оцените площадь прямоугольника со сторонами a и b если 2<a<3 и 9<b<10 - №31909165

оцените площадь прямоугольника со сторонами a и b если 2<a<3 и 9<b<10
- Предмет:
  Алгебра
- Автор:
  elías52
- 6 лет назад

Ответы 1

2 < a < 3
9 < b < 10
S = a*b
2*9 < a*b < 3*10
Ответ: 18 < ab < 30
- Автор:
  atkins
- 6 лет назад
- 0
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