Номер 7, страница 108 - гдз по химии 10 класс учебник Габриелян, Остроумов

Химия, 10 класс Учебник, авторы: Габриелян Олег Саргисович, Остроумов Игорь Геннадьевич, Сладков Сергей Анатольевич, издательство Просвещение, Москва, 2021, белого цвета

Авторы: Габриелян О. С., Остроумов И. Г., Сладков С. А.

Тип: Учебник

Издательство: Просвещение

Год издания: 2021 - 2026

Уровень обучения: углублённый

Цвет обложки: белый, красный с молекулами

ISBN: 978-5-09-081244-3

Допущено Министерством просвещения Российской Федерации

Глава III. Непредельные углеводороды. Параграф 13. Алкадиены: классификация и строение - номер 7, страница 108.

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                    "field_for_whom" => "Учебник для общеобразовательных организаций"
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                    "field_default_folder" => "/himiya_10/Gabrieljan-u21/"
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                    "field_cover" => array:1 [ …1]
                    "field_cover_alts" => array:1 [ …1]
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                    "created_at" => "2026-04-10 13:58:26"
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                    "created_at" => "2026-04-10 13:58:26"
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            "field_author" => Illuminate\Database\Eloquent\Collection {#1166
              #items: array:3 [
                0 => App\Models\Term {#1167
                  #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" => 4061
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Габриелян"
                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Олег"
                    "field_patronymic" => "Саргисович"
                    "field_surname_rp" => null
                  ]
                  #original: array:12 [
                    "id" => 4061
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Габриелян"
                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Олег"
                    "field_patronymic" => "Саргисович"
                    "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 => "*"
                  ]
                }
                1 => App\Models\Term {#1168
                  #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" => 5402
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Остроумов"
                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Игорь"
                    "field_patronymic" => "Геннадьевич"
                    "field_surname_rp" => null
                  ]
                  #original: array:12 [
                    "id" => 5402
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Остроумов"
                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Игорь"
                    "field_patronymic" => "Геннадьевич"
                    "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 {#1169
                  #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" => 5786
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Сладков"
                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Сергей"
                    "field_patronymic" => "Анатольевич"
                    "field_surname_rp" => null
                  ]
                  #original: array:12 [
                    "id" => 5786
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Сладков"
                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Сергей"
                    "field_patronymic" => "Анатольевич"
                    "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 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1170
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1171
              #items: array:1 [
                0 => App\Models\Term {#1172
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:10 [
                    "id" => 6671
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Учебник"
                    "field_book_type_foreign" => null
                    "field_cases" => array:6 [ …6]
                    "field_plural_form" => null
                    "field_short_name" => null
                    "field_short_name_foreign" => null
                    "field_translit" => "uchebnik"
                  ]
                  #original: array:10 [
                    "id" => 6671
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Учебник"
                    "field_book_type_foreign" => null
                    "field_cases" => array:6 [ …6]
                    "field_plural_form" => null
                    "field_short_name" => null
                    "field_short_name_foreign" => null
                    "field_translit" => "uchebnik"
                  ]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_country" => Illuminate\Database\Eloquent\Collection {#1173
              #items: array:1 [
                0 => App\Models\Term {#1174
                  #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" => 9
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Россия"
                    "field_cases" => array:6 [ …6]
                    "field_translit" => "rossiya"
                  ]
                  #original: array:6 [
                    "id" => 9
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Россия"
                    "field_cases" => array:6 [ …6]
                    "field_translit" => "rossiya"
                  ]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_city" => Illuminate\Database\Eloquent\Collection {#1175
              #items: array:1 [
                0 => App\Models\Term {#1176
                  #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" => 15
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Москва"
                    "field_cases" => array:6 [ …6]
                    "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 [ …6]
                    "field_translit" => "moskva"
                  ]
                  #changes: []
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
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                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_series" => Illuminate\Database\Eloquent\Collection {#1177
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1178
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1179
              #items: array:1 [
                0 => App\Models\Term {#1180
                  #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" => 39
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "углублённый"
