Предмет: Математика, автор: aminka2002god

Скорость лодки против течения реки равна 18,8 км/ч,а ее собственная скорость-20,2 км/ч.Найдите скорость течения и скорость лодки по течению реки.

Ответы

Автор ответа: ndusha
0
20,2-18,8=1,4 скорость реки

20,2+1,4=21,6 скорость лодки по реке
Автор ответа: aminka2002god
0
спс
Автор ответа: ravshan71
0
Скорость течения определяем 20,2-18,8=1,4 км/ч
Скорость лодки по течению 1,4+20,2=21,6 км/ч
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