当m=
时,最简二次根式
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000306710490708/SYS201311030003067104907009_ST/0.png)
和
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000306710490708/SYS201311030003067104907009_ST/1.png)
可以合并.
考点分析:
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