Предмет: Математика, автор: самалёт

На 3 комбинизона пошло 17 м ткани .сколько метров ткани нужно .чтобы сшить девять таких комбинизонов?

Ответы

Автор ответа: julymenov

на 3 комб. 17м
на 9 комб. ?
3x=17*9
x=17*9:3
x=51
Ответ: нужно 51 м.

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