                    "field_cases" => array:6 [ …6]
                    "field_translit" => "uglublennyy"
                  ]
                  #original: array:6 [
                    "id" => 39
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "углублённый"
                    "field_cases" => array:6 [ …6]
                    "field_translit" => "uglublennyy"
                  ]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
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                  #relations: []
                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1181
              #items: array:1 [
                0 => App\Models\Term {#1182
                  #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" => 6706
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "ФГОС (старый)"
                    "field_cases" => array:6 [ …6]
                    "field_color" => null
                    "field_end_year" => "2022"
                    "field_start_year" => "2019"
                    "field_translit" => "fgos-old"
                    "field_type" => null
                  ]
                  #original: array:10 [
                    "id" => 6706
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "ФГОС (старый)"
                    "field_cases" => array:6 [ …6]
                    "field_color" => null
                    "field_end_year" => "2022"
                    "field_start_year" => "2019"
                    "field_translit" => "fgos-old"
                    "field_type" => null
                  ]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_publication_number" => null
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1183
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1184
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition_degree" => null
            "field_cover_description" => "с молекулами"
            "field_publication_year" => "2021"
            "field_publication_year_until" => null
            "field_part" => ""
            "field_part_writing" => ""
            "field_second_foreign_language" => null
            "field_for_whom" => "Учебник для общеобразовательных организаций"
            "field_allowed" => "Допущено Министерством просвещения Российской Федерации"
            "field_reserve_field" => null
            "field_link_to_source" => null
            "field_tasks_count" => "639"
            "field_priority" => "4"
            "field_default_folder" => "/himiya_10/Gabrieljan-u21/"
            "field_isbn" => "978-5-09-081244-3"
            "field_cover" => array:1 [
              0 => "/media/himiya_10/Gabrieljan-u21/covers/cover1.webp?ts=1738362962"
            ]
            "field_cover_alts" => array:1 [
              0 => ""
            ]
            "field_covers" => array:1 [
              0 => array:4 [
                "path" => "/media/himiya_10/Gabrieljan-u21/covers/cover1.webp?ts=1738362962"
                "alt" => ""
                "width" => "1200"
                "height" => "1588"
              ]
            ]
            "field_popular_book" => null
            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1185
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_new_book" => Illuminate\Database\Eloquent\Collection {#1186
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_old_book" => Illuminate\Database\Eloquent\Collection {#1187
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_url" => "/10-klass/himiya/gabrieljan-uchebnik"
            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1188
              #items: array:2 [
                0 => App\Models\Term {#1189
                  #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 [ …6]
                    "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 [ …6]
                    "field_translit" => "belyy"
                  ]
                  #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\Term {#1190
                  #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" => 46
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "красный"
                    "field_cases" => array:6 [ …6]
                    "field_translit" => "krasnyy"
                  ]
                  #original: array:6 [
                    "id" => 46
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "красный"
                    "field_cases" => array:6 [ …6]
                    "field_translit" => "krasnyy"
                  ]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
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                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "breadcrumbs" => array:3 [
              "class" => 381
              "subject" => 558
              "class_subject" => 500
            ]
          ]
          #original: array:50 [
            "id" => 3630
            "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 {#1160}
            "field_class" => Illuminate\Database\Eloquent\Collection {#1162}
            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1164}
            "field_author" => Illuminate\Database\Eloquent\Collection {#1166}
            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1170}
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1171}
            "field_country" => Illuminate\Database\Eloquent\Collection {#1173}
            "field_city" => Illuminate\Database\Eloquent\Collection {#1175}
            "field_series" => Illuminate\Database\Eloquent\Collection {#1177}
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1178}
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1179}
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1181}
            "field_publication_number" => null
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1183}
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1184}
            "field_under_the_edition_degree" => null
            "field_cover_description" => "с молекулами"
            "field_publication_year" => "2021"
            "field_publication_year_until" => null
            "field_part" => ""
            "field_part_writing" => ""
            "field_second_foreign_language" => null
            "field_for_whom" => "Учебник для общеобразовательных организаций"
            "field_allowed" => "Допущено Министерством просвещения Российской Федерации"
            "field_reserve_field" => null
            "field_link_to_source" => null
            "field_tasks_count" => "639"
            "field_priority" => "4"
