超难数学几何题 如图,△ABC为等腰直角三角形,∠BAC=90度,D为AC的中点,AE⊥BD于E,求证∠BAE=∠FDC file:///C:/Documents%20and%20Settings/Administrator/Local%20Settings/Temporary%20Internet%20Files/Content.IE5/YPJSX0N2/2010050910
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