(1/2010)²*(1/2011)³*2011²*2010³=
人气:210 ℃ 时间:2020-04-20 03:36:21
解答
(1/2010)²×(1/2011)³×2011²×2010³=[(1/2010)×2011]²×[(1/2011)×2010]³=(2011/2010)²×(2010/2011)³=(2011/2010)²×(2010/2011)²×(2010/2011)=[(2011/2010...
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