сумма длин сторон прямоугольника42 см длина равна 12 см Чему равна ширина прямоугольника? - №20962782

сумма длин сторон прямоугольника42 см длина равна 12 см Чему равна ширина прямоугольника?
- Предмет:
  Математика
- Автор:
  grant298
- 6 лет назад

Ответы 1

( 42-2*12):2=9 (см) Ширина прямоугольника. Проверка: ( 12+9)*2= 42 (см).
- Автор:
  lukeaskp
- 6 лет назад
- 0
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