Страница 150 - гдз по физике 8 класс учебник Хижнякова, Синявина

Физика, 8 класс Учебник, авторы: Хижнякова Людмила Степановна, Синявина Анна Афанасьевна, издательство Вентана-граф, Москва, 2011, серого цвета

Авторы: Хижнякова Л. С., Синявина А. А.

Тип: Учебник

Серия: алгоритм успеха

Издательство: Вентана-граф

Год издания: 2011 - 2026

Цвет обложки: серый

ISBN: 978-5-360-09134-9

Cтраница 150

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" => 1499184
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "150"
    "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/page-150"
    "field_display_title" => "150"
    "field_folder" => "1"
    "field_image_name" => "150"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008
      #items: []
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1038
      #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
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          #escapeWhenCastingToString: false
          #attributes: array:50 [
            "id" => 2040
            "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
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                  #attributes: array:10 [
                    "id" => 6493
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
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                      "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"
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                  ]
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            }
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                      "field_prepositional_case" => "восьмом"
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              ]
              #escapeWhenCastingToString: false
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            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1012
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                0 => App\Models\Term {#1013
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                    "created_at" => "2026-04-10 13:58:26"
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              ]
              #escapeWhenCastingToString: false
            }
            "field_author" => Illuminate\Database\Eloquent\Collection {#1014
              #items: array:2 [
                0 => App\Models\Term {#1015
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
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                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:12 [
                    "id" => 6112
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Хижнякова"
                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Людмила"
                    "field_patronymic" => "Степановна"
                    "field_surname_rp" => null
                  ]
                  #original: array:12 [
                    "id" => 6112
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
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                    "field_foreign_lang_patronymic" => null
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                    "field_name" => "Людмила"
                    "field_patronymic" => "Степановна"
                    "field_surname_rp" => null
                  ]
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                    0 => "*"
                  ]
                }
                1 => App\Models\Term {#1016
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
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                  +incrementing: false
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                  #attributes: array:12 [
                    "id" => 5769
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
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                    "field_bio" => null
                    "field_degree_rp" => null
                    "field_foreign_lang_name" => null
                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Анна"
                    "field_patronymic" => "Афанасьевна"
                    "field_surname_rp" => null
                  ]
                  #original: array:12 [
                    "id" => 5769
                    "created_at" => "2026-04-10 13:58:26"
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                    "field_surname_rp" => null
                  ]
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1017
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1018
              #items: array:1 [
                0 => App\Models\Term {#1019
                  #connection: "mysql"
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                    "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"
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                      "field_genitive_case" => "учебника"
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                      "field_prepositional_case" => "учебнике"
                    ]
                    "field_plural_form" => null
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                    "field_translit" => "uchebnik"
                  ]
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                    ]
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                    "field_translit" => "uchebnik"
                  ]
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                0 => App\Models\Term {#1021
                  #connection: "mysql"
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                    ]
                    "field_translit" => "rossiya"
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            "field_series" => Illuminate\Database\Eloquent\Collection {#1024
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                0 => App\Models\Term {#1025
                  #connection: "mysql"
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                    "field_transcription_eng" => null
                    "field_translit" => "algoritm uspekha"
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            }
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            "field_cover_description" => null
            "field_publication_year" => "2011"
            "field_publication_year_until" => null
            "field_part" => ""
            "field_part_writing" => ""
            "field_second_foreign_language" => null
            "field_for_whom" => "Учебник для учащихся общеобразовательных организаций"
            "field_allowed" => null
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            "field_tasks_count" => "563"
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            "field_isbn" => "978-5-360-09134-9"
            "field_cover" => array:1 [
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                "alt" => ""
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              #escapeWhenCastingToString: false
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            }
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                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "серый"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "серый"
                      "field_creative_case" => "серым"
                      "field_dative_case" => "серому"
                      "field_genitive_case" => "серого"
                      "field_nominative_case" => "серый"
                      "field_prepositional_case" => "сером"
                    ]
                    "field_translit" => "seryy"
                  ]
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                    "id" => 54
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "серый"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "серый"
                      "field_creative_case" => "серым"
                      "field_dative_case" => "серому"
                      "field_genitive_case" => "серого"
                      "field_nominative_case" => "серый"
                      "field_prepositional_case" => "сером"
                    ]
                    "field_translit" => "seryy"
                  ]
                  #changes: []
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                  #attributeCastCache: []
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
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            "breadcrumbs" => array:3 [
              "class" => 379
              "subject" => 556
              "class_subject" => 492
            ]
          ]
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            "id" => 2040
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_tree_default_status" => "tasks"
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            "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 {#1017}
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1018}
            "field_country" => Illuminate\Database\Eloquent\Collection {#1020}
