Страница 68 - гдз по математике 5 класс учебник Бунимович, Дорофеев

Математика, 5 класс Учебник, авторы: Бунимович Евгений Абрамович, Дорофеев Георгий Владимирович, Суворова Светлана Борисовна, Кузнецова Людмила Викторовна, Минаева Светлана Станиславовна, Рослова Лариса Олеговна, издательство Просвещение, Москва, 2023, оранжевого цвета

Авторы: Бунимович Е. А., Дорофеев Г. В., Суворова С. Б., Кузнецова Л. В., Минаева С. С., Рослова Л. О.

Тип: Учебник

Серия: сферы

Издательство: Просвещение

Год издания: 2023 - 2026

Уровень обучения: базовый

Цвет обложки: оранжевый с компасом

ISBN: 978-5-09-105798-0

Cтраница 68

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" => 949362
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "68"
    "field_url" => "/5-klass/matematika/bunimovich-uchebnik/page-68"
    "field_display_title" => "68"
    "field_folder" => "1"
    "field_image_name" => "68"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008
      #items: []
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1044
      #items: array:1 [
        0 => App\Models\Book {#1006
          #connection: "mysql"
          #table: "books"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: false
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
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          #escapeWhenCastingToString: false
          #attributes: array:50 [
            "id" => 59
            "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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                  #withCount: []
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                  #escapeWhenCastingToString: false
                  #attributes: array:10 [
                    "id" => 6484
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
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                      "field_genitive_case" => "математики"
                      "field_nominative_case" => "математика"
                      "field_prepositional_case" => "математике"
                    ]
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                    "field_short_name" => null
                    "field_subject_type" => "technical_subject"
                    "field_translit" => "matematika"
                  ]
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                    "id" => 6484
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                      "field_nominative_case" => "математика"
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                    "field_translit" => "matematika"
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            "field_class" => Illuminate\Database\Eloquent\Collection {#1010
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                0 => App\Models\Term {#1011
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                  #table: "terms"
                  #primaryKey: "id"
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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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                    "created_at" => "2026-04-10 13:58:26"
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              ]
              #escapeWhenCastingToString: false
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            "field_author" => Illuminate\Database\Eloquent\Collection {#1014
              #items: array:6 [
                0 => App\Models\Term {#1015
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
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                  #perPage: 15
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                  #escapeWhenCastingToString: false
                  #attributes: array:12 [
                    "id" => 3941
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
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                    "field_name" => "Евгений"
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                    0 => "*"
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                }
                1 => App\Models\Term {#1016
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                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
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                    "created_at" => "2026-04-10 13:58:26"
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                    "field_foreign_lang_patronymic" => null
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                  ]
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                2 => App\Models\Term {#1017
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
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                  #escapeWhenCastingToString: false
                  #attributes: array:12 [
                    "id" => 5879
                    "created_at" => "2026-04-10 13:58:26"
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                  ]
                  #original: array:12 [
                    "id" => 5879
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                3 => App\Models\Term {#1018
                  #connection: "mysql"
                  #table: "terms"
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                  #keyType: "int"
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                    "field_foreign_lang_surname" => null
                    "field_name" => "Людмила"
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                  ]
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                  ]
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                  #connection: "mysql"
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                5 => App\Models\Term {#1020
                  #connection: "mysql"
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                    "field_cases" => array:6 [
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                    0 => "*"
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                }
              ]
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            "field_city" => Illuminate\Database\Eloquent\Collection {#1026
              #items: array:1 [
                0 => App\Models\Term {#1027
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
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                  #attributes: array:6 [
                    "id" => 15
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Москва"
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                      "field_dative_case" => null
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                      "field_prepositional_case" => null
                    ]
                    "field_translit" => "moskva"
                  ]
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                    "id" => 15
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Москва"
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                    "field_translit" => "moskva"
