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Собственная скорость теплохода 25 км /ч, а скорость течения 3 км/ч . Какой путь проплывет теплоход , если будет двигаться 4 часа по течению реки и 3 часа против течения реки?
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Предмет:
Математика -
Автор:
gabriellemroy - 6 лет назад
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Ответы 1
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25+3=28(км/ч) скорость теплохода и реки по течению реки.28•4=112(км ) проплыл теплоход по течению реки .25-3=22(км/ч) скорость теплохода и реки против течения реки.22•3=66(км) Ответ:66 км проплыл теплоход против течения реки.
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Автор:
taliamoss - 6 лет назад
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