.如图,⊿ABC是等边三角形,点D,E分别在BC,AC上,且BD=CE,AD与BE相交于点F.(1)试说明⊿ABD≌⊿BCE.(2)⊿AEF与⊿ABE相似吗?说说你的理由.(3)BD2=AD•DF吗?请说明理由.图是15题
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![.如图,⊿ABC是等边三角形,点D,E分别在BC,AC上,且BD=CE,AD与BE相交于点F.(1)试说明⊿ABD≌⊿BCE.(2)⊿AEF与⊿ABE相似吗?说说你的理由.(3)BD2=AD•DF吗?请说明理由.图是15题](/uploads/image/z/2825791-7-1.jpg?t=.%E5%A6%82%E5%9B%BE%2C%E2%8A%BFABC%E6%98%AF%E7%AD%89%E8%BE%B9%E4%B8%89%E8%A7%92%E5%BD%A2%2C%E7%82%B9D%2CE%E5%88%86%E5%88%AB%E5%9C%A8BC%2CAC%E4%B8%8A%2C%E4%B8%94BD%3DCE%2CAD%E4%B8%8EBE%E7%9B%B8%E4%BA%A4%E4%BA%8E%E7%82%B9F.%281%29%E8%AF%95%E8%AF%B4%E6%98%8E%E2%8A%BFABD%E2%89%8C%E2%8A%BFBCE.%282%29%E2%8A%BFAEF%E4%B8%8E%E2%8A%BFABE%E7%9B%B8%E4%BC%BC%E5%90%97%3F%E8%AF%B4%E8%AF%B4%E4%BD%A0%E7%9A%84%E7%90%86%E7%94%B1.%283%29BD2%3DAD%26%238226%3BDF%E5%90%97%3F%E8%AF%B7%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1.%E5%9B%BE%E6%98%AF15%E9%A2%98)
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