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                    0 => "*"
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_series" => Illuminate\Database\Eloquent\Collection {#1028
              #items: array:1 [
                0 => App\Models\Term {#1029
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
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                  #withCount: []
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                    "created_at" => "2026-04-10 13:58:26"
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                    "field_translit" => "sfery"
                  ]
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                    "field_translit" => "sfery"
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                    0 => "*"
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                }
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              #items: []
              #escapeWhenCastingToString: false
            }
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1031
              #items: array:1 [
                0 => App\Models\Term {#1032
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
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                  #withCount: []
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                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 38
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "базовый"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "базовый"
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                      "field_nominative_case" => "базовый"
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                    ]
                    "field_translit" => "bazovyy"
                  ]
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                    "id" => 38
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
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                    "field_cases" => array:6 [
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                    ]
                    "field_translit" => "bazovyy"
                  ]
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                    0 => "*"
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              ]
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            }
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1033
              #items: array:1 [
                0 => App\Models\Term {#1034
                  #connection: "mysql"
                  #table: "terms"
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                  #keyType: "int"
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                  #escapeWhenCastingToString: false
                  #attributes: array:10 [
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                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
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                    ]
                    "field_color" => "красный"
                    "field_end_year" => "2027"
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                    "field_translit" => "fgos"
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                  ]
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                    ]
                    "field_color" => "красный"
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                  ]
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                    0 => "*"
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                }
              ]
              #escapeWhenCastingToString: false
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            "field_publication_number" => null
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1035
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1036
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              #escapeWhenCastingToString: false
            }
            "field_under_the_edition_degree" => null
            "field_cover_description" => "с компасом"
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            "field_part" => ""
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            "field_for_whom" => "Учебное пособие"
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            "field_tasks_count" => "941"
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            "field_cover" => array:1 [
              0 => "/media/matematika_05/bunimovich-u23/covers/cover1.webp?ts=1737321399"
            ]
            "field_cover_alts" => array:1 [
              0 => ""
            ]
            "field_covers" => array:1 [
              0 => array:4 [
                "path" => "/media/matematika_05/bunimovich-u23/covers/cover1.webp?ts=1737321399"
                "alt" => ""
                "width" => "1200"
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              ]
            ]
            "field_popular_book" => null
            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1037
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_new_book" => Illuminate\Database\Eloquent\Collection {#1038
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_old_book" => Illuminate\Database\Eloquent\Collection {#1039
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_url" => "/5-klass/matematika/bunimovich-uchebnik"
            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1040
              #items: array:1 [
                0 => App\Models\Term {#1041
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
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                  #perPage: 15
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                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 50
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "оранжевый"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "оранжевый"
                      "field_creative_case" => "оранжевым"
                      "field_dative_case" => "оранжевому"
                      "field_genitive_case" => "оранжевого"
                      "field_nominative_case" => "оранжевый"
                      "field_prepositional_case" => "оранжевом"
                    ]
                    "field_translit" => "oranzhevyy"
                  ]
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                    "id" => 50
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "оранжевый"
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                      "field_prepositional_case" => "оранжевом"
                    ]
                    "field_translit" => "oranzhevyy"
                  ]
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            ]
          ]
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            "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}
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            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1022}
