доисуй фигуру до прямоугольника,площадь которого равна 21 см2.Вычисли периметр этого прямоугольника: - №20351970

доисуй фигуру до прямоугольника,площадь которого равна 21 см2.Вычисли периметр этого прямоугольника:
- Предмет:
  Математика
- Автор:
  kane
- 6 лет назад

Ответы 1

1) 21=7*32)(7+3)*2=20
- Автор:
  titoapil
- 6 лет назад
- 0
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