个位帮个忙啊如图,AB=AC,AD=AE,∠1=∠2.试说明:△ABD≌△ACE
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个位帮个忙啊如图,AB=AC,AD=AE,∠1=∠2.试说明:△ABD≌△ACE
ab⊥ac.ad⊥ae .ab=ac .ad=ae .说明 be⊥cd
如图,DE//BC,请问AD:AC=AE:AB?AD:AE=AB:AC?
如图,AD⊥AE,AB垂直AC,AD=AE,AB=AC,AD⊥AE ,AB=AC,求证:三角形ABD≌三角形ACE
如图,AB=AD,AC=AE,
ad·ac=ae·ab换成比例是什么
已知AB/AD=AC/AE=BC/DE.试说明AD*CE=BD*AE
ab=ac AD⊥bd ae⊥ce ad=ae 说明ob=oc
如图,已知AD/DB=AE/EC,求证 :AD/AB=AE/AC.
如图所示,已知AB⊥AC,AD⊥AE,AB=AC,AD=AE,求证:BE=DC
已知AD⊥AB,AE⊥AC,AD=AB,AE=AC,求证BE=DC
如图所示,已知AB⊥AC,AD⊥AE,AB=AC,AD=AE,求证:BE=DC非常急
在△ABC中,AD⊥AB,AD=AB,AE⊥AC,AE=AC,求证:BE=CD
如图,AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证BE⊥CD
如图,AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证BE⊥CD
如图AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证:△DAC≌三角形EAB
如图,已知:AB=AE,AC=AD,AC⊥AD,AB⊥AE.求证:ED⊥BC.
已知:如图,AC/AD=AB/DE=BC/AE.求证AB=AE