Номер 3, страница 38, часть 3 - гдз по математике 1 класс учебник Петерсон

Математика, 1 класс Учебник, автор: Петерсон Людмила Георгиевна, издательство Просвещение, Москва, 2022, жёлтого цвета, часть 3

Авторы: Петерсон Л. Г.

Тип: Учебник

Серия: учусь учиться

Издательство: Просвещение

Год издания: 2022 - 2026

Часть: 3

Цвет обложки: жёлтый, голубой с кораблём

ISBN: 978-5-09-107325-6

Непрерывный курс математики

Часть 3. Урок 19. Единицы счёта - номер 3, страница 38.

App\Models\Task {#1030 // resources/views/models/task/default.blade.php
  #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" => 377924
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "38"
    "field_page_end" => null
    "field_url" => "/1-klass/matematika/peterson-uchebnik/c19-3"
    "field_display_title" => "3"
    "field_outside_task" => null
    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1037
      #items: array:1 [
        0 => App\Models\Term {#1036
          #connection: "mysql"
          #table: "terms"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: false
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:6 [
            "id" => 26
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "name" => "номер"
            "field_cases" => array:6 [
              "field_accusative_case" => "номер"
              "field_creative_case" => "номером"
              "field_dative_case" => "номеру"
              "field_genitive_case" => "номера"
              "field_nominative_case" => "номер"
              "field_prepositional_case" => "номере"
            ]
            "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 [
              "field_accusative_case" => "номер"
              "field_creative_case" => "номером"
              "field_dative_case" => "номеру"
              "field_genitive_case" => "номера"
              "field_nominative_case" => "номер"
              "field_prepositional_case" => "номере"
            ]
            "field_short_name" => ""
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "field_metatags_title" => null
    "field_metatags_description" => null
    "field_h1" => null
    "field_description_top" => null
    "field_description_bottom" => null
    "field_match" => null
    "breadcrumbs" => []
    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1035
      #items: []
      #escapeWhenCastingToString: false
    }
    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1046
      #items: array:1 [
        0 => App\Models\Branch {#1045
          #connection: "mysql"
          #table: "branches"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
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          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 377275
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_display_title" => null
            "field_branch_order" => "3"
            "field_url" => null
            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1050
              #items: array:1 [
                0 => App\Models\Term {#1047
                  #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:7 [
                    "id" => 31
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Часть"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "Часть"
                      "field_creative_case" => "Частью"
                      "field_dative_case" => "Части"
                      "field_genitive_case" => "Части"
                      "field_nominative_case" => "Часть"
                      "field_prepositional_case" => "Части"
                    ]
                    "field_page_check_not_needed" => "1"
                    "field_short_name" => "ч."
                  ]
                  #original: array:7 [
                    "id" => 31
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Часть"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "Часть"
                      "field_creative_case" => "Частью"
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                      "field_genitive_case" => "Части"
                      "field_nominative_case" => "Часть"
                      "field_prepositional_case" => "Части"
                    ]
                    "field_page_check_not_needed" => "1"
                    "field_short_name" => "ч."
                  ]
                  #changes: []
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                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
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                  #hidden: []
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                  #guarded: array:1 [
                    0 => "*"
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_page_start" => "3"
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            "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
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            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_branch_cover" => array:1 [
              0 => "/media/matematika_01/peterson/covers/cover3.webp?ts=1735654978"
            ]
            "field_branch_covers" => array:1 [
              0 => array:4 [
                "path" => "/media/matematika_01/peterson/covers/cover3.webp?ts=1735654978"
                "alt" => "часть 3"
                "width" => "1200"
                "height" => "1588"
              ]
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1058
              #items: array:1 [
                0 => App\Models\Book {#1057
                  #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" => 407
                    "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 {#1062
                      #items: array:1 [
                        0 => App\Models\Term {#1059
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:10 [
                            "id" => 6484
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Математика"
                            "field_abbreviated_name" => null
                            "field_cases" => array:6 [
                              "field_accusative_case" => "математику"
                              "field_creative_case" => "математикой"
                              "field_dative_case" => "математике"
                              "field_genitive_case" => "математики"
                              "field_nominative_case" => "математика"
                              "field_prepositional_case" => "математике"
                            ]
                            "field_foreign_lang_name" => null
                            "field_short_name" => null
                            "field_subject_type" => "technical_subject"
                            "field_translit" => "matematika"
                          ]
                          #original: array:10 [
                            "id" => 6484
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Математика"
                            "field_abbreviated_name" => null
                            "field_cases" => array:6 [
                              "field_accusative_case" => "математику"
                              "field_creative_case" => "математикой"
                              "field_dative_case" => "математике"
                              "field_genitive_case" => "математики"
                              "field_nominative_case" => "математика"
                              "field_prepositional_case" => "математике"
