  ]
                  #original: array:6 [
                    "id" => 45
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "белый"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "белый"
                      "field_creative_case" => "белым"
                      "field_dative_case" => "белому"
                      "field_genitive_case" => "белого"
                      "field_nominative_case" => "белый"
                      "field_prepositional_case" => "белом"
                    ]
                    "field_translit" => "belyy"
                  ]
                  #changes: []
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                1 => App\Models\Term {#1050
                  #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" => 47
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "зелёный"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "зелёный"
                      "field_creative_case" => "зелёным"
                      "field_dative_case" => "зелёному"
                      "field_genitive_case" => "зелёного"
                      "field_nominative_case" => "зелёный"
                      "field_prepositional_case" => "зелёном"
                    ]
                    "field_translit" => "zelyonyy"
                  ]
                  #original: array:6 [
                    "id" => 47
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "зелёный"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "зелёный"
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                      "field_dative_case" => "зелёному"
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                      "field_nominative_case" => "зелёный"
                      "field_prepositional_case" => "зелёном"
                    ]
                    "field_translit" => "zelyonyy"
                  ]
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                  #attributeCastCache: []
                  #dateFormat: null
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
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            "field_metatags_description" => null
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            "breadcrumbs" => array:3 [
              "class" => 381
              "subject" => 558
              "class_subject" => 500
            ]
          ]
          #original: array:50 [
            "id" => 1003
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_tree_default_status" => "tasks"
            "field_pages_status" => null
            "field_subject" => Illuminate\Database\Eloquent\Collection {#1020}
            "field_class" => Illuminate\Database\Eloquent\Collection {#1022}
            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1024}
            "field_author" => Illuminate\Database\Eloquent\Collection {#1029}
            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1030}
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1033}
            "field_country" => Illuminate\Database\Eloquent\Collection {#1035}
            "field_city" => Illuminate\Database\Eloquent\Collection {#1037}
            "field_series" => Illuminate\Database\Eloquent\Collection {#1036}
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1031}
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1041}
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1043}
            "field_publication_number" => "10"
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1045}
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1044}
            "field_under_the_edition_degree" => "доктор химических наук, академика РАН"
            "field_cover_description" => "с радугой"
            "field_publication_year" => "2023"
            "field_publication_year_until" => null
            "field_part" => ""
            "field_part_writing" => ""
            "field_second_foreign_language" => null
            "field_for_whom" => null
            "field_allowed" => "Допущено Министерством просвещения Российской Федерации"
            "field_reserve_field" => null
            "field_link_to_source" => null
            "field_tasks_count" => "697"
            "field_priority" => "10"
            "field_default_folder" => "/himiya_10/eremin-u23/"
            "field_isbn" => null
            "field_cover" => array:1 [
              0 => "/media/himiya_10/eremin-u23/covers/cover1.webp?ts=1738768732"
            ]
            "field_cover_alts" => array:1 [
              0 => ""
            ]
            "field_covers" => array:1 [
              0 => array:4 [
                "path" => "/media/himiya_10/eremin-u23/covers/cover1.webp?ts=1738768732"
                "alt" => ""
                "width" => "1200"
                "height" => "1576"
              ]
            ]
            "field_popular_book" => null
            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1039}
            "field_new_book" => Illuminate\Database\Eloquent\Collection {#1046}
            "field_old_book" => Illuminate\Database\Eloquent\Collection {#1047}
            "field_url" => "/10-klass/himiya/eremin-uchebnik"
            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1049}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "field_description_bottom" => null
            "breadcrumbs" => array:3 [
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              "subject" => 558
              "class_subject" => 500
            ]
          ]
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          #dateFormat: null
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          #visible: []
          #fillable: []
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            0 => "*"
          ]
        }
      ]
      #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 {#1007
      #items: []
      #escapeWhenCastingToString: false
    }
    "content" => Illuminate\Database\Eloquent\Collection {#1054
      #items: array:1 [
        0 => App\Models\Element {#1053
          #connection: "mysql"
          #table: "elements"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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          #perPage: 15
          +exists: true
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          #escapeWhenCastingToString: false
          #attributes: array:6 [
            "id" => 1100837
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "edition" => Illuminate\Database\Eloquent\Collection {#1063
              #items: array:1 [
                0 => App\Models\Edition {#1055
                  #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 [
                    "id" => 1829
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "title" => "Условие"
                    "field_order" => "1"
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1057
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "field_content_type" => "free"
                    "field_content_mode" => "text, image"
                    "field_page_content_mode" => "image"
                    "field_content_text_checked" => null
                    "field_page_content_text_checked" => "0"
                    "field_solution_author" => "Автор"
                    "field_moderator" => "vadim"
                    "field_edition_type" => "statement"
                    "field_root_dir" => "0-"
                    "field_responsible" => Illuminate\Database\Eloquent\Collection {#1058
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_comment" => null
                    "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1059
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_process_formula" => "katex"
                    "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1060
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_content_source" => null
                  ]
                  #original: array:21 [
                    "id" => 1829
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "title" => "Условие"
                    "field_order" => "1"
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1057}
                    "field_content_type" => "free"