            "field_country" => Illuminate\Database\Eloquent\Collection {#1024}
            "field_city" => Illuminate\Database\Eloquent\Collection {#1026}
            "field_series" => Illuminate\Database\Eloquent\Collection {#1028}
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            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1031}
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1033}
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            "field_cover_description" => "с компасом"
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            "field_publication_year_until" => null
            "field_part" => ""
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            "field_for_whom" => "Учебное пособие"
            "field_allowed" => null
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            "field_link_to_source" => null
            "field_tasks_count" => "941"
            "field_priority" => "10"
            "field_default_folder" => "/matematika_05/bunimovich-u23/"
            "field_isbn" => "978-5-09-105798-0"
            "field_cover" => array:1 [
              0 => "/media/matematika_05/bunimovich-u23/covers/cover1.webp?ts=1737321399"
            ]
            "field_cover_alts" => array:1 [
              0 => ""
            ]
            "field_covers" => array:1 [
              0 => array:4 [
                "path" => "/media/matematika_05/bunimovich-u23/covers/cover1.webp?ts=1737321399"
                "alt" => ""
                "width" => "1200"
                "height" => "1604"
              ]
            ]
            "field_popular_book" => null
            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1037}
            "field_new_book" => Illuminate\Database\Eloquent\Collection {#1038}
            "field_old_book" => Illuminate\Database\Eloquent\Collection {#1039}
            "field_url" => "/5-klass/matematika/bunimovich-uchebnik"
            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1040}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "field_description_bottom" => null
            "breadcrumbs" => array:3 [
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              "class_subject" => 398
            ]
          ]
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          #dateFormat: null
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            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "field_metatags_title" => null
    "field_metatags_description" => null
    "field_h1" => null
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    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1042
      #items: []
      #escapeWhenCastingToString: false
    }
    "content" => Illuminate\Database\Eloquent\Collection {#1053
      #items: array:1 [
        0 => App\Models\Element {#1052
          #connection: "mysql"
          #table: "elements"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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          #perPage: 15
          +exists: true
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          #escapeWhenCastingToString: false
          #attributes: array:6 [
            "id" => 1124644
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "edition" => Illuminate\Database\Eloquent\Collection {#1062
              #items: array:1 [
                0 => App\Models\Edition {#1054
                  #connection: "mysql"
                  #table: "editions"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:21 [
                    "id" => 1542
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "title" => "Условие"
                    "field_order" => "1"
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1056
                      #items: array:1 [
                        0 => App\Models\Term {#1055
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:6 [
                            "id" => 5153
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Просвещение"
                            "field_cases" => null
                            "field_translit" => "prosveschenie"
                          ]
                          #original: array:6 [
                            "id" => 5153
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Просвещение"
                            "field_cases" => null
                            "field_translit" => "prosveschenie"
                          ]
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                          #dateFormat: null
                          #appends: []
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                          #relations: []
                          #touches: []
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                          #hidden: []
                          #visible: []
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                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_content_type" => "free"
                    "field_content_mode" => "text, image"
                    "field_page_content_mode" => "image"
                    "field_content_text_checked" => null
                    "field_page_content_text_checked" => "0"
                    "field_solution_author" => "Автор"
                    "field_moderator" => "margarita"
                    "field_edition_type" => "statement"
                    "field_root_dir" => "0-"
                    "field_responsible" => Illuminate\Database\Eloquent\Collection {#1057
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_comment" => null
                    "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1058
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_process_formula" => "katex"
                    "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1059
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_content_source" => null
                  ]
                  #original: array:21 [
                    "id" => 1542
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "title" => "Условие"
                    "field_order" => "1"
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1056}
                    "field_content_type" => "free"
                    "field_content_mode" => "text, image"
                    "field_page_content_mode" => "image"
                    "field_content_text_checked" => null
                    "field_page_content_text_checked" => "0"
                    "field_solution_author" => "Автор"
                    "field_moderator" => "margarita"
                    "field_edition_type" => "statement"
                    "field_root_dir" => "0-"
                    "field_responsible" => Illuminate\Database\Eloquent\Collection {#1057}
                    "field_comment" => null
                    "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1058}
                    "field_process_formula" => "katex"
                    "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1059}
                    "field_content_source" => null
                  ]