            "field_default_folder" => "/himiya_10/Gabrieljan-u21/"
            "field_isbn" => "978-5-09-081244-3"
            "field_cover" => array:1 [
              0 => "/media/himiya_10/Gabrieljan-u21/covers/cover1.webp?ts=1738362962"
            ]
            "field_cover_alts" => array:1 [
              0 => ""
            ]
            "field_covers" => array:1 [
              0 => array:4 [
                "path" => "/media/himiya_10/Gabrieljan-u21/covers/cover1.webp?ts=1738362962"
                "alt" => ""
                "width" => "1200"
                "height" => "1588"
              ]
            ]
            "field_popular_book" => null
            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1185}
            "field_new_book" => Illuminate\Database\Eloquent\Collection {#1186}
            "field_old_book" => Illuminate\Database\Eloquent\Collection {#1187}
            "field_url" => "/10-klass/himiya/gabrieljan-uchebnik"
            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1188}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "breadcrumbs" => array:3 [
              "class" => 381
              "subject" => 558
              "class_subject" => 500
            ]
          ]
          #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
    }
    "page" => Illuminate\Database\Eloquent\Collection {#1512
      #items: array:1 [
        0 => App\Models\BookPage {#1194
          #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" => 903566
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "108"
            "field_url" => "/10-klass/himiya/gabrieljan-uchebnik/page-108"
            "field_display_title" => "108"
            "field_folder" => "1"
            "field_image_name" => "108"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1198
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1197
              #items: array:1 [
                0 => App\Models\Book {#1199
                  #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" => 3630
                    "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 {#1200 …2}
                    "field_class" => Illuminate\Database\Eloquent\Collection {#1202 …2}
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1204 …2}
                    "field_author" => Illuminate\Database\Eloquent\Collection {#1206 …2}
                    "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1210 …2}
                    "field_book_type" => Illuminate\Database\Eloquent\Collection {#1211 …2}
                    "field_country" => Illuminate\Database\Eloquent\Collection {#1213 …2}
                    "field_city" => Illuminate\Database\Eloquent\Collection {#1215 …2}
                    "field_series" => Illuminate\Database\Eloquent\Collection {#1217 …2}
                    "field_umk" => Illuminate\Database\Eloquent\Collection {#1218 …2}
                    "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1219 …2}
                    "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1221 …2}
                    "field_publication_number" => null
                    "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1223 …2}
                    "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1224 …2}
                    "field_under_the_edition_degree" => null
                    "field_cover_description" => "с молекулами"
                    "field_publication_year" => "2021"
                    "field_publication_year_until" => null
                    "field_part" => ""
                    "field_part_writing" => ""
                    "field_second_foreign_language" => null
                    "field_for_whom" => "Учебник для общеобразовательных организаций"
                    "field_allowed" => "Допущено Министерством просвещения Российской Федерации"
                    "field_reserve_field" => null
                    "field_link_to_source" => null
                    "field_tasks_count" => "639"
                    "field_priority" => "4"
                    "field_default_folder" => "/himiya_10/Gabrieljan-u21/"
                    "field_isbn" => "978-5-09-081244-3"
                    "field_cover" => array:1 [ …1]
                    "field_cover_alts" => array:1 [ …1]
                    "field_covers" => array:1 [ …1]
                    "field_popular_book" => null
                    "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1225 …2}
                    "field_new_book" => Illuminate\Database\Eloquent\Collection {#1226 …2}
                    "field_old_book" => Illuminate\Database\Eloquent\Collection {#1227 …2}
                    "field_url" => "/10-klass/himiya/gabrieljan-uchebnik"
                    "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1228 …2}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
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                    "breadcrumbs" => array:3 [ …3]
                  ]
                  #original: array:50 [
                    "id" => 3630
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                    "field_subject" => Illuminate\Database\Eloquent\Collection {#1200 …2}
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                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1204 …2}
                    "field_author" => Illuminate\Database\Eloquent\Collection {#1206 …2}
                    "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1210 …2}
                    "field_book_type" => Illuminate\Database\Eloquent\Collection {#1211 …2}
                    "field_country" => Illuminate\Database\Eloquent\Collection {#1213 …2}
                    "field_city" => Illuminate\Database\Eloquent\Collection {#1215 …2}
                    "field_series" => Illuminate\Database\Eloquent\Collection {#1217 …2}
                    "field_umk" => Illuminate\Database\Eloquent\Collection {#1218 …2}
                    "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1219 …2}
                    "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1221 …2}
                    "field_publication_number" => null
                    "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1223 …2}
                    "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1224 …2}
                    "field_under_the_edition_degree" => null
                    "field_cover_description" => "с молекулами"
                    "field_publication_year" => "2021"
                    "field_publication_year_until" => null
                    "field_part" => ""
