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数学七年级上册：如图，已知BE=CF,BF⊥AC,求证，AD平分∠BAC
数学七年级上册：如图，已知BE=CF,BF⊥AC,求证，AD平分∠BAC
人教版七年级数学，最常考考易错重要知识点、竞赛、综合压轴题99/284
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