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27的负的三分之二次方是多少
更新时间: 2020-07-07 00:00:00  

求二十七的负三分之二次,首先要知道负指数幂就是求原数的倒数,所以可以先不计算负指数幂。再计算三分之二次方,二十七的三分之二次方就相当于二十七平方后再开三次方,这样求得九。九的倒数为九分之一,也可能是负的九分之一。

关键词: 分之 次方 多少

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