упростите выражение (а+2b)²-(a-2b)² и найдите его значение если ab=0.125 - №16807900

упростите выражение
(а+2b)²-(a-2b)² и найдите его значение если ab=0.125
- Предмет:
  Математика
- Автор:
  savion
- 5 лет назад

Ответы 1

a²+4ab+4b²-a²+4ab-b²=8ab=1
- Автор:
  edgargt4f
- 5 лет назад
- 0
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