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Автор - 4852088

(корень из 15 +корень из 10 )×2корень из 5-5корень из 12
решите пожалуйста))

Ответ

Автор - pasha19999
(√15+√10) · 2√5-5√12
√15+√10=√15+10=√25
2√5-5√12=√4 · 5 - √25 ·12 = √20-√300=-√280
√25 · (-√280) = √25 · (-280) = -√7000

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