            "field_city" => Illuminate\Database\Eloquent\Collection {#1022}
            "field_series" => Illuminate\Database\Eloquent\Collection {#1024}
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1026}
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1027}
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1028}
            "field_publication_number" => null
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1029}
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1030}
            "field_under_the_edition_degree" => null
            "field_cover_description" => null
            "field_publication_year" => "2011"
            "field_publication_year_until" => null
            "field_part" => ""
            "field_part_writing" => ""
            "field_second_foreign_language" => null
            "field_for_whom" => "Учебник для учащихся общеобразовательных организаций"
            "field_allowed" => null
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            "field_link_to_source" => null
            "field_tasks_count" => "563"
            "field_priority" => null
            "field_default_folder" => "/fizika_08/hizhnyakova-u/"
            "field_isbn" => "978-5-360-09134-9"
            "field_cover" => array:1 [
              0 => "/media/fizika_08/hizhnyakova-u/covers/cover1.webp?ts=1761130904"
            ]
            "field_cover_alts" => array:1 [
              0 => ""
            ]
            "field_covers" => array:1 [
              0 => array:4 [
                "path" => "/media/fizika_08/hizhnyakova-u/covers/cover1.webp?ts=1761130904"
                "alt" => ""
                "width" => "1881"
                "height" => "2550"
              ]
            ]
            "field_popular_book" => "0"
            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1031}
            "field_new_book" => Illuminate\Database\Eloquent\Collection {#1032}
            "field_old_book" => Illuminate\Database\Eloquent\Collection {#1033}
            "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik"
            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1034}
            "field_metatags_title" => null
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            "breadcrumbs" => array:3 [
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            ]
          ]
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            0 => "*"
          ]
        }
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      #escapeWhenCastingToString: false
    }
    "content" => Illuminate\Database\Eloquent\Collection {#1047
      #items: array:1 [
        0 => App\Models\Element {#1046
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            "created_at" => "2026-04-10 13:58:26"
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            "edition" => Illuminate\Database\Eloquent\Collection {#1056
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                0 => App\Models\Edition {#1048
                  #connection: "mysql"
                  #table: "editions"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #with: []
                  #withCount: []
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                  #perPage: 15
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                  #escapeWhenCastingToString: false
                  #attributes: array:21 [
                    "id" => 6517
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "title" => "Условие"
                    "field_order" => "1"
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1050
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                        0 => App\Models\Term {#1049
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
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                          #perPage: 15
                          +exists: true
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                          #escapeWhenCastingToString: false
                          #attributes: array:6 [
                            "id" => 5174
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Вентана-граф"
                            "field_cases" => null
                            "field_translit" => "ventana-graf"
                          ]
                          #original: array:6 [
                            "id" => 5174
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Вентана-граф"
                            "field_cases" => null
                            "field_translit" => "ventana-graf"
                          ]
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                          #dateFormat: null
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                            0 => "*"
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                    }
                    "field_content_type" => "free"
                    "field_content_mode" => "text, image"
                    "field_page_content_mode" => "image"
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                    "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 {#1051
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_comment" => null
                    "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1052
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                    }
                    "field_process_formula" => "katex"
                    "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1053
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                      #escapeWhenCastingToString: false
                    }
                    "field_content_source" => null
                  ]
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                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "title" => "Условие"
                    "field_order" => "1"
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                    "field_content_type" => "free"
                    "field_content_mode" => "text, image"
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                    "field_solution_author" => "Автор"
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                    "field_edition_type" => "statement"
                    "field_root_dir" => "0-"
                    "field_responsible" => Illuminate\Database\Eloquent\Collection {#1051}
                    "field_comment" => null
                    "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1052}
                    "field_process_formula" => "katex"
                    "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1053}
                    "field_content_source" => null
                  ]
                  #changes: []
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                  #attributeCastCache: []
                  #dateFormat: null
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "book_page" => array:2 [
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            "img" => array:1 [
              0 => array:5 [
                "name" => "150-1.jpg"
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                "height" => 1298
                "path" => "/media/fizika_08/hizhnyakova-u/0-1/150-1.webp?ts=1761566627"
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            "id" => 1783196
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "edition" => Illuminate\Database\Eloquent\Collection {#1056}
            "book_page" => array:2 [
              "refs" => "1499184"
              "type" => "book_page"
            ]
            "img" => array:1 [
              0 => array:5 [
                "name" => "150-1.jpg"
                "alt" => null
                "width" => "950"
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                "path" => "/media/fizika_08/hizhnyakova-u/0-1/150-1.webp?ts=1761566627"
              ]
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          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "next" => Illuminate\Database\Eloquent\Collection {#5865
      #items: array:1 [
        0 => App\Models\BookPage {#5866
          #connection: "mysql"
          #table: "book_pages"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
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          #attributes: array:21 [
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            "created_at" => "2026-04-10 13:58:26"
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            "field_display_title" => "151"
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              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5876
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
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            }
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#5875
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#5969
              #items: array:1 [
                0 => App\Models\Element {#5971
