已知AB=AC,E和D分别在AB,AC上,BD与CE交于点F,且∠ABD=∠ACE 求证:BF=CF
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![已知AB=AC,E和D分别在AB,AC上,BD与CE交于点F,且∠ABD=∠ACE 求证:BF=CF](/uploads/image/z/9455053-13-3.jpg?t=%E5%B7%B2%E7%9F%A5AB%3DAC%2CE%E5%92%8CD%E5%88%86%E5%88%AB%E5%9C%A8AB%2CAC%E4%B8%8A%2CBD%E4%B8%8ECE%E4%BA%A4%E4%BA%8E%E7%82%B9F%2C%E4%B8%94%E2%88%A0ABD%3D%E2%88%A0ACE+%E6%B1%82%E8%AF%81%3ABF%3DCF)
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