проверьте верность равенства a+(b-c)=(a-c)+b при a=922, b=457 и c=223

проверьте верность равенства a+(b-c)=(a-c)+b при a=922, b=457 и c=223
- Предмет:
  Математика
- Автор:
  stitchxtj8
- 6 лет назад

Ответы 2

a +(b - c) = (a - c) + b922 +(457-223) = (922 - 223) + 457922 + 234 = 699 + 4571156 = 1156
- Автор:
  madison2
- 6 лет назад
- 0
Для того, чтобы проверить верность равенства совсем не обязательно подставлять значения. Для этого достаточно раскрыть скобки соблюдая правила.а+(в-с)=(а-с)+ва+в-с=а-с+ва+в-с=а+в-с.Левая часть равна правой. И какие бы числа не подставляли вместо а в и с равенство будет верно.
- Автор:
  mollyorozco
- 6 лет назад
- 0
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проверьте верность равенства a+(b-c)=(a-c)+b при a=922, b=457 и c=223

Ответы 2

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