Предмет: Математика, автор: Арина20041207

Пловец проплыл по течению реки 1 680 м со скоростью 68м/мин. Сколько времени ему для этого понадобилось, если скорость течения реки 44м/мин?

Ответы

Автор ответа: miki68

8

68+44=112 м\мин скорость пловца по течению
1680:112=15 мин понадобилось

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