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如图,在菱形ABCD中,DE⊥AB,,BE=2,则tan∠DBE的值( ) A....
如图,在菱形ABCD中,DE⊥AB,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190251933107079/SYS201311011902519331070008_ST/0.png)
,BE=2,则tan∠DBE的值( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190251933107079/SYS201311011902519331070008_ST/images1.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190251933107079/SYS201311011902519331070008_ST/1.png)
B.2
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190251933107079/SYS201311011902519331070008_ST/2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190251933107079/SYS201311011902519331070008_ST/3.png)
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