                    "field_content_mode" => "text, image"
                    "field_page_content_mode" => "image"
                    "field_content_text_checked" => null
                    "field_page_content_text_checked" => "0"
                    "field_solution_author" => "Автор"
                    "field_moderator" => "vadim"
                    "field_edition_type" => "statement"
                    "field_root_dir" => "0-"
                    "field_responsible" => Illuminate\Database\Eloquent\Collection {#1058}
                    "field_comment" => null
                    "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1059}
                    "field_process_formula" => "katex"
                    "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1060}
                    "field_content_source" => null
                  ]
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "book_page" => array:2 [
              "refs" => "926251"
              "type" => "book_page"
            ]
            "img" => array:1 [
              0 => array:5 [
                "name" => "355-1.jpg"
                "alt" => null
                "width" => "1132"
                "height" => 1600
                "path" => "/media/himiya_10/eremin-u23/0-1/355-1.webp?ts=1744661647"
              ]
            ]
          ]
          #original: array:6 [
            "id" => 1100837
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "edition" => Illuminate\Database\Eloquent\Collection {#1063}
            "book_page" => array:2 [
              "refs" => "926251"
              "type" => "book_page"
            ]
            "img" => array:1 [
              0 => array:5 [
                "name" => "355-1.jpg"
                "alt" => null
                "width" => "1132"
                "height" => 1600
                "path" => "/media/himiya_10/eremin-u23/0-1/355-1.webp?ts=1744661647"
              ]
            ]
          ]
          #changes: []
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          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "next" => Illuminate\Database\Eloquent\Collection {#4465
      #items: array:1 [
        0 => App\Models\BookPage {#4466
          #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" => 926252
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "356"
            "field_url" => "/10-klass/himiya/eremin-uchebnik/page-356"
            "field_display_title" => "356"
            "field_folder" => "1"
            "field_image_name" => "356"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4482
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#4481
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #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 {#4480
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#4623
              #items: array:1 [
                0 => App\Models\Element {#4467
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 1100838
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#4620
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "book_page" => array:2 [
                      "refs" => "926252"
                      "type" => "book_page"
                    ]
                    "img" => array:1 [
                      0 => array:5 [ …5]
                    ]
                  ]
                  #original: array:6 [
                    "id" => 1100838
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#4620}
                    "book_page" => array:2 [
                      "refs" => "926252"
                      "type" => "book_page"
                    ]
                    "img" => array:1 [
                      0 => array:5 [ …5]
                    ]
                  ]
                  #changes: []
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "926253"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "926251"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#4478
              #items: []
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 926252
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "356"
            "field_url" => "/10-klass/himiya/eremin-uchebnik/page-356"
            "field_display_title" => "356"
            "field_folder" => "1"
            "field_image_name" => "356"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4482}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#4481}
            "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 {#4480}
            "content" => Illuminate\Database\Eloquent\Collection {#4623}
            "next" => array:2 [
              "refs" => "926253"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "926251"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#4478}
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
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          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "previous" => Illuminate\Database\Eloquent\Collection {#4460
      #items: array:1 [
        0 => App\Models\BookPage {#4459
          #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" => 926250
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "354"
            "field_url" => "/10-klass/himiya/eremin-uchebnik/page-354"
            "field_display_title" => "354"
            "field_folder" => "1"
            "field_image_name" => "354"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4461
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#4462
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #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 {#4463
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#4473
              #items: array:1 [
                0 => App\Models\Element {#4472
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 1100836
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#4474
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "book_page" => array:2 [
                      "refs" => "926250"
                      "type" => "book_page"
                    ]
                    "img" => array:1 [
                      0 => array:5 [ …5]
                    ]
                  ]
                  #original: array:6 [
                    "id" => 1100836
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#4474}
                    "book_page" => array:2 [
                      "refs" => "926250"
                      "type" => "book_page"
                    ]
                    "img" => array:1 [
                      0 => array:5 [ …5]
                    ]
                  ]
                  #changes: []
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "926251"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "926249"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#4464
              #items: array:9 [
                0 => App\Models\Task {#4485
                  #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" => 663383
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "354"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/eremin-uchebnik/62-1"
                    "field_display_title" => "1"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4489
                      #items: 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 {#4488
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4498
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4538
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4535
                      #items: array:3 [ …3]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
                      "refs" => "663384"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "663382"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4531
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "926250"
                      "type" => "book_page"
                    ]
                  ]
                  #original: array:24 [
                    "id" => 663383
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "354"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/eremin-uchebnik/62-1"
                    "field_display_title" => "1"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4489}