                            ]
                            "field_foreign_lang_name" => null
                            "field_short_name" => null
                            "field_subject_type" => "technical_subject"
                            "field_translit" => "matematika"
                          ]
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                          #dispatchesEvents: []
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                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_class" => Illuminate\Database\Eloquent\Collection {#1070
                      #items: array:1 [
                        0 => App\Models\Term {#1069
                          #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" => 5426
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "1"
                            "field_cases" => array:6 [
                              "field_accusative_case" => "первый"
                              "field_creative_case" => "первым"
                              "field_dative_case" => "первому"
                              "field_genitive_case" => "первого"
                              "field_nominative_case" => "первый"
                              "field_prepositional_case" => "первом"
                            ]
                            "field_translit" => "pervyj"
                          ]
                          #original: array:6 [
                            "id" => 5426
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "1"
                            "field_cases" => array:6 [
                              "field_accusative_case" => "первый"
                              "field_creative_case" => "первым"
                              "field_dative_case" => "первому"
                              "field_genitive_case" => "первого"
                              "field_nominative_case" => "первый"
                              "field_prepositional_case" => "первом"
                            ]
                            "field_translit" => "pervyj"
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
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                          #touches: []
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                          #hidden: []
                          #visible: []
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                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1066
                      #items: array:1 [
                        0 => App\Models\Term {#1060
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
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                          #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 [
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                            "created_at" => "2026-04-10 13:58:26"
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                            "field_translit" => "prosveschenie"
                          ]
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                    "field_author" => Illuminate\Database\Eloquent\Collection {#1075
                      #items: array:1 [
                        0 => App\Models\Term {#1074
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
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                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:12 [
                            "id" => 5448
                            "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" => "Людмила"
                            "field_patronymic" => "Георгиевна"
                            "field_surname_rp" => null
                          ]
                          #original: array:12 [
                            "id" => 5448
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Петерсон"
                            "field_bio" => null
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                          ]
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                    "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1063
                      #items: []
                      #escapeWhenCastingToString: false
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                      #items: array:1 [
                        0 => App\Models\Term {#1064
                          #connection: "mysql"
                          #table: "terms"
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                          #keyType: "int"
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                          #attributes: array:10 [
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                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
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                    "field_country" => Illuminate\Database\Eloquent\Collection {#1065
                      #items: array:1 [
                        0 => App\Models\Term {#1071
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                          #table: "terms"
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                    "field_city" => Illuminate\Database\Eloquent\Collection {#1077
                      #items: array:1 [
                        0 => App\Models\Term {#1072
                          #connection: "mysql"
                          #table: "terms"
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                            "created_at" => "2026-04-10 13:58:26"
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                    "field_description_bottom" => "<!--text2--> <h2> Математика - начало учебного пути с ГДЗ </h2> <p> В первом классе ребятам все дается непросто, ведь они вступили в совершенно новую фазу своей жизни. Впереди еще предстоят долгие годы учебы, а пока им нужно освоить самые азы предметов. Весьма проблематично дается школьникам математика, хоть многие из них уже умеют считать. Однако большинство детей испытывает затруднения именно при вычислениях, которые им предстоит делать. «<strong>ГДЗ по Математике 1 класс Учебник Петерсон (Просвещение, 2019-2021 гг.)</strong>» станет отличным помощником для малышей и поможет освоить им все математические премудрости. </p> <p> Программа математики 1 класса раскрывает такие темы как: </p> <ol> <li> Свойства предметов. </li> <li> Сложение и вычитание. </li> <li> Раньше, позже. </li> <li> Больше, меньше. </li> <li> Точки и линии. </li> <li> Области и границы, и т.д. </li> </ol> <p> В решебнике ученики найдут много полезной наглядной информации, благодаря которой смогут хорошо уяснить все аспекты дисциплины. Это поможет им без лишних затруднений выполнять домашние задания, а также успешно справляться с многочисленными проверочными испытаниями. При помощи справочника учащиеся приобретут полезные навыки, которые не раз пригодятся им в будущем. </p> <h2> Все ответы даст решебник </h2> <p> Хоть на первом году обучения д/з программой не предусмотрены, тем не менее учителя их все равно задают, причем в немалых количествах. Так как материал достаточно обширный, школьникам требуется больше времени, чтобы его усвоить. В классе просто невозможно все хорошо проработать, поэтому, выполняя дома заданные упражнения, ребята получают возможность разобраться в пройденных темах. В случае затруднений они всегда могут воспользоваться <strong>решебником по математике 1 класс к учебнику Петерсона Л. Г.