Предмет: Математика, автор: janaiv

В швейной мастерской было 12 кусков материи, по 40 м в каждом, и 8 кусков материи, по 30 м в каждом . Сколько метров материи осталось после того, как израсходовали 340 м.

Ответы

Автор ответа: BabaxBam

0

1)12*40=480 (м)
2)8*30=240 (м)
3)480+240=720 (м)
4)720-340=380 (м)
Ответ:380 метров осталось

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