Автомобиль проехал две седьмых намеченного маршрута, какова длина маршрута если автомобиль должен проехать ещё 15км

Автомобиль проехал две седьмых намеченного маршрута, какова длина маршрута если автомобиль должен проехать ещё 15км
- Предмет:
  Математика
- Автор:
  goon
- 6 лет назад

Ответы 2

1)7/7-2/7=5/7 пути осталось проехать автомобилю2)15:5·7=21 км длина маршрутаОтвет:21 км
- Автор:
  hot saucemxdh
- 6 лет назад
- 0
1) 7/7 - 2/7 = 5/7 - осталось проехать автомобилю2) 15 : 5 = 3 км - составляет 1/7 часть пути3) 3 * 2 = 6 км автомобиль проехал4) 15 + 6 = 21 км - длина всего маршрута
- Автор:
  abbey47
- 6 лет назад
- 0
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