已知:如图,点D、E在△ABC的边BC上,AB=AC,BE=CD.求证:AD=AE.
已知,在△ABC中,AB=AC,点D和点E分别在AB和AC上,且AD=AE,BE和CD相交于点O.求证:点O在线段BC的
如图,点D,E在△ABC的边BC上,AB=AC,AD=AE.求证BE=CE
如图,点D,E在△ABC的边BC上,AB=AC,AD=AE.求证BE=CE...
如图,已知△ABC中,点D,E在BC上,AD=AE,AB=AC,BE=CD.试说明△ABD≌△DACE
已知:如图,D,E分别是△ABC的边BC、AB上的点,BD=BE,AC=AD,角B=60°.求证:AE=CD+DE
如图4,已知点D、E在△ABC的边BC上,AB=AC,AD=AE,求证:BD=CE
如图,已知点D,E在△ABC的边BC上,AB=AC,AD=AE.求证:BD=CE
已知:如图,点D,E在△ABC的边BC上,AB=AC,AD=AE.求证:BD=CE
已知:如图,点D、E在△ABC的边BC上,AD=AE,∠BAD=∠CAE.求证:AB=AC
已知:如图,点D、E在△ABC的边BC上,AD=AE,∠BAD=∠CAE.求证:AB=AC【用三线合一】
已知:如图,AB=AC,点D,E分别在AB,AC上,且AD=AE,BE,CD相交于点o求证:点O在线段BC的垂直平分线上
已知:如图,在△ABC中,AB=AC 点D E在边BC上,且BD=CE,求证:AD=AE