                    "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 {#4488}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4498}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4538}
                    "content" => Illuminate\Database\Eloquent\Collection {#4535}
                    "next" => array:2 [
                      "refs" => "663384"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "663382"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4531}
                    "page" => array:2 [
                      "refs" => "926250"
                      "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 {#4490
                  #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" => 663384
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "354"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/eremin-uchebnik/62-2"
                    "field_display_title" => "2"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4543
                      #items: 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 {#4533
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4530
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4532
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4492
                      #items: array:3 [ …3]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
                      "refs" => "663385"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "663383"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4506
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "926250"
                      "type" => "book_page"
                    ]
                  ]
                  #original: array:24 [
                    "id" => 663384
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "354"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/eremin-uchebnik/62-2"
                    "field_display_title" => "2"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4543}
                    "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 {#4533}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4530}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4532}
                    "content" => Illuminate\Database\Eloquent\Collection {#4492}
                    "next" => array:2 [
                      "refs" => "663385"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "663383"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4506}
                    "page" => array:2 [
                      "refs" => "926250"
                      "type" => "book_page"
                    ]
                  ]
                  #changes: []
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                2 => App\Models\Task {#4534
                  #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" => 663385
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "354"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/eremin-uchebnik/62-3"
                    "field_display_title" => "3"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4494
                      #items: 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 {#4505
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4503
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4509
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4511
                      #items: array:3 [ …3]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
                      "refs" => "663386"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "663384"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4555
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "926250"
                      "type" => "book_page"
                    ]
                  ]
                  #original: array:24 [
                    "id" => 663385
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "354"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/eremin-uchebnik/62-3"
                    "field_display_title" => "3"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4494}
                    "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 {#4505}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4503}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4509}
                    "content" => Illuminate\Database\Eloquent\Collection {#4511}
                    "next" => array:2 [
                      "refs" => "663386"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "663384"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4555}
                    "page" => array:2 [
                      "refs" => "926250"
                      "type" => "book_page"
                    ]
                  ]
                  #changes: []
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                3 => App\Models\Task {#4508
                  #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" => 663386
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "354"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/eremin-uchebnik/62-4"
                    "field_display_title" => "4"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4507
                      #items: 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 {#4540
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4556
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4539
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4541
                      #items: array:3 [ …3]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
                      "refs" => "663387"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
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                    "book" => Illuminate\Database\Eloquent\Collection {#4569
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                      #escapeWhenCastingToString: false
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4539}
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                    "next" => array:2 [
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                    "book" => Illuminate\Database\Eloquent\Collection {#4569}
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                  #hidden: []
                  #visible: []
                  #fillable: []
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                    0 => "*"
                  ]
                }
                4 => App\Models\Task {#4542
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
                    "id" => 663387
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
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                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4545
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4568
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4570
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4566
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4565
                      #items: array:3 [ …3]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
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                    ]
                    "previous" => array:2 [
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                      "type" => "task"
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                    "book" => Illuminate\Database\Eloquent\Collection {#4583
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
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                    "page" => array:2 [
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                      "type" => "book_page"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4545}
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4568}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4566}
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                    "next" => array:2 [
                      "refs" => "663388"
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                      "type" => "task"
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                    "book" => Illuminate\Database\Eloquent\Collection {#4583}
                    "page" => array:2 [
