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freeCodeCamp/guide/chinese/mathematics/how-to-divide-exponents/index.md
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---
title: How to Divide Exponents
localeTitle: 如何划分指数
---
## 如何划分指数
只要基数相同,您就可以划分指数表达式,将答案保留为指数表达式。
要用相同的基数划分指数(或幂),减去指数。除法是与乘法相反的,所以有意义的是,因为在将数字乘以相同的基数时添加指数,所以在将数字除以相同的基数时减去指数。
#### 术语
a ^ b所以a是基数b是指数。
#### 例子
![](http://d2r5da613aq50s.cloudfront.net/wp-content/uploads/165077.image0.png)
#### 注意
只要基数不为0任何0次幂的数等于1。