（根号5+2)^2010(根号5-2）^2011
人气：364 ℃ 时间：2019-12-16 06:31:51
解答
（根号5+2)^2010(根号5-2）^2011
=[(√5+2)(√5-2)]^2010×(√5-2)
=√5-2
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