Предмет: Математика, автор: romanavoronin

В альбоме 42 страницы. В первый день Ваня использовал 2/7 (две седьмые) альбома, а во второй 1/6 (одну шестую) альбома. Сколько страниц использовал Ваня за 2 дня?

Ответы

Автор ответа: Tukru

Ответ:

Пошаговое объяснение:

2/7 = 12 страниц

1/6 = 7 страниц

12+7 =19 страниц

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