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Страница 260 - гдз по физике 10 класс учебник Касьянов
Авторы: Касьянов В. А.
Тип: Учебник
Издательство: Просвещение
Год издания: 2021 - 2026
Уровень обучения: углублённый
Цвет обложки: белый самолет и молнии изображены
ISBN: 978-5-09-103621-3
Популярные ГДЗ в 10 классе
Cтраница 260
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" => 1390908 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "260" "field_url" => "/10-klass/fizika/kasyanov-uchebnik/page-260" "field_display_title" => "260" "field_folder" => "1" "field_image_name" => "260" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008 #items: [] #escapeWhenCastingToString: false } "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1039 #items: array:1 [ 0 => App\Models\Book {#1006 #connection: "mysql" #table: "books" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:50 [ "id" => 7000 "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 {#1009 #items: array:1 [ 0 => App\Models\Term {#1007 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:10 [ "id" => 6493 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "name" => "Физика" "field_abbreviated_name" => null "field_cases" => array:6 [ "field_accusative_case" => "физику" "field_creative_case" => "физикой" "field_dative_case" => "физике" "field_genitive_case" => "физики" "field_nominative_case" => "физика" "field_prepositional_case" => "физике" ] "field_foreign_lang_name" => null "field_short_name" => null "field_subject_type" => "technical_subject" "field_translit" => "fizika" ] #original: array:10 [ "id" => 6493 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "name" => "Физика" "field_abbreviated_name" => null "field_cases" => array:6 [ "field_accusative_case" => "физику" "field_creative_case" => "физикой" "field_dative_case" => "физике" "field_genitive_case" => "физики" "field_nominative_case" => "физика" "field_prepositional_case" => "физике" ] "field_foreign_lang_name" => null "field_short_name" => null "field_subject_type" => "technical_subject" "field_translit" => "fizika" ] #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_class" => Illuminate\Database\Eloquent\Collection {#1010 #items: array:1 [ 0 => App\Models\Term {#1011 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 5459 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "name" => "10" "field_cases" => array:6 [ "field_accusative_case" => "десятый" "field_creative_case" => "десятым" "field_dative_case" => "десятому" "field_genitive_case" => "десятого" "field_nominative_case" => "десятый" "field_prepositional_case" => "десятом" ] "field_translit" => "desjatyj" ] #original: array:6 [ "id" => 5459 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "name" => "10" "field_cases" => array:6 [ "field_accusative_case" => "десятый" "field_creative_case" => "десятым" "field_dative_case" => "десятому" "field_genitive_case" => "десятого" "field_nominative_case" => "десятый" "field_prepositional_case" => "десятом" ] "field_translit" => "desjatyj" ] #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_publisher" => Illuminate\Database\Eloquent\Collection {#1012 #items: array:1 [ 0 => App\Models\Term {#1013 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 5153 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "name" => "Просвещение" "field_cases" => null "field_translit" => "prosveschenie" ] #original: array:6 [ "id" => 5153 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "name" => "Просвещение" "field_cases" => null "field_translit" => "prosveschenie" ] #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" => Illuminate\Database\Eloquent\Collection {#1014 #items: array:1 [ 0 => App\Models\Term {#1015 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:12 [ "id" => 4566 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "name" => "Касьянов" "field_bio" => null "field_degree_rp" => null "field_foreign_lang_name" => null "field_foreign_lang_patronymic" => null "field_foreign_lang_surname" => null "field_name" => "Валерий" "field_patronymic" => "Алексеевич" "field_surname_rp" => null ] #original: array:12 [ "id" => 4566 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "name" => "Касьянов" "field_bio" => null "field_degree_rp" => null "field_foreign_lang_name" => null "field_foreign_lang_patronymic" => null "field_foreign_lang_surname" => null "field_name" => "Валерий" "field_patronymic" => "Алексеевич" "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 {#1016 #items: [] #escapeWhenCastingToString: false } "field_book_type" => Illuminate\Database\Eloquent\Collection {#1017 #items: array:1 [ 0 => App\Models\Term {#1018 #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 [ "field_accusative_case" => "учебник" "field_creative_case" => "учебником" "field_dative_case" => "учебнику" "field_genitive_case" => "учебника" "field_nominative_case" => "учебник" "field_prepositional_case" => "учебнике" ] "field_plural_form" => null "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 [ "field_accusative_case" => "учебник" "field_creative_case" => "учебником" "field_dative_case" => "учебнику" "field_genitive_case" => "учебника" "field_nominative_case" => "учебник" "field_prepositional_case" => "учебнике" ] "field_plural_form" => null "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 {#1019 #items: array:1 [ 0 => App\Models\Term {#1020 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 9 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "name" => "Россия" "field_cases" => array:6 [ "field_accusative_case" => null "field_creative_case" => null "field_dative_case" => null "field_genitive_case" => null "field_nominative_case" => null "field_prepositional_case" => null ] "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 [ "field_accusative_case" => null "field_creative_case" => null "field_dative_case" => null "field_genitive_case" => null "field_nominative_case" => null "field_prepositional_case" => null ] "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 {#1021 #items: array:1 [ 0 => App\Models\Term {#1022 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 15 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "name" => "Москва" "field_cases" => array:6 [ "field_accusative_case" => null "field_creative_case" => null "field_dative_case" => null "field_genitive_case" => null "field_nominative_case" => null "field_prepositional_case" => null ] "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 [ "field_accusative_case" => null "field_creative_case" => null "field_dative_case" => null "field_genitive_case" => null "field_nominative_case" => null "field_prepositional_case" => null ] "field_translit" => "moskva" ] #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_series" => Illuminate\Database\Eloquent\Collection {#1023 #items: [] #escapeWhenCastingToString: false } "field_umk" => Illuminate\Database\Eloquent\Collection {#1024 #items: [] #escapeWhenCastingToString: false } "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1025 #items: array:1 [ 0 => App\Models\Term {#1026 #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 [ "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" "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" ] #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_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1027 #items: array:1 [ 0 => App\Models\Term {#1028 #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 [ "field_accusative_case" => null "field_creative_case" => null "field_dative_case" => null "field_genitive_case" => null "field_nominative_case" => null "field_prepositional_case" => null ] "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 [ "field_accusative_case" => null "field_creative_case" => null "field_dative_case" => null "field_genitive_case" => null "field_nominative_case" => null "field_prepositional_case" => null ] "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" => "11" "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1029 #items: array:1 [ 0 => App\Models\Term {#1030 #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" => 33 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "name" => "стереотипное" "field_cases" => array:6 [ "field_accusative_case" => null "field_creative_case" => null "field_dative_case" => null "field_genitive_case" => null "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 [ "field_accusative_case" => null "field_creative_case" => null "field_dative_case" => null "field_genitive_case" => null "field_nominative_case" => null "field_prepositional_case" => null ] "field_translit" => "stereotipnoe" ] #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_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1031 #items: [] #escapeWhenCastingToString: false } "field_under_the_edition_degree" => null "field_cover_description" => "самолет и молнии изображены" "field_publication_year" => "2021" "field_publication_year_until" => null "field_part" => "" "field_part_writing" => "" "field_second_foreign_language" => null "field_for_whom" => "Учебное издание" "field_allowed" => null "field_reserve_field" => null "field_link_to_source" => null "field_tasks_count" => "984" "field_priority" => null "field_default_folder" => "/fizika_10/kasyanov-u/" "field_isbn" => "978-5-09-103621-3" "field_cover" => array:1 [ 0 => "/media/fizika_10/kasyanov-u/covers/cover1.webp?ts=1757588862" ] "field_cover_alts" => array:1 [ 0 => "" ] "field_covers" => array:1 [ 0 => array:4 [ "path" => "/media/fizika_10/kasyanov-u/covers/cover1.webp?ts=1757588862" "alt" => "" "width" => "1604" "height" => "2397" ] ] "field_popular_book" => "0" "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1032 #items: [] #escapeWhenCastingToString: false } "field_new_book" => Illuminate\Database\Eloquent\Collection {#1033 #items: [] #escapeWhenCastingToString: false } "field_old_book" => Illuminate\Database\Eloquent\Collection {#1034 #items: [] #escapeWhenCastingToString: false } "field_url" => "/10-klass/fizika/kasyanov-uchebnik" "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1035 #items: array:1 [ 0 => App\Models\Term {#1036 #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: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #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" => 556 "class_subject" => 494 ] ] #original: array:50 [ "id" => 7000 "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 {#1009} "field_class" => Illuminate\Database\Eloquent\Collection {#1010} "field_publisher" => Illuminate\Database\Eloquent\Collection {#1012} "field_author" => Illuminate\Database\Eloquent\Collection {#1014} "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1016} "field_book_type" => Illuminate\Database\Eloquent\Collection {#1017} "field_country" => Illuminate\Database\Eloquent\Collection {#1019} "field_city" => Illuminate\Database\Eloquent\Collection {#1021} "field_series" => Illuminate\Database\Eloquent\Collection {#1023} "field_umk" => Illuminate\Database\Eloquent\Collection {#1024} "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1025} "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1027} "field_publication_number" => "11" "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1029} "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1031} "field_under_the_edition_degree" => null "field_cover_description" => "самолет и молнии изображены" "field_publication_year" => "2021" "field_publication_year_until" => null "field_part" => "" "field_part_writing" => "" "field_second_foreign_language" => null "field_for_whom" => "Учебное издание" "field_allowed" => null "field_reserve_field" => null "field_link_to_source" => null "field_tasks_count" => "984" "field_priority" => null "field_default_folder" => "/fizika_10/kasyanov-u/" "field_isbn" => "978-5-09-103621-3" "field_cover" => array:1 [ 0 => "/media/fizika_10/kasyanov-u/covers/cover1.webp?ts=1757588862" ] "field_cover_alts" => array:1 [ 0 => "" ] "field_covers" => array:1 [ 0 => array:4 [ "path" => "/media/fizika_10/kasyanov-u/covers/cover1.webp?ts=1757588862" "alt" => "" "width" => "1604" "height" => "2397" ] ] "field_popular_book" => "0" "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1032} "field_new_book" => Illuminate\Database\Eloquent\Collection {#1033} "field_old_book" => Illuminate\Database\Eloquent\Collection {#1034} "field_url" => "/10-klass/fizika/kasyanov-uchebnik" "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1035} "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" => 556 "class_subject" => 494 ] ] #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_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "edition_groups" => Illuminate\Database\Eloquent\Collection {#1037 #items: [] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1048 #items: array:1 [ 0 => App\Models\Element {#1047 #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" => 1641408 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1057 #items: array:1 [ 0 => App\Models\Edition {#1049 #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" => 5810 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "title" => "Условие" "field_order" => "1" "field_publisher" => Illuminate\Database\Eloquent\Collection {#1051 #items: array:1 [ 0 => 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 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_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" => "stas" "field_edition_type" => "statement" "field_root_dir" => "0-" "field_responsible" => Illuminate\Database\Eloquent\Collection {#1052 #items: [] #escapeWhenCastingToString: false } "field_comment" => null "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1053 #items: [] #escapeWhenCastingToString: false } "field_process_formula" => "katex" "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1054 #items: [] #escapeWhenCastingToString: false } "field_content_source" => null ] #original: array:21 [ "id" => 5810 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "title" => "Условие" "field_order" => "1" "field_publisher" => Illuminate\Database\Eloquent\Collection {#1051} "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" => "stas" "field_edition_type" => "statement" "field_root_dir" => "0-" "field_responsible" => Illuminate\Database\Eloquent\Collection {#1052} "field_comment" => null "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1053} "field_process_formula" => "katex" "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1054} "field_content_source" => 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 } "book_page" => array:2 [ "refs" => "1390908" "type" => "book_page" ] "img" => array:1 [ 0 => array:5 [ "name" => "260-1.jpg" "alt" => null "width" => "1861" "height" => 2528 "path" => "/media/fizika_10/kasyanov-u/0-1/260-1.webp?ts=1757958701" ] ] ] #original: array:6 [ "id" => 1641408 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1057} "book_page" => array:2 [ "refs" => "1390908" "type" => "book_page" ] "img" => array:1 [ 0 => array:5 [ "name" => "260-1.jpg" "alt" => null "width" => "1861" "height" => 2528 "path" => "/media/fizika_10/kasyanov-u/0-1/260-1.webp?ts=1757958701" ] ] ] #changes: [] #casts: [] #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 {#4711 #items: array:1 [ 0 => App\Models\BookPage {#4710 #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" => 1390909 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "261" "field_url" => "/10-klass/fizika/kasyanov-uchebnik/page-261" "field_display_title" => "261" "field_folder" => "1" "field_image_name" => "261" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4729 #items: [] #escapeWhenCastingToString: false } "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#4728 #items: array:1 [ 0 => App\Models\Book {#1006} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "edition_groups" => Illuminate\Database\Eloquent\Collection {#4727 #items: [] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#4713 #items: array:1 [ 0 => App\Models\Element {#4714 #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" => 1641409 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#4901 #items: array:1 [ 0 => App\Models\Edition {#1049} ] #escapeWhenCastingToString: false } "book_page" => array:2 [ "refs" => "1390909" "type" => "book_page" ] "img" => array:1 [ 0 => array:5 [ "name" => "261-1.jpg" "alt" => null "width" => "1874" "height" => 2538 "path" => "/media/fizika_10/kasyanov-u/0-1/261-1.webp?ts=1757958701" ] ] ] #original: array:6 [ "id" => 1641409 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#4901} "book_page" => array:2 [ "refs" => "1390909" "type" => "book_page" ] "img" => array:1 [ 0 => array:5 [ "name" => "261-1.jpg" "alt" => null "width" => "1874" "height" => 2538 "path" => "/media/fizika_10/kasyanov-u/0-1/261-1.webp?ts=1757958701" ] ] ] #changes: [] #casts: [] #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" => "1390910" "type" => "book_page" ] "previous" => array:2 [ "refs" => "1390908" "type" => "book_page" ] "tasks" => Illuminate\Database\Eloquent\Collection {#4725 #items: [] #escapeWhenCastingToString: false } ] #original: array:21 [ "id" => 1390909 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "261" "field_url" => "/10-klass/fizika/kasyanov-uchebnik/page-261" "field_display_title" => "261" "field_folder" => "1" "field_image_name" => "261" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4729} "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#4728} "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 {#4727} "content" => Illuminate\Database\Eloquent\Collection {#4713} "next" => array:2 [ "refs" => "1390910" "type" => "book_page" ] "previous" => array:2 [ "refs" => "1390908" "type" => "book_page" ] "tasks" => Illuminate\Database\Eloquent\Collection {#4725} ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "previous" => Illuminate\Database\Eloquent\Collection {#4706 #items: array:1 [ 0 => App\Models\BookPage {#4705 #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" => 1390907 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_url" => "/10-klass/fizika/kasyanov-uchebnik/page-259" "field_display_title" => "259" "field_folder" => "1" "field_image_name" => "259" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4707 #items: [] #escapeWhenCastingToString: false } "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#4708 #items: array:1 [ 0 => App\Models\Book {#1006} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "edition_groups" => Illuminate\Database\Eloquent\Collection {#4709 #items: [] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#4719 #items: array:1 [ 0 => App\Models\Element {#4718 #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" => 1641407 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#4720 #items: array:1 [ 0 => App\Models\Edition {#1049} ] #escapeWhenCastingToString: false } "book_page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] "img" => array:1 [ 0 => array:5 [ "name" => "259-1.jpg" "alt" => null "width" => "1861" "height" => 2528 "path" => "/media/fizika_10/kasyanov-u/0-1/259-1.webp?ts=1757958701" ] ] ] #original: array:6 [ "id" => 1641407 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#4720} "book_page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] "img" => array:1 [ 0 => array:5 [ "name" => "259-1.jpg" "alt" => null "width" => "1861" "height" => 2528 "path" => "/media/fizika_10/kasyanov-u/0-1/259-1.webp?ts=1757958701" ] ] ] #changes: [] #casts: [] #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" => "1390908" "type" => "book_page" ] "previous" => array:2 [ "refs" => "1390906" "type" => "book_page" ] "tasks" => Illuminate\Database\Eloquent\Collection {#4712 #items: array:10 [ 0 => App\Models\Task {#4732 #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" => 1390146 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53vopr-1" "field_display_title" => "1" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4736 #items: array:1 [ 0 => App\Models\Term {#4733 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] …24 } ] #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 {#4735 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4745 #items: array:1 [ 0 => App\Models\Branch {#4744 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#4778 #items: array:4 [ 0 => App\Models\Branch {#4788 …30} 1 => App\Models\Branch {#4792 …30} 2 => App\Models\Branch {#4796 …30} 3 => App\Models\Branch {#4801 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#4737 #items: array:2 [ 0 => App\Models\Element {#4769 …30} 1 => App\Models\Element {#4768 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1390147" "type" => "task" ] "previous" => array:2 [ "refs" => "1390145" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4772 #items: array:1 [ 0 => App\Models\Book {#1006} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #original: array:24 [ "id" => 1390146 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53vopr-1" "field_display_title" => "1" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4736} "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 {#4735} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4745} "parent_branches" => Illuminate\Database\Eloquent\Collection {#4778} "content" => Illuminate\Database\Eloquent\Collection {#4737} "next" => array:2 [ "refs" => "1390147" "type" => "task" ] "previous" => array:2 [ "refs" => "1390145" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4772} "page" => array:2 [ "refs" => "1390907" "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 {#4775 #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" => 1390147 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53vopr-2" "field_display_title" => "2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4786 #items: array:1 [ 0 => App\Models\Term {#4733 …24} ] #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 {#4770 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4773 #items: array:1 [ 0 => App\Models\Branch {#4788 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#4738 #items: array:4 [ 0 => App\Models\Branch {#4788 …30} 1 => App\Models\Branch {#4792 …30} 2 => App\Models\Branch {#4796 …30} 3 => App\Models\Branch {#4801 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#4741 #items: array:2 [ 0 => App\Models\Element {#4750 …30} 1 => App\Models\Element {#4740 