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 1783197
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#5972
                      #items: array:1 [
                        0 => App\Models\Edition {#1048}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "book_page" => array:2 [
                      "refs" => "1499185"
                      "type" => "book_page"
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                    "img" => array:1 [
                      0 => array:5 [
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                    "edition" => Illuminate\Database\Eloquent\Collection {#5972}
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                      "refs" => "1499185"
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                    "img" => array:1 [
                      0 => array:5 [
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1499186"
              "type" => "book_page"
            ]
            "previous" => array:2 [
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            "tasks" => Illuminate\Database\Eloquent\Collection {#5870
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          ]
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            "field_display_title" => "151"
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            "field_image_name" => "151"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5878}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5876}
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            "content" => Illuminate\Database\Eloquent\Collection {#5969}
            "next" => array:2 [
              "refs" => "1499186"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1499184"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#5870}
          ]
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            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "previous" => Illuminate\Database\Eloquent\Collection {#5860
      #items: array:1 [
        0 => App\Models\BookPage {#5859
          #connection: "mysql"
          #table: "book_pages"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:21 [
            "id" => 1499183
            "created_at" => "2026-04-10 13:58:26"
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            "field_display_title" => "149"
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            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5861
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
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              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#5863
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#5873
              #items: array:1 [
                0 => App\Models\Element {#5872
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 1783195
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#5874
                      #items: array:1 [
                        0 => App\Models\Edition {#1048}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "book_page" => array:2 [
                      "refs" => "1499183"
                      "type" => "book_page"
                    ]
                    "img" => array:1 [
                      0 => array:5 [
                        "name" => "149-1.jpg"
                        "alt" => null
                        "width" => "950"
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                      ]
                    ]
                  ]
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                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#5874}
                    "book_page" => array:2 [
                      "refs" => "1499183"
                      "type" => "book_page"
                    ]
                    "img" => array:1 [
                      0 => array:5 [
                        "name" => "149-1.jpg"
                        "alt" => null
                        "width" => "950"
                        "height" => 1298
                        "path" => "/media/fizika_08/hizhnyakova-u/0-1/149-1.webp?ts=1761566627"
                      ]
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                    0 => "*"
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
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              "type" => "book_page"
            ]
            "previous" => array:2 [
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              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#5864
              #items: array:5 [
                0 => App\Models\Task {#5881
                  #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" => 1498886
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "149"
                    "field_page_end" => null
                    "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/40zad-1"
                    "field_display_title" => "1"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5885
                      #items: array:1 [
                        0 => App\Models\Term {#5882
                          #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" => 26
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "номер"
                            "field_cases" => array:6 [ …6]
                            "field_short_name" => ""
                          ]
                          #original: array:6 [
                            "id" => 26
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "номер"
                            "field_cases" => array:6 [ …6]
                            "field_short_name" => ""
                          ]
                          #changes: []
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                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
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                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_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 {#5884
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5894
                      #items: array:1 [
                        0 => App\Models\Branch {#5893
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:24 [
                            "id" => 1498434
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Электрический ток в металлах. Закон Ома для участка электрической цепи"
                            "field_branch_order" => "9"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#5898 …2}
                            "field_page_start" => "145"
                            "field_branch_display" => "0"
                            "field_branch_expanded" => "0"
                            "field_display_branch_in_title" => "1"
                            "field_display_task_interval" => "0"
                            "field_display_branch_page" => "1"
                            "field_branch_title_in_content" => "0"
                            "field_navigation_title" => null
                            "field_metatags_title" => null
                            "field_metatags_description" => null
                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#5897 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#5896 …2}
                          ]
                          #original: array:24 [
                            "id" => 1498434
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Электрический ток в металлах. Закон Ома для участка электрической цепи"
                            "field_branch_order" => "9"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#5898 …2}
                            "field_page_start" => "145"
                            "field_branch_display" => "0"
                            "field_branch_expanded" => "0"
                            "field_display_branch_in_title" => "1"
                            "field_display_task_interval" => "0"
                            "field_display_branch_page" => "1"
                            "field_branch_title_in_content" => "0"
                            "field_navigation_title" => null
                            "field_metatags_title" => null
                            "field_metatags_description" => null
                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#5897 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#5896 …2}
                          ]
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                          #dateFormat: null
                          #appends: []
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                          #relations: []
                          #touches: []
                          +timestamps: true
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                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5927
                      #items: array:3 [
                        0 => App\Models\Branch {#5937
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:24 [
                            "id" => 1498434
