Предмет: Математика, автор: natalay151117

Дополни задачу данными и реши ее для пошива 3 рубашек потребуется... метров ткани сколько рубашек можно сшить из 21 м ткани

Ответы

Автор ответа: leonidkukharev
34

Дополни задачу данными и реши ее для пошива 3 рубашек потребуется 7 (наше число) метров ткани сколько рубашек можно сшить из 21 м ткани?

Выясняем сколько раз по 7 метров в 21м метре ткани  21м/7м=3 раза, если из семи метров можно сшить 3 рубашки, а у нас 21м, что в три раза больше, значит и рубашек будет в три раза больше. 3*3=9 рубашек из 21го метра ткани.

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