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2+根号3-(根号3-1)分之1
人气:243 ℃ 时间:2020-05-30 19:37:26
解答
2+√3- 1/(√3-1)
=2+√3-(√3+1)/(3-1)
=2+√3- √3/2 -1/2
=(3/2) + (√3/2)
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