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1-根号27+ 1-根号2的绝对值 +1/(根号3+根号2)
人气:488 ℃ 时间:2020-05-23 16:48:19
解答
=(1-3)+(根号2-1)+(根号3-根号2)/((根号3+根号2)*(根号3-根号2))
=-2+(根号2-1)+(根号3-根号2)/(3-2)
=根号3-3
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