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Электрический ток в металлах. Закон Ома для участка электрической цепи"
                            "field_branch_order" => "9"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#5938 …2}
                            "field_page_start" => "145"
                            "field_branch_display" => "0"
                            "field_branch_expanded" => "0"
                            "field_display_branch_in_title" => "1"
                            "field_display_task_interval" => "0"
                            "field_display_branch_page" => "1"
                            "field_branch_title_in_content" => "0"
                            "field_navigation_title" => null
                            "field_metatags_title" => null
                            "field_metatags_description" => null
                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#5939 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#5940 …2}
                          ]
                          #original: array:24 [
                            "id" => 1498434
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Электрический ток в металлах. Закон Ома для участка электрической цепи"
                            "field_branch_order" => "9"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#5938 …2}
                            "field_page_start" => "145"
                            "field_branch_display" => "0"
                            "field_branch_expanded" => "0"
                            "field_display_branch_in_title" => "1"
                            "field_display_task_interval" => "0"
                            "field_display_branch_page" => "1"
                            "field_branch_title_in_content" => "0"
                            "field_navigation_title" => null
                            "field_metatags_title" => null
                            "field_metatags_description" => null
                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#5939 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#5940 …2}
                          ]
                          #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\Branch {#5941
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:24 [
                            "id" => 1498435
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Электрическое сопротивление"
                            "field_branch_order" => "40"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#5945 …2}
                            "field_page_start" => "145"
                            "field_branch_display" => "0"
                            "field_branch_expanded" => "0"
                            "field_display_branch_in_title" => "1"
                            "field_display_task_interval" => "0"
                            "field_display_branch_page" => "1"
                            "field_branch_title_in_content" => "0"
                            "field_navigation_title" => null
                            "field_metatags_title" => null
                            "field_metatags_description" => null
                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#5944 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#5943 …2}
                          ]
                          #original: array:24 [
                            "id" => 1498435
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Электрическое сопротивление"
                            "field_branch_order" => "40"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#5945 …2}
                            "field_page_start" => "145"
                            "field_branch_display" => "0"
                            "field_branch_expanded" => "0"
                            "field_display_branch_in_title" => "1"
                            "field_display_task_interval" => "0"
                            "field_display_branch_page" => "1"
                            "field_branch_title_in_content" => "0"
                            "field_navigation_title" => null
                            "field_metatags_title" => null
                            "field_metatags_description" => null
                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#5944 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#5943 …2}
                          ]
                          #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\Branch {#5946
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:24 [
                            "id" => 1498437
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Задания и упражнения"
                            "field_branch_order" => null
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#5947 …2}
                            "field_page_start" => "149"
                            "field_branch_display" => "0"
                            "field_branch_expanded" => "0"
                            "field_display_branch_in_title" => "1"
                            "field_display_task_interval" => "0"
                            "field_display_branch_page" => "1"
                            "field_branch_title_in_content" => "0"
                            "field_navigation_title" => null
                            "field_metatags_title" => null
                            "field_metatags_description" => null
                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#5948 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#5957 …2}
                          ]
                          #original: array:24 [
                            "id" => 1498437
                             …23
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#5886
                      #items: array:2 [
                        0 => App\Models\Element {#5919
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:7 [ …7]
                          #original: array:7 [ …7]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                        1 => App\Models\Element {#5917
                          #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 [ …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
                    }
                    "next" => array:2 [
                      "refs" => "1498887"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "1498885"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#5922
                      #items: array:1 [
                        0 => App\Models\Book {#1006}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "1499183"
                      "type" => "book_page"
                    ]
                  ]
                  #original: array:24 [
                    "id" => 1498886
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "149"
                    "field_page_end" => null
                    "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/40zad-1"
                    "field_display_title" => "1"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5885}
                    "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 {#5884}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5894}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5927}
                    "content" => Illuminate\Database\Eloquent\Collection {#5886}
                    "next" => array:2 [
                      "refs" => "1498887"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "1498885"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#5922}
                    "page" => array:2 [
                      "refs" => "1499183"
                      "type" => "book_page"
                    ]
                  ]
                  #changes: []
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                1 => App\Models\Task {#5925
                  #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" => 1498887
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "149"
                    "field_page_end" => null
                    "field_url" => "/8-klass/fizika/hizhnyakova-uchebnik/40zad-2"
                    "field_display_title" => "2"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5934
                      #items: array:1 [
                        0 => App\Models\Term {#5882}
                      ]
                      #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 {#5920
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5923
                      #items: array:1 [
                        0 => App\Models\Branch {#5937}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5890
                      #items: array:3 [
                        0 => App\Models\Branch {#5937}
                        1 => App\Models\Branch {#5941}
                        2 => App\Models\Branch {#5946}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#5888
                      #items: array:2 [
                        0 => App\Models\Element {#5902
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:7 [ …7]