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                  #touches: []
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                  #hidden: []
                  #visible: []
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "book_page" => array:2 [
              "refs" => "949362"
              "type" => "book_page"
            ]
            "img" => array:1 [
              0 => array:5 [
                "name" => "68-1.jpg"
                "alt" => null
                "width" => "2313"
                "height" => 3093
                "path" => "/media/matematika_05/bunimovich-u23/0-1/68-1.webp?ts=1744804771"
              ]
            ]
          ]
          #original: array:6 [
            "id" => 1124644
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "edition" => Illuminate\Database\Eloquent\Collection {#1062}
            "book_page" => array:2 [
              "refs" => "949362"
              "type" => "book_page"
            ]
            "img" => array:1 [
              0 => array:5 [
                "name" => "68-1.jpg"
                "alt" => null
                "width" => "2313"
                "height" => 3093
                "path" => "/media/matematika_05/bunimovich-u23/0-1/68-1.webp?ts=1744804771"
              ]
            ]
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "next" => Illuminate\Database\Eloquent\Collection {#4114
      #items: array:1 [
        0 => App\Models\BookPage {#4109
          #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" => 949363
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "69"
            "field_url" => "/5-klass/matematika/bunimovich-uchebnik/page-69"
            "field_display_title" => "69"
            "field_folder" => "1"
            "field_image_name" => "69"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4112
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#4115
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#4113
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#4129
              #items: array:1 [
                0 => App\Models\Element {#4128
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 1124645
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#4130
                      #items: array:1 [
                        0 => App\Models\Edition {#1054}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "book_page" => array:2 [
                      "refs" => "949363"
                      "type" => "book_page"
                    ]
                    "img" => array:1 [
                      0 => array:5 [
                        "name" => "69-1.jpg"
                        "alt" => null
                        "width" => "2320"
                        "height" => 3098
                        "path" => "/media/matematika_05/bunimovich-u23/0-1/69-1.webp?ts=1744804771"
                      ]
                    ]
                  ]
                  #original: array:6 [
                    "id" => 1124645
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#4130}
                    "book_page" => array:2 [
                      "refs" => "949363"
                      "type" => "book_page"
                    ]
                    "img" => array:1 [
                      0 => array:5 [
                        "name" => "69-1.jpg"
                        "alt" => null
                        "width" => "2320"
                        "height" => 3098
                        "path" => "/media/matematika_05/bunimovich-u23/0-1/69-1.webp?ts=1744804771"
                      ]
                    ]
                  ]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "949364"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "949362"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#4133
              #items: array:1 [
                0 => App\Models\Task {#4132
                  #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" => 534397
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "69"
                    "field_page_end" => null
                    "field_url" => "/5-klass/matematika/bunimovich-uchebnik/vop-14"
                    "field_display_title" => "Вопросы и задания"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4134
                      #items: []
                      #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 {#4135
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4145
                      #items: array:1 [
                        0 => App\Models\Branch {#4144
                          #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" => 534082
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Использование свойств действий при вычислениях"
                            "field_branch_order" => "4"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#4149
                              #items: array:1 [
                                0 => App\Models\Term {#4146
                                  #connection: "mysql"
                                  #table: "terms"
                                  #primaryKey: "id"
                                  #keyType: "int"
                                  +incrementing: false
                                  #with: []
                                  #withCount: []
                                  +preventsLazyLoading: false
                                  #perPage: 15
                                  +exists: true
                                  +wasRecentlyCreated: false
                                  #escapeWhenCastingToString: false
                                  #attributes: array:7 [
                                    "id" => 29
                                    "created_at" => "2026-04-10 13:58:26"
                                    "updated_at" => null
                                    "name" => "Глава"
                                    "field_cases" => array:6 [
                                      "field_accusative_case" => "Главу"
                                      "field_creative_case" => "Главой"
                                      "field_dative_case" => "Главе"
                                      "field_genitive_case" => "Главы"
                                      "field_nominative_case" => "Глава"
                                      "field_prepositional_case" => "Главе"
                                    ]
                                    "field_page_check_not_needed" => null
                                    "field_short_name" => null
                                  ]
                                  #original: array:7 [
                                    "id" => 29
                                    "created_at" => "2026-04-10 13:58:26"
                                    "updated_at" => null
                                    "name" => "Глава"
                                    "field_cases" => array:6 [
                                      "field_accusative_case" => "Главу"
                                      "field_creative_case" => "Главой"
                                      "field_dative_case" => "Главе"
