Страница 151 - гдз по геометрии 10 класс учебник Смирнов, Туяков

Геометрия, 10 класс Учебник, авторы: Смирнов Виктор Анатольевич, Туяков Есенкельды Алыбаевич, издательство Мектеп, Алматы, 2019 Геометрия, 10 класс Учебник, авторы: Смирнов Виктор Анатольевич, Туяков Есенкельды Алыбаевич, издательство Мектеп, Алматы, 2019

Авторы: Смирнов В. А., Туяков Е. А.

Тип: Учебник

Издательство: Мектеп

Год издания: 2019 - 2026

ISBN: 978-601-07-1146-4

Утверждено Министерством образования и науки Республики Казахстан

Cтраница 151

App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php
  #connection: "mysql"
  #table: "book_pages"
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  +incrementing: true
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    "id" => 1115887
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    "field_display_title" => "151"
    "field_folder" => "1"
    "field_image_name" => "151"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008
      #items: []
      #escapeWhenCastingToString: false
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    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1036
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        0 => App\Models\Book {#1006
          #connection: "mysql"
          #table: "books"
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          #attributes: array:50 [
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              #items: array:1 [
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            "field_class" => Illuminate\Database\Eloquent\Collection {#1010
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              ]
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            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1012
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            "field_author" => Illuminate\Database\Eloquent\Collection {#1014
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                1 => App\Models\Term {#1016
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              #escapeWhenCastingToString: false
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                0 => App\Models\Term {#1019
                  #connection: "mysql"
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              ]
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            "field_country" => Illuminate\Database\Eloquent\Collection {#1020
              #items: array:1 [
                0 => App\Models\Term {#1021
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            "field_city" => Illuminate\Database\Eloquent\Collection {#1022
              #items: array:1 [
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                }
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            "field_series" => Illuminate\Database\Eloquent\Collection {#1024
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              #items: []
              #escapeWhenCastingToString: false
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            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1026
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            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1027
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              ]
              1 => array:4 [
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            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1033
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                }
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            "tasks" => Illuminate\Database\Eloquent\Collection {#3841
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                0 => App\Models\Task {#4106
                  #connection: "mysql"
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                }
                1 => App\Models\Task {#4112
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #guarded: array:1 [ …1]
                }
                2 => App\Models\Task {#4117
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                   …14
                }
                3 => App\Models\Task {#4131 …30}
                4 => App\Models\Task {#4145 …30}
                5 => App\Models\Task {#4159 …30}
                6 => App\Models\Task {#4173 …30}
                7 => App\Models\Task {#4187 …30}
                8 => App\Models\Task {#4200 …30}
                9 => App\Models\Task {#4236 …30}
                10 => App\Models\Task {#4223 …30}
                11 => App\Models\Task {#4248 …30}
                12 => App\Models\Task {#4266 …30}
                13 => App\Models\Task {#4280 …30}
                14 => App\Models\Task {#4294 …30}
                15 => App\Models\Task {#4308 …30}
                16 => App\Models\Task {#4322 …30}
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            "content" => Illuminate\Database\Eloquent\Collection {#1079
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            "book" => Illuminate\Database\Eloquent\Collection {#1088
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        2 => App\Models\Task {#1108
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                0 => App\Models\Branch {#1121 …30}
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            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1099
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                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
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          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        3 => App\Models\Task {#1097
          #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" => 1134826
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-15"
            "field_display_title" => "15"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1100
              #items: array:1 [
                0 => App\Models\Term {#1071 …30}
              ]
              #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 {#1142
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1144
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1140
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1139
              #items: array:3 [
                0 => App\Models\Element {#1160 …30}
                1 => App\Models\Element {#1162 …30}
                2 => App\Models\Element {#1164 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1134827"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134825"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1157
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1134826
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-15"
            "field_display_title" => "15"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1100}
            "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 {#1142}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1144}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1140}
            "content" => Illuminate\Database\Eloquent\Collection {#1139}
            "next" => array:2 [
              "refs" => "1134827"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134825"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1157}
            "page" => array:2 [
              "refs" => "1115887"
              "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 {#1141
          #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" => 1134827
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-16"
            "field_display_title" => "16"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1138
              #items: array:1 [
                0 => App\Models\Term {#1071 …30}
              ]
              #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 {#1156
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1158
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1154
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1153
              #items: array:3 [
                0 => App\Models\Element {#1174 …30}
                1 => App\Models\Element {#1176 …30}
                2 => App\Models\Element {#1178 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1134828"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134826"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1171
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1134827
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-16"
            "field_display_title" => "16"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1138}
            "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 {#1156}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1158}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1154}
            "content" => Illuminate\Database\Eloquent\Collection {#1153}
            "next" => array:2 [
              "refs" => "1134828"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134826"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1171}
