如图,已知AB:AC=AE:AD.求证△ODB~△OEC
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如图,已知AD/DB=AE/EC,求证 :AD/AB=AE/AC.
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如图,已知AD.AB=AE.AC,求证△ABE~△ADC
如图,已知AB:AC=AE:AD.求证△ODB~△OEC
如图,已知:AB=AE,AC=AD,AC⊥AD,AB⊥AE.求证:ED⊥BC.
如图,已知AB⊥AC,AD⊥AE,AB=AC,AD=AE,求证△EAC≌△DAB
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已知:如图,AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证:△DAC≌△EAB.可能不太好看,
已知,如图,AB⊥AC,AB=AC,AD⊥AE,AD=AE.求证:△ABD≌△ACE
已知:如图,AD/AB=AE/BC求证:AD/AE=DB/EC和AB/DB=AC/EC
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已知如图AB=AC,求证AB²=AD×AE