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2倍根号3(3根号75-根号12-根号27
(根号5-根号3)(根号5+根号3)-(根号6+根号2)^2
人气:350 ℃ 时间:2020-01-30 05:06:56
解答
(根号5-根号3)(根号5+根号3)-(根号6+根号2)^2
= 5-3 -(√6+√2)^2
=2 - (6+2*√6*√2+2)
=2 - (8+4√3)
= -6-4√3
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