Автор - cherednik0511

9. Вычислите (3-√5)²*(14+6√5)-8√12¼

Ответ

Автор - maymr

1) (3 - √5)² = 9 - 6√5 + 5 = 14 - 6√5

2) (14 - 6√5)(14 + 6√5) = 196 - 180 = 16

3) 16 - 8√12,25 = 16 - 28 = -12

Ответ: -12

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