阿Q吧 > 二的负一次方等于多少？怎么算的？

二的负一次方等于多少？怎么算的？

2025-03-17 05:36:42
推荐回答（1个）
回答1：

二的负一次方就等于二的一次方的倒数，即1/2
指数为负的计算就是这么定义的

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