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1390148" "type" => "task" ] "previous" => array:2 [ "refs" => "1390146" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4754 #items: array:1 [ 0 => App\Models\Book {#1006} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #original: array:24 [ "id" => 1390147 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53vopr-2" "field_display_title" => "2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4786} "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 {#4770} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4773} "parent_branches" => Illuminate\Database\Eloquent\Collection {#4738} "content" => Illuminate\Database\Eloquent\Collection {#4741} "next" => array:2 [ "refs" => "1390148" "type" => "task" ] "previous" => array:2 [ "refs" => "1390146" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4754} "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 2 => App\Models\Task {#4759 #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" => 1390148 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53vopr-3" "field_display_title" => "3" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4774 #items: array:1 [ 0 => App\Models\Term {#4733 …24} ] #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 {#4753 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4755 #items: array:1 [ 0 => App\Models\Branch {#4788 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#4760 #items: array:4 [ 0 => App\Models\Branch {#4788 …30} 1 => App\Models\Branch {#4792 …30} 2 => App\Models\Branch {#4796 …30} 3 => App\Models\Branch {#4801 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#4758 #items: array:2 [ 0 => App\Models\Element {#4781 …30} 1 => App\Models\Element {#4782 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1390149" "type" => "task" ] "previous" => array:2 [ "refs" => "1390147" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4784 #items: array:1 [ 0 => App\Models\Book {#1006} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #original: array:24 [ "id" => 1390148 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53vopr-3" "field_display_title" => "3" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4774} "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 {#4753} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4755} "parent_branches" => Illuminate\Database\Eloquent\Collection {#4760} "content" => Illuminate\Database\Eloquent\Collection {#4758} "next" => array:2 [ "refs" => "1390149" "type" => "task" ] "previous" => array:2 [ "refs" => "1390147" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4784} "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 3 => App\Models\Task {#4739 #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" => 1390149 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53vopr-4" "field_display_title" => "4" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4756 #items: array:1 [ 0 => App\Models\Term {#4733 …24} ] #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 {#4785 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4777 #items: array:1 [ 0 => App\Models\Branch {#4788 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#4742 #items: array:4 [ 0 => App\Models\Branch {#4788 …30} 1 => App\Models\Branch {#4792 …30} 2 => App\Models\Branch {#4796 …30} 3 => App\Models\Branch {#4801 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#4734 #items: array:2 [ 0 => App\Models\Element {#4823 …30} 1 => App\Models\Element {#4825 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1390150" "type" => "task" ] "previous" => array:2 [ "refs" => "1390148" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4812 #items: array:1 [ 0 => App\Models\Book {#1006} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #original: array:24 [ "id" => 1390149 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53vopr-4" "field_display_title" => "4" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4756} "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 {#4785} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4777} "parent_branches" => Illuminate\Database\Eloquent\Collection {#4742} "content" => Illuminate\Database\Eloquent\Collection {#4734} "next" => array:2 [ "refs" => "1390150" "type" => "task" ] "previous" => array:2 [ "refs" => "1390148" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4812} "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 4 => App\Models\Task {#4805 #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" => 1390150 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53vopr-5" "field_display_title" => "5" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4776 #items: array:1 [ 0 => App\Models\Term {#4733 …24} ] #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 {#4822 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4803 #items: array:1 [ 0 => App\Models\Branch {#4788 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#4802 #items: array:4 [ 0 => App\Models\Branch {#4788 …30} 1 => App\Models\Branch {#4792 …30} 2 => App\Models\Branch {#4796 …30} 3 => App\Models\Branch {#4801 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#4813 #items: array:2 [ 0 => App\Models\Element {#4835 …30} 1 => App\Models\Element {#4837 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1390151" "type" => "task" ] "previous" => array:2 [ "refs" => "1390149" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4832 #items: array:1 [ 0 => App\Models\Book {#1006} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #original: array:24 [ "id" => 1390150 