            "page" => array:2 [
              "refs" => "1115887"
              "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 {#1155
          #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" => 1134828
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-17"
            "field_display_title" => "17"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1152
              #items: array:1 [
                0 => App\Models\Term {#1071 …30}
              ]
              #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 {#1170
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1172
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1168
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1167
              #items: array:3 [
                0 => App\Models\Element {#1188 …30}
                1 => App\Models\Element {#1190 …30}
                2 => App\Models\Element {#1192 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1134829"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134827"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1185
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1134828
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-17"
            "field_display_title" => "17"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1152}
            "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 {#1170}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1172}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1168}
            "content" => Illuminate\Database\Eloquent\Collection {#1167}
            "next" => array:2 [
              "refs" => "1134829"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134827"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1185}
            "page" => array:2 [
              "refs" => "1115887"
              "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 {#1169
          #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" => 1134829
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-18"
            "field_display_title" => "18"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1166
              #items: array:1 [
                0 => App\Models\Term {#1071 …30}
              ]
              #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 {#1184
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1186
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1182
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1181
              #items: array:3 [
                0 => App\Models\Element {#1202 …30}
                1 => App\Models\Element {#1204 …30}
                2 => App\Models\Element {#1206 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1134830"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134828"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1199
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1134829
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-18"
            "field_display_title" => "18"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1166}
            "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 {#1184}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1186}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1182}
            "content" => Illuminate\Database\Eloquent\Collection {#1181}
            "next" => array:2 [
              "refs" => "1134830"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134828"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1199}
            "page" => array:2 [
              "refs" => "1115887"
              "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 {#1183
          #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" => 1134830
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-19"
            "field_display_title" => "19"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1180
              #items: array:1 [
                0 => App\Models\Term {#1071 …30}
              ]
              #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 {#1198
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1200
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1196
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1195
              #items: array:3 [
                0 => App\Models\Element {#1216 …30}
                1 => App\Models\Element {#1218 …30}
                2 => App\Models\Element {#1220 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1134831"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134829"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1213
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1134830
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-19"
            "field_display_title" => "19"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1180}
            "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 {#1198}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1200}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1196}
            "content" => Illuminate\Database\Eloquent\Collection {#1195}
            "next" => array:2 [
              "refs" => "1134831"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134829"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1213}
            "page" => array:2 [
              "refs" => "1115887"
              "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 {#1197
          #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" => 1134831
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-20"
            "field_display_title" => "20"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1194
              #items: array:1 [
                0 => App\Models\Term {#1071 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1212
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1214
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1210
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1209
              #items: array:3 [
                0 => App\Models\Element {#1230 …30}
                1 => App\Models\Element {#1232 …30}
                2 => App\Models\Element {#1234 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1134832"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134830"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1227
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
            ]
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            "id" => 1134831
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-20"
            "field_display_title" => "20"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1194}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1212}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1214}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1210}
            "content" => Illuminate\Database\Eloquent\Collection {#1209}
            "next" => array:2 [
              "refs" => "1134832"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134830"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1227}
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
            ]
          ]
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          #attributeCastCache: []
          #dateFormat: null
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          #dispatchesEvents: []
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          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        9 => App\Models\Task {#1211
          #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" => 1134832
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-21"
            "field_display_title" => "21"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1208
              #items: array:1 [
                0 => App\Models\Term {#1071 …30}
              ]
              #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 {#1226
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1228
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1224
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1223
              #items: array:3 [
                0 => App\Models\Element {#1244 …30}
                1 => App\Models\Element {#1246 …30}
                2 => App\Models\Element {#1248 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1134833"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134831"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1241
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1134832
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-21"
            "field_display_title" => "21"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1208}
            "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 {#1226}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1228}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1224}
            "content" => Illuminate\Database\Eloquent\Collection {#1223}
            "next" => array:2 [
