Предмет: Математика, автор: Аноним

длина прямоугольной комнаты 3,5м ,а ширина 4,2м .сколько раствора извести необходимо для побелки потолка ,если на каждый квадратный метр нужно250г раствора?

Ответы

Автор ответа: Nastine97

площадь: 3,5*4,2=14,7кв.м
14,7*250=3675 г

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