</strong> </p> <p> Тренировки с изданием позволят учащимся: </p> <ol> <li> самостоятельно понять каждый параграф; </li> <li> отработать важные математические навыки; </li> <li> запомнить все необходимые сведения; </li> <li> справляться со всеми поставленными задачами. </li> </ol> <p> Авторы пособия разместили на его страницах верные ответы и детальные решения, которые помогут ученикам быстро проверить выполненные номера. Наглядные решения способствуют формированию полноценного представления о предмете. С таким помощником первоклассники отлично выполнят как ежедневные задания, так и добьются хороших результатов при написании контрольных. </p> <h2> ГДЗ к учебнику Петерсона - помощь родителям </h2> <p> Мамам и папам часто приходится помогать детям с выполнением домашних заданий. Но для того чтобы правильно объяснить определенные тематические нюансы, необходимо внимательно изучить учебник. Зачастую у взрослых просто нет на это времени, поэтому их пояснения часто остаются для ребят непонятными. Не осознав всех особенностей пройденных тем, малыши продолжат допускать ошибки при вычислениях, что негативно скажется на качестве полученных ими знаний. Не допустить подобного поможет применение готовых ответов <strong>«Математика 1 класс Учебник Петерсон Л. Г. (Просвещение)»</strong>. </p> <p> Пользуясь сборником в качестве основного подспорья, родители получают возможность: </p> <ul> <li> - направить рассуждения ученика в нужное русло; </li> <li> - рассказать о параграфе, если ребенок болел и пропустил урок; </li> <li> - подготовить школьника к предстоящим тестированиям; </li> <li> - за считанные минуты проверить домашнее задание, не заглядывая в учебник. </li> </ul> <p> Если же у старшего поколения совсем нет времени заниматься с первоклассниками, то они могут научить тех работать с решебником самостоятельно. В этом нет ничего сложного. Главное, чтобы учащиеся уяснили, что списывание - не лучший вариант добиться своего. Только самоконтроль и проработка допущенных недочетов позволят школьникам приобрести все необходимые знания. Открыть справочник можно с любого современного гаджета, подключенного к Интернету, что явно не вызовет у ребят особых затруднений. А доступность изложения сведений позволит быстро их запомнить. </p>"
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            "text" => "<p>Для решения этой задачи нужно найти разницу между количеством учебников, которые получили ученики 1 «А» и 1 «Б» классов. Так как в условии сказано, что пачки одинаковые, но не указано, сколько в них учебников, мы можем найти разницу, сравнив количество пачек и количество отдельных учебников по отдельности.</p><p><strong>1. Сравнение количества пачек</strong><br>В 1 «А» классе раздали 4 пачки, а в 1 «Б» — 3 пачки. Найдем, на сколько пачек больше раздали в 1 «А» классе:<br>$4 - 3 = 1$ (пачка)<br>Таким образом, в 1 «А» классе раздали на 1 пачку учебников больше.</p><p><strong>2. Сравнение количества отдельных учебников</strong><br>В 1 «А» классе к пачкам добавили ещё 6 учебников, а в 1 «Б» — ещё 2 учебника. Найдем разницу в количестве этих учебников:<br>$6 - 2 = 4$ (учебника)<br>Таким образом, в 1 «А» классе раздали ещё и на 4 отдельных учебника больше.</p><p><strong>3. Общая разница</strong><br>Теперь сложим полученные результаты. Разница составляет 1 пачку и 4 учебника. Это значит, что в 1 «А» классе раздали на 1 пачку и 4 учебника больше, чем в 1 «Б». Следовательно, в 1 «Б» классе раздали на столько же меньше.</p><p>В тетради это можно изобразить так: пачки нарисовать как прямоугольники, а учебники — как квадраты.<br>1 «А»: ▭ ▭ ▭ ▭ □ □ □ □ □ □<br>1 «Б»: ▭ ▭ ▭ □ □<br>Если мы мысленно уберем одинаковое количество фигур (3 прямоугольника и 2 квадрата) у обоих классов, то увидим, что у 1 «А» останется 1 прямоугольник и 4 квадрата. Это и есть искомая разница.</p><p>Ответ: в 1 «Б» классе раздали на 1 пачку и 4 учебника меньше, чем в 1 «А».</p>"
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            "id" => 1503350
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            "text" => "<p>Для решения этой задачи нужно найти разницу между количеством учебников, которые получили ученики 1 «А» и 1 «Б» классов. Так как в условии сказано, что пачки одинаковые, но не указано, сколько в них учебников, мы можем найти разницу, сравнив количество пачек и количество отдельных учебников по отдельности.</p><p><strong>1. Сравнение количества пачек</strong><br>В 1 «А» классе раздали 4 пачки, а в 1 «Б» — 3 пачки. Найдем, на сколько пачек больше раздали в 1 «А» классе:<br>$4 - 3 = 1$ (пачка)<br>Таким образом, в 1 «А» классе раздали на 1 пачку учебников больше.</p><p><strong>2. Сравнение количества отдельных учебников</strong><br>В 1 «А» классе к пачкам добавили ещё 6 учебников, а в 1 «Б» — ещё 2 учебника. Найдем разницу в количестве этих учебников:<br>$6 - 2 = 4$ (учебника)<br>Таким образом, в 1 «А» классе раздали ещё и на 4 отдельных учебника больше.</p><p><strong>3. Общая разница</strong><br>Теперь сложим полученные результаты. Разница составляет 1 пачку и 4 учебника. Это значит, что в 1 «А» классе раздали на 1 пачку и 4 учебника больше, чем в 1 «Б». Следовательно, в 1 «Б» классе раздали на столько же меньше.</p><p>В тетради это можно изобразить так: пачки нарисовать как прямоугольники, а учебники — как квадраты.<br>1 «А»: ▭ ▭ ▭ ▭ □ □ □ □ □ □<br>1 «Б»: ▭ ▭ ▭ □ □<br>Если мы мысленно уберем одинаковое количество фигур (3 прямоугольника и 2 квадрата) у обоих классов, то увидим, что у 1 «А» останется 1 прямоугольник и 4 квадрата. Это и есть искомая разница.</p><p>Ответ: в 1 «Б» классе раздали на 1 пачку и 4 учебника меньше, чем в 1 «А».</p>"
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                    "edition" => Illuminate\Database\Eloquent\Collection {#1141}
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                    "book" => Illuminate\Database\Eloquent\Collection {#1237}
                    "page" => array:2 [
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                  #hidden: []
                  #visible: []
                  #fillable: []
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                    0 => "*"
                  ]
                }
                1 => App\Models\Task {#1230
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                    "id" => 377923
                    "created_at" => "2026-04-10 13:58:26"
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                    "field_metatags_title" => null
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1234
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                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#1233
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                        1 => App\Models\Element {#1256 …30}
                        2 => App\Models\Element {#1258 …30}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1263
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                    "content" => Illuminate\Database\Eloquent\Collection {#1266
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                4 => App\Models\Task {#1265
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    0 => "*"
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}
№3 (с. 38)
Условие. №3 (с. 38)
скриншот условия
Математика, 1 класс Учебник, автор: Петерсон Людмила Георгиевна, издательство Просвещение, Москва, 2022, жёлтого цвета, Часть 3, страница 38, номер 3, Условие