                    "field_part_writing" => ""
                    "field_second_foreign_language" => null
                    "field_for_whom" => "Учебник для общеобразовательных организаций"
                    "field_allowed" => "Допущено Министерством просвещения Российской Федерации"
                    "field_reserve_field" => null
                    "field_link_to_source" => null
                    "field_tasks_count" => "639"
                    "field_priority" => "4"
                    "field_default_folder" => "/himiya_10/Gabrieljan-u21/"
                    "field_isbn" => "978-5-09-081244-3"
                    "field_cover" => array:1 [ …1]
                    "field_cover_alts" => array:1 [ …1]
                    "field_covers" => array:1 [ …1]
                    "field_popular_book" => null
                    "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1225 …2}
                    "field_new_book" => Illuminate\Database\Eloquent\Collection {#1226 …2}
                    "field_old_book" => Illuminate\Database\Eloquent\Collection {#1227 …2}
                    "field_url" => "/10-klass/himiya/gabrieljan-uchebnik"
                    "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1228 …2}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
                    "field_description_top" => null
                    "field_description_bottom" => null
                    "breadcrumbs" => array:3 [ …3]
                  ]
                  #changes: []
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                  #touches: []
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "field_h1" => null
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            "field_description_bottom" => null
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1231
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1232
              #items: array:1 [
                0 => App\Models\Element {#1233
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 1077948
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#1234 …2}
                    "book_page" => array:2 [ …2]
                    "img" => array:1 [ …1]
                  ]
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                    "id" => 1077948
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#1234 …2}
                    "book_page" => array:2 [ …2]
                    "img" => array:1 [ …1]
                  ]
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                  #touches: []
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "903567"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "903565"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#1241
              #items: array:7 [
                0 => App\Models\Task {#1242
                  #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" => 631330
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "108"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/gabrieljan-uchebnik/13-1"
                    "field_display_title" => "1"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1243 …2}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
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                    "field_match" => null
                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1245 …2}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1246 …2}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1284 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#1396 …2}
                    "next" => array:2 [ …2]
                    "previous" => array:2 [ …2]
                    "book" => Illuminate\Database\Eloquent\Collection {#1413 …2}
                    "page" => array:2 [ …2]
                  ]
                  #original: array:24 [
                    "id" => 631330
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "108"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/gabrieljan-uchebnik/13-1"
                    "field_display_title" => "1"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1243 …2}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
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                    "field_match" => null
                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1245 …2}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1246 …2}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1284 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#1396 …2}
                    "next" => array:2 [ …2]
                    "previous" => array:2 [ …2]
                    "book" => Illuminate\Database\Eloquent\Collection {#1413 …2}
                    "page" => array:2 [ …2]
                  ]
                  #changes: []
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
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                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                1 => App\Models\Task {#1414
                  #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" => 631331
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "108"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/gabrieljan-uchebnik/13-2"
                    "field_display_title" => "2"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1415 …2}
                    "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 {#1416 …2}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1417 …2}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1418 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#1419 …2}
                    "next" => array:2 [ …2]
                    "previous" => array:2 [ …2]
                    "book" => Illuminate\Database\Eloquent\Collection {#1436 …2}
                    "page" => array:2 [ …2]
                  ]
                  #original: array:24 [
                    "id" => 631331
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "108"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/gabrieljan-uchebnik/13-2"
                    "field_display_title" => "2"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1415 …2}
                    "field_metatags_title" => null
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                    "field_h1" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1416 …2}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1417 …2}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1418 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#1419 …2}
                    "next" => array:2 [ …2]
