AB=AD,AC=AE,BC=DE.求证∠BAD=∠CAE
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已知:如图,AC/AD=AB/DE=BC/AE.求证AB=AE
已知,如图,AD/AC=DE/AB=AE/BC,求证AB=AE
已知,如图,AD:AC=DE:AB=AE:BC 求证:AB=AE
初一的1题几何:已知AB=AC,AD=AE,求证:DE平行于BC已知AB=AC,AD=AE,求证:DE // BC
如图AB=AE,AC=AD,ED=BC,AE⊥AB 求证BC⊥DE
AB=CD.DE垂直AC.BF垂直AC.AE=CF.求证BC=AD.BC∥AD
AB=AD,AC=AE,BC=DE.求证∠BAD=∠CAE
如图,AB/AD=BC/DE=AC/AE,求证:∠BAD=∠CAE
如图AB/AD=BC/DE=AC/AE,求证∠ABD=∠ACE
如图,在△ABC中,DE∥BC,AD/BD=AE/EC,求证:AD/AB=AE/AC
如图,AB=AD,AC=AE,角BAD=角CAE,连接BC,DE,求证:BC=DE.
如图,AB=AD,AC=AE,∠BAD=∠CAE,连接BC、DE,求证:bc=de
如图,DE//BC,请问AD:AC=AE:AB?AD:AE=AB:AC?
如图,AB垂直于AC,AD垂直于AE,AB=AD,BC=DE.求证:AM=AN
AB⊥AC,AD⊥AE,AB=AD,BC=DE,求证AM=AN图片图片
已知:如图,AB/AD=AC/AE=BC/DE,求证,AB乘EC=AC乘BD
如图,AB=AE,AB⊥AE,AD=AC,AD⊥AC,M为BC中点,求证:DE=2AM
如图,在△ABC中,AD⊥AB,AD=AB,AE⊥AC,AE=AC,M为BC中点 求证:2AM=DE