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已知点.设∠AOB的平分线OE与AB相交于E,那么有=λ,其中λ等于( ) A....
已知点
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.设∠AOB的平分线OE与AB相交于E,那么有
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=λ
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,其中λ等于( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100647183951871/SYS201311031006471839518007_ST/3.png)
B.3
C.-3
D.
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