                    "previous" => array:2 [ …2]
                    "book" => Illuminate\Database\Eloquent\Collection {#1436 …2}
                    "page" => array:2 [ …2]
                  ]
                  #changes: []
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                  #attributeCastCache: []
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                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                2 => App\Models\Task {#1437
                  #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" => 631332
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "108"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/gabrieljan-uchebnik/13-3"
                    "field_display_title" => "3"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1438 …2}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
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                    "field_description_bottom" => null
                    "field_match" => null
                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1439 …2}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1440 …2}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1441 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#1442 …2}
                    "next" => array:2 [ …2]
                    "previous" => array:2 [ …2]
                    "book" => Illuminate\Database\Eloquent\Collection {#1459 …2}
                    "page" => array:2 [ …2]
                  ]
                  #original: array:24 [
                    "id" => 631332
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "108"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/gabrieljan-uchebnik/13-3"
                    "field_display_title" => "3"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1438 …2}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1439 …2}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1440 …2}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1441 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#1442 …2}
                    "next" => array:2 [ …2]
                    "previous" => array:2 [ …2]
                    "book" => Illuminate\Database\Eloquent\Collection {#1459 …2}
                    "page" => array:2 [ …2]
                  ]
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                3 => App\Models\Task {#1460
                  #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" => 631333
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "108"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/gabrieljan-uchebnik/13-4"
                    "field_display_title" => "4"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1461 …2}
                    "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 {#1462 …2}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1463 …2}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1464 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#1465 …2}
                    "next" => array:2 [ …2]
                    "previous" => array:2 [ …2]
                    "book" => Illuminate\Database\Eloquent\Collection {#1476 …2}
                    "page" => array:2 [ …2]
                  ]
                  #original: array:24 [
                    "id" => 631333
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "108"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/gabrieljan-uchebnik/13-4"
                    "field_display_title" => "4"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1461 …2}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
                    "field_description_top" => null
                    "field_description_bottom" => null
                     …10
                  ]
                  #changes: []
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                  #attributeCastCache: []
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                4 => App\Models\Task {#1477
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
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                  #dispatchesEvents: []
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                5 => App\Models\Task {#1488
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                6 => App\Models\Task {#1499
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 903566
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "108"
            "field_url" => "/10-klass/himiya/gabrieljan-uchebnik/page-108"
            "field_display_title" => "108"
            "field_folder" => "1"
            "field_image_name" => "108"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1198}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1197}
            "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 {#1231}
            "content" => Illuminate\Database\Eloquent\Collection {#1232}
            "next" => array:2 [
              "refs" => "903567"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "903565"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#1241}
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
  ]
  #original: array:24 [
    "id" => 631336
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "108"
    "field_page_end" => null
    "field_url" => "/10-klass/himiya/gabrieljan-uchebnik/13-7"
    "field_display_title" => "7"
    "field_outside_task" => null
    "field_task_type" => Illuminate\Database\Eloquent\Collection {#331}
    "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 {#1026}
    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#342}
    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1066}
    "content" => Illuminate\Database\Eloquent\Collection {#1141}
    "next" => array:2 [
      "refs" => "631337"
      "type" => "task"
    ]
    "previous" => array:2 [
      "refs" => "631335"
      "type" => "task"
    ]
    "book" => Illuminate\Database\Eloquent\Collection {#1158}
    "page" => array:2 [
      "refs" => "903566"
      "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 => "*"
  ]
}
№7 (с. 108)
Условие. №7 (с. 108)
Химия, 10 класс Учебник, авторы: Габриелян Олег Саргисович, Остроумов Игорь Геннадьевич, Сладков Сергей Анатольевич, издательство Просвещение, Москва, 2021, белого цвета, страница 108, номер 7, Условие
Решение. №7 (с. 108)
Химия, 10 класс Учебник, авторы: Габриелян Олег Саргисович, Остроумов Игорь Геннадьевич, Сладков Сергей Анатольевич, издательство Просвещение, Москва, 2021, белого цвета, страница 108, номер 7, Решение

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