Предмет: Математика, автор: Nika00900

Решите задачу!
При движении против течения, скорость которого 1 км/ч, расстояние 119 км теплоход проходит за 7 ч. Какое расстояние он пройдёт за то же время, двигаясь по течению. Постарайся решить эту задачу, не находя скорость теплохода.
Прошу, СРОЧНО!!!(

Ответы

Автор ответа: isom

119:?=17 км/ч ск. против течения
17+1=18 км/ч собств. ск.
18+1=19 км/ч ск. по течению
19*7=133 км

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