              "refs" => "1134833"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134831"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1241}
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
            ]
          ]
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          #attributeCastCache: []
          #dateFormat: null
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          #touches: []
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        10 => App\Models\Task {#1225
          #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" => 1134833
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-22"
            "field_display_title" => "22"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1222
              #items: array:1 [
                0 => App\Models\Term {#1071 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1240
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1242
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1238
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1237
              #items: array:3 [
                0 => App\Models\Element {#1258 …30}
                1 => App\Models\Element {#1260 …30}
                2 => App\Models\Element {#1262 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1134834"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134832"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1255
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
            ]
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          #original: array:24 [
            "id" => 1134833
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-22"
            "field_display_title" => "22"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1222}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1240}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1242}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1238}
            "content" => Illuminate\Database\Eloquent\Collection {#1237}
            "next" => array:2 [
              "refs" => "1134834"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134832"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1255}
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
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          #attributeCastCache: []
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          #touches: []
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            0 => "*"
          ]
        }
        11 => App\Models\Task {#1239
          #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" => 1134834
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-23"
            "field_display_title" => "23"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1236
              #items: array:1 [
                0 => App\Models\Term {#1071 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1254
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1256
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1252
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1251
              #items: array:3 [
                0 => App\Models\Element {#1272 …30}
                1 => App\Models\Element {#1274 …30}
                2 => App\Models\Element {#1276 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1134835"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134833"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1269
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1134834
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-23"
            "field_display_title" => "23"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1236}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1254}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1256}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1252}
            "content" => Illuminate\Database\Eloquent\Collection {#1251}
            "next" => array:2 [
              "refs" => "1134835"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134833"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1269}
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
            ]
          ]
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          #attributeCastCache: []
          #dateFormat: null
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          #touches: []
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        12 => App\Models\Task {#1253
          #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" => 1134835
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-24"
            "field_display_title" => "24"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1250
              #items: array:1 [
                0 => App\Models\Term {#1071 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1268
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1270
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1266
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1265
              #items: array:3 [
                0 => App\Models\Element {#1286 …30}
                1 => App\Models\Element {#1288 …30}
                2 => App\Models\Element {#1290 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1134836"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134834"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1283
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
            ]
          ]
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            "id" => 1134835
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-24"
            "field_display_title" => "24"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1250}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1268}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1270}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1266}
            "content" => Illuminate\Database\Eloquent\Collection {#1265}
            "next" => array:2 [
              "refs" => "1134836"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134834"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1283}
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
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          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        13 => App\Models\Task {#1267
          #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" => 1134836
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-25"
            "field_display_title" => "25"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1264
              #items: array:1 [
                0 => App\Models\Term {#1071 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1282
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1284
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1280
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1279
              #items: array:3 [
                0 => App\Models\Element {#1300 …30}
                1 => App\Models\Element {#1302 …30}
                2 => App\Models\Element {#1304 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1134837"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134835"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1297
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1115887"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1134836
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "151"
            "field_page_end" => null
            "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/povt150-25"
            "field_display_title" => "25"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1264}
            "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 {#1282}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1284}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1280}
            "content" => Illuminate\Database\Eloquent\Collection {#1279}
            "next" => array:2 [
              "refs" => "1134837"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1134835"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1297}
            "page" => array:2 [
              "refs" => "1115887"
              "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" => 1115887
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "151"
    "field_url" => "/10-klass/geometrija/mektep-smirnov-uchebnik-2019/page-151"
    "field_display_title" => "151"
    "field_folder" => "1"
    "field_image_name" => "151"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1036}
    "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 {#1034}
    "content" => Illuminate\Database\Eloquent\Collection {#1045}
    "next" => array:2 [
      "refs" => "1115888"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1115886"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1038}
  ]
  #changes: []
  #casts: []
  #classCastCache: []
  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Геометрия, 10 класс Учебник, авторы: Смирнов Виктор Анатольевич, Туяков Есенкельды Алыбаевич, издательство Мектеп, Алматы, 2019, страница 151
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