如图,△ABC中,AB=AC,BD、CE分别是AC、AB边上的中线,BD、CE相交于点O,试说明OD=OE
file://C:\DocumentsandSettings\Administrator\LocalSettings\TemporaryInternetFiles\Con...
file://C:\Documents and Settings\Administrator\Local Settings\Temporary Internet Files\Content.IE5\5FNNDHCE\20100511220000-450132920[1].jpg是图要有理由 如∵AB=CD CD=BC∴AB=BC(等量代换)
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