                          #original: array:7 [ …7]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                        1 => App\Models\Element {#5900
                          #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 [ …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
                    }
                    "next" => array:2 [
                      "refs" => "1498888"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "1498886"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#5905
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                        0 => App\Models\Book {#1006}
                      ]
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                    "field_display_title" => "2"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5934}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5890}
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                    "previous" => array:2 [
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                    "book" => Illuminate\Database\Eloquent\Collection {#5905}
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                    0 => "*"
                  ]
                }
                2 => App\Models\Task {#5909
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #perPage: 15
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
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                    "created_at" => "2026-04-10 13:58:26"
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                    "field_display_title" => "3"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5924
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                    }
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                        0 => App\Models\Branch {#5937}
                      ]
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                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5910
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                        0 => App\Models\Branch {#5937}
                        1 => App\Models\Branch {#5941}
                        2 => App\Models\Branch {#5946}
                      ]
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                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#5908
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                        0 => App\Models\Element {#5929
                          #connection: "mysql"
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                          #attributes: array:7 [ …7]
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                          #guarded: array:1 [ …1]
                        }
                        1 => App\Models\Element {#5930
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
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                          #with: []
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                          #attributes: array:6 [ …6]
                          #original: array:6 [ …6]
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                          +timestamps: true
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                          #guarded: array:1 [ …1]
                        }
                      ]
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                    "book" => Illuminate\Database\Eloquent\Collection {#5933
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                        0 => App\Models\Book {#1006}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5910}
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                    0 => "*"
                  ]
                }
                3 => App\Models\Task {#5889
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
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                        0 => App\Models\Branch {#5937}
                      ]
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                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5883
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                        0 => App\Models\Branch {#5937}
                        1 => App\Models\Branch {#5941}
                        2 => App\Models\Branch {#5946}
                      ]
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                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#5887
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                        0 => App\Models\Element {#5964
                          #connection: "mysql"
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                          #keyType: "int"
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                          #attributes: array:7 [ …7]
                          #original: array:7 [ …7]
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                          #guarded: array:1 [ …1]
                        }
                        1 => App\Models\Element {#5966
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
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                          #attributes: array:6 [ …6]
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                          #touches: []
                          +timestamps: true
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                        }
                      ]
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                    "book" => Illuminate\Database\Eloquent\Collection {#5961
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                      ]
                      #escapeWhenCastingToString: false
                    }
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5903}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5883}
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                    0 => "*"
                  ]
                }
                4 => App\Models\Task {#5949
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                    "field_outside_task" => null
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                        0 => App\Models\Term {#5882}
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                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5954
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                        0 => App\Models\Branch {#5937}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5953
                      #items: array:3 [
                        0 => App\Models\Branch {#5937}
                        1 => App\Models\Branch {#5941}
                        2 => App\Models\Branch {#5946}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#5951
                      #items: array:2 [
                        0 => App\Models\Element {#5976
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
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                          #attributes: array:7 [ …7]
                          #original: array:7 [ …7]
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                          #guarded: array:1 [ …1]
                        }
                        1 => App\Models\Element {#5978
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
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                          #with: []
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                          #attributes: array:6 [ …6]
                          #original: array:6 [ …6]
                          #changes: []
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                          #touches: []
                          +timestamps: true
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                          #hidden: []
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                          #guarded: array:1 [ …1]
                        }
                      ]
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                    ]
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                    "book" => Illuminate\Database\Eloquent\Collection {#5973
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                        0 => App\Models\Book {#1006}
                      ]
                      #escapeWhenCastingToString: false
                    }
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5953}
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    "tasks" => Illuminate\Database\Eloquent\Collection {#1039
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    "next" => array:2 [
      "refs" => "1499185"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1499183"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1039}
  ]
  #changes: []
  #casts: []
  #classCastCache: []
  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Физика, 8 класс Учебник, авторы: Хижнякова Людмила Степановна, Синявина Анна Афанасьевна, издательство Вентана-граф, Москва, 2011, серого цвета, страница 150
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