Предмет: Математика, автор: poidasonya2009

 Скорость лодки по течению реки 7 5/2 км/ч,а скорость течения реки 2 3/4 км/ч. найти скорость лодки 1) в стоячей воде?

poidasonya2009: Против течения реки?

Ответы

Автор ответа: qwrng
1

Ответ:

7 5/2- 2 3/4= 7 3/4

Пошаговое объяснение:

Собственная скорость равна= собственная скорость- скорость течения

poidasonya2009: Не правильно,хвхвхв
qwrng: а как правильно?
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