                                      "field_genitive_case" => "Главы"
                                      "field_nominative_case" => "Глава"
                                      "field_prepositional_case" => "Главе"
                                    ]
                                    "field_page_check_not_needed" => null
                                    "field_short_name" => null
                                  ]
                                  #changes: []
                                  #casts: []
                                  #classCastCache: []
                                  #attributeCastCache: []
                                  #dateFormat: null
                                  #appends: []
                                  #dispatchesEvents: []
                                  #observables: []
                                  #relations: []
                                  #touches: []
                                  +timestamps: true
                                  +usesUniqueIds: false
                                  #hidden: []
                                  #visible: []
                                  #fillable: []
                                  #guarded: array:1 [
                                    0 => "*"
                                  ]
                                }
                              ]
                              #escapeWhenCastingToString: false
                            }
                            "field_page_start" => "67"
                            "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 {#4148
                              #items: array:1 [
                                0 => App\Models\Book {#1006}
                              ]
                              #escapeWhenCastingToString: false
                            }
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#4147
                              #items: []
                              #escapeWhenCastingToString: false
                            }
                          ]
                          #original: array:24 [
                            "id" => 534082
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Использование свойств действий при вычислениях"
                            "field_branch_order" => "4"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#4149}
                            "field_page_start" => "67"
                            "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 {#4148}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#4147}
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4185
                      #items: array:2 [
                        0 => App\Models\Branch {#4193
                          #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" => 534082
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Использование свойств действий при вычислениях"
                            "field_branch_order" => "4"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#4194
                              #items: array:1 [
                                0 => App\Models\Term {#4146}
                              ]
                              #escapeWhenCastingToString: false
                            }
                            "field_page_start" => "67"
                            "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 {#4195
                              #items: array:1 [
                                0 => App\Models\Book {#1006}
                              ]
                              #escapeWhenCastingToString: false
                            }
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#4196
                              #items: []
                              #escapeWhenCastingToString: false
                            }
                          ]
                          #original: array:24 [
                            "id" => 534082
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Использование свойств действий при вычислениях"
                            "field_branch_order" => "4"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#4194}
                            "field_page_start" => "67"
                            "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 {#4195}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#4196}
                          ]
                          #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 {#4197
                          #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" => 534083
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "14. Свойства сложения и умножения"
                            "field_branch_order" => null
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#4198
                              #items: []
                              #escapeWhenCastingToString: false
                            }
                            "field_page_start" => "68"
                            "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 {#4199
                              #items: array:1 [
                                0 => App\Models\Book {#1006}
                              ]
                              #escapeWhenCastingToString: false
                            }
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#4200
                              #items: array:1 [
                                0 => App\Models\Branch {#4144}
                              ]
                              #escapeWhenCastingToString: false
                            }
                          ]
                          #original: array:24 [
                            "id" => 534083
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "14. Свойства сложения и умножения"
                            "field_branch_order" => null
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#4198}
                            "field_page_start" => "68"
                            "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 {#4199}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#4200}
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4137
                      #items: array:2 [
                        0 => App\Models\Element {#4176
                          #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 [
                            "id" => 646965
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "edition" => Illuminate\Database\Eloquent\Collection {#4175
                              #items: array:1 [
                                0 => App\Models\Edition {#1054}
                              ]
                              #escapeWhenCastingToString: false
                            }
                            "task" => array:2 [
                              "refs" => "534397"
                              "type" => "task"
                            ]
