已知等腰直角三角形
中,
,
分别是
上的点,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795bd6121dee1d311f189fbf2d1a82a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd6877751384616819a8ddeef96c4133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7742faf06cd6e025bc4b5d09b6806a35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499f02e624b84c5fa5d479d24a3ed99a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795bd6121dee1d311f189fbf2d1a82a.png)
![](https://img.xkw.com/dksih/QBM/2017/8/22/1757787158700032/1758983172440064/STEM/dcae981a33e546a7937e2a5be707bb2f.png?resizew=139)
更新时间:2017-09-08 00:16:36
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_____ .
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