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如图,D、E是△ABC中BC边的两个分点,F是AC的中点,AD与EF交于O,则等...
如图,D、E是△ABC中BC边的两个分点,F是AC的中点,AD与EF交于O,则
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101342318619997/SYS201311031013423186199014_ST/0.png)
等于( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101342318619997/SYS201311031013423186199014_ST/images1.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101342318619997/SYS201311031013423186199014_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101342318619997/SYS201311031013423186199014_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101342318619997/SYS201311031013423186199014_ST/3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101342318619997/SYS201311031013423186199014_ST/4.png)
考点分析:
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