Предмет: Математика, автор: sabina3426

лодка двигается по течению со скоростью 15 км ч а против течения со скоростью 10 км ч Найди скорость движения лодки в стоячей воде и скорость течения реки

Ответы

Автор ответа: eldo2004
2
(10км/ч + 15км/ч)/2 = 12,5км/ч
15км/ч - 12,5км/ч = 12,5км/ч - 10км/ч = 2,5км/ч
ОТВЕТ: скорость движения лодки - 12,5км/ч, скорость течения реки - 2,5км/ч
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