如图,以O为圆心,适当长为半径画弧,交横轴于点M,交纵轴于点N,再分别以点M、N为圆心,大于
MN的长为半径画弧,两弧交于点P.若点P到横轴和纵轴的距离分别为2a-1、a+2,则a=_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/2019/7/4/2239689384435712/2240263951196160/STEM/f1630e86403d45a5a37c80f7e75b0841.png?resizew=124)
更新时间:2019-07-05 13:31:35
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