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53vopr-5" "field_display_title" => "5" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4776} "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 {#4822} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4803} "parent_branches" => Illuminate\Database\Eloquent\Collection {#4802} "content" => Illuminate\Database\Eloquent\Collection {#4813} "next" => array:2 [ "refs" => "1390151" "type" => "task" ] "previous" => array:2 [ "refs" => "1390149" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4832} "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 5 => App\Models\Task {#4827 #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" => 1390151 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53zad-1" "field_display_title" => "1" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4814 #items: array:1 [ 0 => App\Models\Term {#4733 …24} ] #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 {#4834 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4830 #items: array:1 [ 0 => App\Models\Branch {#4788 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#4953 #items: array:4 [ 0 => App\Models\Branch {#4963 …30} 1 => App\Models\Branch {#4967 …30} 2 => App\Models\Branch {#4971 …30} 3 => App\Models\Branch {#4975 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#4908 #items: array:2 [ 0 => App\Models\Element {#4941 …30} 1 => App\Models\Element {#4938 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1390152" "type" => "task" ] "previous" => array:2 [ "refs" => "1390150" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4949 #items: array:1 [ 0 => App\Models\Book {#1006} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #original: array:24 [ "id" => 1390151 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53zad-1" "field_display_title" => "1" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4814} "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 {#4834} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4830} "parent_branches" => Illuminate\Database\Eloquent\Collection {#4953} "content" => Illuminate\Database\Eloquent\Collection {#4908} "next" => array:2 [ "refs" => "1390152" "type" => "task" ] "previous" => array:2 [ "refs" => "1390150" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4949} "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 6 => App\Models\Task {#4942 #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" => 1390152 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53zad-2" "field_display_title" => "2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4961 #items: array:1 [ 0 => App\Models\Term {#4733 …24} ] #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 {#4940 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4947 #items: array:1 [ 0 => App\Models\Branch {#4963 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#4943 #items: array:4 [ 0 => App\Models\Branch {#4963 …30} 1 => App\Models\Branch {#4967 …30} 2 => App\Models\Branch {#4971 …30} 3 => App\Models\Branch {#4975 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#4946 #items: array:2 [ 0 => App\Models\Element {#4928 …30} 1 => App\Models\Element {#4927 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1390153" "type" => "task" ] "previous" => array:2 [ "refs" => "1390151" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4930 #items: array:1 [ 0 => App\Models\Book {#1006} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #original: array:24 [ "id" => 1390152 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53zad-2" "field_display_title" => "2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4961} "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 {#4940} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4947} "parent_branches" => Illuminate\Database\Eloquent\Collection {#4943} "content" => Illuminate\Database\Eloquent\Collection {#4946} "next" => array:2 [ "refs" => "1390153" "type" => "task" ] "previous" => array:2 [ "refs" => "1390151" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4930} "page" => array:2 [ "refs" => "1390907" "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 => App\Models\Task {#4936 #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" => 1390153 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53zad-3" "field_display_title" => "3" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4950 #items: array:1 [ 0 => App\Models\Term {#4733 …24} ] #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 {#4929 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4932 #items: array:1 [ 0 => App\Models\Branch {#4963 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#4934 #items: array:4 [ 0 => App\Models\Branch {#4963 …30} 1 => App\Models\Branch {#4967 …30} 2 => App\Models\Branch {#4971 …30} 3 => App\Models\Branch {#4975 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#4935 #items: array:2 [ 0 => App\Models\Element {#4915 …30} 1 => App\Models\Element {#4913 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1390154" "type" => "task" ] "previous" => array:2 [ "refs" => "1390152" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4920 #items: array:1 [ 0 => App\Models\Book {#1006} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #original: array:24 [ "id" => 1390153 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53zad-3" "field_display_title" => "3" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4950} "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 {#4929} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4932} "parent_branches" => Illuminate\Database\Eloquent\Collection {#4934} "content" => Illuminate\Database\Eloquent\Collection {#4935} "next" => array:2 [ "refs" => "1390154" "type" => "task" ] "previous" => array:2 [ "refs" => "1390152" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4920} "page" => array:2 [ "refs" => "1390907" "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 => "*" ] } 8 => App\Models\Task {#4925 #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" => 1390154 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53zad-4" "field_display_title" => "4" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4933 #items: array:1 [ 0 => App\Models\Term {#4733 …24} ] #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 {#4918 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4921 #items: array:1 [ 0 => App\Models\Branch {#4963 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#4922 #items: array:4 [ 0 => App\Models\Branch {#4963 …30} 1 => App\Models\Branch {#4967 …30} 2 => App\Models\Branch {#4971 …30} 3 => App\Models\Branch {#4975 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#4923 #items: array:2 [ 0 => App\Models\Element {#4904 …30} 1 => App\Models\Element {#4906 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1390155" "type" => "task" ] "previous" => array:2 [ "refs" => "1390153" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4910 #items: array:1 [ 0 => App\Models\Book {#1006} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #original: array:24 [ "id" => 1390154 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53zad-4" "field_display_title" => "4" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4933} "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 {#4918} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4921} "parent_branches" => Illuminate\Database\Eloquent\Collection {#4922} "content" => Illuminate\Database\Eloquent\Collection {#4923} "next" => array:2 [ "refs" => "1390155" "type" => "task" ] "previous" => array:2 [ "refs" => "1390153" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4910} "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 9 => App\Models\Task {#4948 #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" => 1390155 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53zad-5" "field_display_title" => "5" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4919 #items: array:1 [ 0 => App\Models\Term {#4733 …24} ] #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 {#4903 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4911 #items: array:1 [ 0 => App\Models\Branch {#4963 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#4945 #items: array:4 [ 0 => App\Models\Branch {#4963 …30} 1 => App\Models\Branch {#4967 …30} 2 => App\Models\Branch {#4971 …30} 3 => App\Models\Branch {#4975 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#4944 #items: array:2 [ 0 => App\Models\Element {#4893 …30} 1 => App\Models\Element {#4891 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1390156" "type" => "task" ] "previous" => array:2 [ "refs" => "1390154" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4897 #items: array:1 [ 0 => App\Models\Book {#1006} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1390907" "type" => "book_page" ] ] #original: array:24 [ "id" => 1390155 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_page_end" => null "field_url" => "/10-klass/fizika/kasyanov-uchebnik/53zad-5" "field_display_title" => "5" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#4919} "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 {#4903} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4911} "parent_branches" => Illuminate\Database\Eloquent\Collection {#4945} "content" => Illuminate\Database\Eloquent\Collection {#4944} "next" => array:2 [ "refs" => "1390156" "type" => "task" ] "previous" => array:2 [ "refs" => "1390154" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#4897} "page" => array:2 [ "refs" => "1390907" "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 => "*" ] } ] #escapeWhenCastingToString: false } ] #original: array:21 [ "id" => 1390907 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "259" "field_url" => "/10-klass/fizika/kasyanov-uchebnik/page-259" "field_display_title" => "259" "field_folder" => "1" "field_image_name" => "259" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4707} "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#4708} "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 {#4709} "content" => Illuminate\Database\Eloquent\Collection {#4719} "next" => array:2 [ "refs" => "1390908" "type" => "book_page" ] "previous" => array:2 [ "refs" => "1390906" "type" => "book_page" ] "tasks" => Illuminate\Database\Eloquent\Collection {#4712} ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "tasks" => Illuminate\Database\Eloquent\Collection {#1040 #items: [] #escapeWhenCastingToString: false } ] #original: array:21 [ "id" => 1390908 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "260" "field_url" => "/10-klass/fizika/kasyanov-uchebnik/page-260" "field_display_title" => "260" "field_folder" => "1" "field_image_name" => "260" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008} "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1039} "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 {#1037} "content" => Illuminate\Database\Eloquent\Collection {#1048} "next" => array:2 [ "refs" => "1390909" "type" => "book_page" ] "previous" => array:2 [ "refs" => "1390907" "type" => "book_page" ] "tasks" => Illuminate\Database\Eloquent\Collection {#1040} ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] }
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