Предмет: Алгебра, автор: neptonni

расстояние между пристанями равно 84 км. двигаясь по течению реки, катер прошёл это расстояние на 1 час быстрее, чем обратный путь. найдите собственную скорость катера, если скорость течения реки равно 1 км/ч

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Автор ответа: AndreyC1980

15

Вроде-бы так(но это не точно)))))))

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