△ABC中,DE‖BC,BE与CD交于点O,AO与DE、BC分别交于点N、M,则下列结论错误的是:

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查看11 | 回复1 | 2011-1-25 10:53:59 | 显示全部楼层 |阅读模式
△ABC中,DE‖BC,BE与CD交于点O,AO与DE、BC分别交于点N、M,则下列结论错误的是:
A、AN/AM=ON/OM
B、S△ONE/S△OMB=AN2/AM2
C、AN/AM=OE/OC
D、ON2/OM2=S△ADE/S△ABC

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千问 | 2011-1-25 10:53:59 | 显示全部楼层
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