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                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                5 => App\Models\Task {#4567
                  #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" => 663388
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "354"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/eremin-uchebnik/62-6"
                    "field_display_title" => "6"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4564
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
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                    "field_h1" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4582
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4584
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4580
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4579
                      #items: array:3 [ …3]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
                      "refs" => "663389"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "663387"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4597
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
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                      "type" => "book_page"
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                  ]
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                    "created_at" => "2026-04-10 13:58:26"
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                    "field_display_title" => "6"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4564}
                    "field_metatags_title" => null
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                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4582}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4580}
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                    "next" => array:2 [
                      "refs" => "663389"
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                      "type" => "task"
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                    "book" => Illuminate\Database\Eloquent\Collection {#4597}
                    "page" => array:2 [
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                      "type" => "book_page"
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                  #dateFormat: null
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                  #touches: []
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                6 => App\Models\Task {#4581
                  #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" => 663389
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "354"
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                    "field_url" => "/10-klass/himiya/eremin-uchebnik/62-7"
                    "field_display_title" => "7"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4578
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
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                    "field_h1" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4596
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4598
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4594
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4593
                      #items: array:3 [ …3]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
                      "refs" => "663390"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "663388"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4611
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "926250"
                      "type" => "book_page"
                    ]
                  ]
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                    "field_display_title" => "7"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4578}
                    "field_metatags_title" => null
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4594}
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                    "next" => array:2 [
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                    "book" => Illuminate\Database\Eloquent\Collection {#4611}
                    "page" => array:2 [
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                    0 => "*"
                  ]
                }
                7 => App\Models\Task {#4595
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
                    "id" => 663390
                    "created_at" => "2026-04-10 13:58:26"
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                    "field_display_title" => "8"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4592
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4610
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4612
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4608
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4607
                      #items: array:3 [ …3]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
                      "refs" => "663391"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "663389"
                      "type" => "task"
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                    "book" => Illuminate\Database\Eloquent\Collection {#4625
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
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                    "page" => array:2 [
                      "refs" => "926250"
                      "type" => "book_page"
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                    "field_display_title" => "8"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4592}
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                    "next" => array:2 [
                      "refs" => "663391"
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                    "book" => Illuminate\Database\Eloquent\Collection {#4625}
                    "page" => array:2 [ …2]
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                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                8 => App\Models\Task {#4609
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #perPage: 15
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
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                    "created_at" => "2026-04-10 13:58:26"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4606 …2}
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                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4624 …2}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4622 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#4621 …2}
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                    "book" => Illuminate\Database\Eloquent\Collection {#4639 …2}
                    "page" => array:2 [ …2]
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    "tasks" => Illuminate\Database\Eloquent\Collection {#1006
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    "updated_at" => null
    "field_page_start" => "355"
    "field_url" => "/10-klass/himiya/eremin-uchebnik/page-355"
    "field_display_title" => "355"
    "field_folder" => "1"
    "field_image_name" => "355"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1016}
    "field_metatags_title" => null
    "field_metatags_description" => null
    "field_h1" => null
    "field_description_top" => null
    "field_description_bottom" => null
    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1007}
    "content" => Illuminate\Database\Eloquent\Collection {#1054}
    "next" => array:2 [
      "refs" => "926252"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "926250"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1006}
  ]
  #changes: []
  #casts: []
  #classCastCache: []
  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Химия, 10 класс Учебник, авторы: Еремин Вадим Владимирович, Кузьменко Николай Егорович, Теренин Владимир Ильич, Дроздов Андрей Анатольевич, Лунин Валерий Васильевич, издательство Просвещение, Москва, 2023, белого цвета, страница 355
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