Скорость катера по течению реки - 28,7 км/ч , а против течения - 23,4 км/ч Найдите скорость - №11619498

Скорость катера по течению реки - 28,7 км/ч , а против течения - 23,4 км/ч
Найдите скорость течения реки
- Предмет:
  Математика
- Автор:
  ryliegwoo
- 6 лет назад

Ответы 1

28.7-х=23.4+х 2х=5,3 х=2,65 скорость теч реки 2.65
- Автор:
  baylee
- 6 лет назад
- 0
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