一个比较简单但有时会马虎的知识点 2的二分之一和3的三分之一哪个大 2的二分之一次方是多少 2的二分之一次幂的平方 2的二分之一次幂是多少 2的二分之一次方是实数吗 1.2的二分之一次方 2三分之一次方和1.2比较大小 二分之一的2次方根 2和二分之一互为倒数吗 二分之一等于2的负一次方吗 2的二分之一次和2的-2次分别是多少?
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我来说两句