                            "text" => "<p><strong>ВОПРОСЫ И ЗАДАНИЯ</strong></p><p><strong>Запишите с помощью букв переместительное и сочетательное свойства сложения и умножения.</strong></p><p><strong>Вычислите сумму</strong></p><p>$ (13 + 48) + (17 + 12) $, сгруппировав слагаемые иначе.</p><p><strong>Измените группировку множителей в произведении</strong></p><p>$ 2 \cdot (3 \cdot 5) \cdot 6 $ и вычислите результат.</p>"
                            "img" => array:1 [
                              0 => array:5 [
                                "name" => "14-1.jpg"
                                "alt" => null
                                "width" => "758"
                                "height" => 812
                                "path" => "/media/matematika_05/bunimovich-u23/0-vop/14-1.webp?ts=1737374578"
                              ]
                            ]
                          ]
                          #original: array:7 [
                            "id" => 646965
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "edition" => Illuminate\Database\Eloquent\Collection {#4175}
                            "task" => array:2 [
                              "refs" => "534397"
                              "type" => "task"
                            ]
                            "text" => "<p><strong>ВОПРОСЫ И ЗАДАНИЯ</strong></p><p><strong>Запишите с помощью букв переместительное и сочетательное свойства сложения и умножения.</strong></p><p><strong>Вычислите сумму</strong></p><p>$ (13 + 48) + (17 + 12) $, сгруппировав слагаемые иначе.</p><p><strong>Измените группировку множителей в произведении</strong></p><p>$ 2 \cdot (3 \cdot 5) \cdot 6 $ и вычислите результат.</p>"
                            "img" => array:1 [
                              0 => array:5 [
                                "name" => "14-1.jpg"
                                "alt" => null
                                "width" => "758"
                                "height" => 812
                                "path" => "/media/matematika_05/bunimovich-u23/0-vop/14-1.webp?ts=1737374578"
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                            "text" => "<p><strong>Запишите с помощью букв переместительное и сочетательное свойства сложения и умножения.</strong></p><p>Для любых чисел $a$, $b$ и $c$ справедливы следующие равенства:<br> <em>Переместительное свойство сложения (коммутативность):</em><br> $a + b = b + a$<br> От перестановки мест слагаемых сумма не меняется.<br><br> <em>Сочетательное свойство сложения (ассоциативность):</em><br> $(a + b) + c = a + (b + c)$<br> Чтобы к сумме двух чисел прибавить третье число, можно к первому числу прибавить сумму второго и третьего чисел.<br><br> <em>Переместительное свойство умножения (коммутативность):</em><br> $a \cdot b = b \cdot a$<br> От перестановки мест множителей произведение не меняется.<br><br> <em>Сочетательное свойство умножения (ассоциативность):</em><br> $(a \cdot b) \cdot c = a \cdot (b \cdot c)$<br> Чтобы произведение двух чисел умножить на третье число, можно первое число умножить на произведение второго и третьего чисел.<br> Ответ: $a + b = b + a$; $(a + b) + c = a + (b + c)$; $a \cdot b = b \cdot a$; $(a \cdot b) \cdot c = a \cdot (b \cdot c)$.</p><p><strong>Вычислите сумму (13 + 48) + (17 + 12), сгруппировав слагаемые иначе.</strong></p><p>Чтобы упростить вычисление, воспользуемся переместительным и сочетательным свойствами сложения. Сгруппируем слагаемые так, чтобы в сумме получались "круглые" числа. <br> $(13 + 48) + (17 + 12) = 13 + 48 + 17 + 12 = (13 + 17) + (48 + 12)$ <br> Сначала вычислим сумму в каждой из новых скобок: <br> $13 + 17 = 30$ <br> $48 + 12 = 60$ <br> Теперь сложим полученные результаты: <br> $30 + 60 = 90$ <br> Ответ: 90.</p><p><strong>Измените группировку множителей в произведении 2 · (3 · 5) · 6 и вычислите результат.</strong></p><p>Используя сочетательное свойство умножения, можно изменить порядок вычислений для удобства. <br> $2 \cdot (3 \cdot 5) \cdot 6 = 2 \cdot 3 \cdot 5 \cdot 6$ <br> Сгруппируем множители по-другому, например, так, чтобы получить в произведении 10, на которое легко умножать: <br> $(2 \cdot 5) \cdot (3 \cdot 6)$ <br> Вычислим произведение в каждой из новых скобок: <br> $2 \cdot 5 = 10$ <br> $3 \cdot 6 = 18$ <br> Теперь перемножим полученные результаты: <br> $10 \cdot 18 = 180$ <br> Ответ: 180.</p>"
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                            "task" => array:2 [
                              "refs" => "534397"
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                            "text" => "<p><strong>Запишите с помощью букв переместительное и сочетательное свойства сложения и умножения.</strong></p><p>Для любых чисел $a$, $b$ и $c$ справедливы следующие равенства:<br> <em>Переместительное свойство сложения (коммутативность):</em><br> $a + b = b + a$<br> От перестановки мест слагаемых сумма не меняется.<br><br> <em>Сочетательное свойство сложения (ассоциативность):</em><br> $(a + b) + c = a + (b + c)$<br> Чтобы к сумме двух чисел прибавить третье число, можно к первому числу прибавить сумму второго и третьего чисел.<br><br> <em>Переместительное свойство умножения (коммутативность):</em><br> $a \cdot b = b \cdot a$<br> От перестановки мест множителей произведение не меняется.<br><br> <em>Сочетательное свойство умножения (ассоциативность):</em><br> $(a \cdot b) \cdot c = a \cdot (b \cdot c)$<br> Чтобы произведение двух чисел умножить на третье число, можно первое число умножить на произведение второго и третьего чисел.<br> Ответ: $a + b = b + a$; $(a + b) + c = a + (b + c)$; $a \cdot b = b \cdot a$; $(a \cdot b) \cdot c = a \cdot (b \cdot c)$.</p><p><strong>Вычислите сумму (13 + 48) + (17 + 12), сгруппировав слагаемые иначе.</strong></p><p>Чтобы упростить вычисление, воспользуемся переместительным и сочетательным свойствами сложения. Сгруппируем слагаемые так, чтобы в сумме получались "круглые" числа. <br> $(13 + 48) + (17 + 12) = 13 + 48 + 17 + 12 = (13 + 17) + (48 + 12)$ <br> Сначала вычислим сумму в каждой из новых скобок: <br> $13 + 17 = 30$ <br> $48 + 12 = 60$ <br> Теперь сложим полученные результаты: <br> $30 + 60 = 90$ <br> Ответ: 90.</p><p><strong>Измените группировку множителей в произведении 2 · (3 · 5) · 6 и вычислите результат.</strong></p><p>Используя сочетательное свойство умножения, можно изменить порядок вычислений для удобства. <br> $2 \cdot (3 \cdot 5) \cdot 6 = 2 \cdot 3 \cdot 5 \cdot 6$ <br> Сгруппируем множители по-другому, например, так, чтобы получить в произведении 10, на которое легко умножать: <br> $(2 \cdot 5) \cdot (3 \cdot 6)$ <br> Вычислим произведение в каждой из новых скобок: <br> $2 \cdot 5 = 10$ <br> $3 \cdot 6 = 18$ <br> Теперь перемножим полученные результаты: <br> $10 \cdot 18 = 180$ <br> Ответ: 180.</p>"
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  #casts: []
  #classCastCache: []
  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Математика, 5 класс Учебник, авторы: Бунимович Евгений Абрамович, Дорофеев Георгий Владимирович, Суворова Светлана Борисовна, Кузнецова Людмила Викторовна, Минаева Светлана Станиславовна, Рослова Лариса Олеговна, издательство Просвещение, Москва, 2023, оранжевого цвета, страница 68
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