3 В 1 «А» классе ученикам раздали 4 пачки учебников математики и ещё 6 учебников, а в 1 «Б» – 3 такие же пачки и ещё 2 учебника. На сколько меньше раздали учебников в 1 «Б» классе, чем в 1 «А»? Сделай рисунок в тетради.

Решение. №3 (с. 38)
Математика, 1 класс Учебник, автор: Петерсон Людмила Георгиевна, издательство Просвещение, Москва, 2022, жёлтого цвета, Часть 3, страница 38, номер 3, Решение
Решение 2. №3 (с. 38)

Для решения этой задачи нужно найти разницу между количеством учебников, которые получили ученики 1 «А» и 1 «Б» классов. Так как в условии сказано, что пачки одинаковые, но не указано, сколько в них учебников, мы можем найти разницу, сравнив количество пачек и количество отдельных учебников по отдельности.

1. Сравнение количества пачек
В 1 «А» классе раздали 4 пачки, а в 1 «Б» — 3 пачки. Найдем, на сколько пачек больше раздали в 1 «А» классе:
$4 - 3 = 1$ (пачка)
Таким образом, в 1 «А» классе раздали на 1 пачку учебников больше.

2. Сравнение количества отдельных учебников
В 1 «А» классе к пачкам добавили ещё 6 учебников, а в 1 «Б» — ещё 2 учебника. Найдем разницу в количестве этих учебников:
$6 - 2 = 4$ (учебника)
Таким образом, в 1 «А» классе раздали ещё и на 4 отдельных учебника больше.

3. Общая разница
Теперь сложим полученные результаты. Разница составляет 1 пачку и 4 учебника. Это значит, что в 1 «А» классе раздали на 1 пачку и 4 учебника больше, чем в 1 «Б». Следовательно, в 1 «Б» классе раздали на столько же меньше.

В тетради это можно изобразить так: пачки нарисовать как прямоугольники, а учебники — как квадраты.
1 «А»: ▭ ▭ ▭ ▭ □ □ □ □ □ □
1 «Б»: ▭ ▭ ▭ □ □
Если мы мысленно уберем одинаковое количество фигур (3 прямоугольника и 2 квадрата) у обоих классов, то увидим, что у 1 «А» останется 1 прямоугольник и 4 квадрата. Это и есть искомая разница.

Ответ: в 1 «Б» классе раздали на 1 пачку и 4 учебника меньше, чем в 1 «А».

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