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лодка идет против течения реки за сколько часов она преодолеет расстояние 12 км если собственная скорость 30 км ч скорость течения реки 2 км в час
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Предмет:
Математика -
Автор:
eve5lvy - 6 лет назад
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Ответы 1
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Лодка плывет против течения, значит его скорость: 30-2=28 км/чt=S/v=12/28≈0.42
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Автор:
johnnymontgomery - 6 лет назад
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0
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