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如图所示，∠E=∠F=90°，∠B=∠C，AE=AF，有以下结论：①EM=FN；②CD=DN；③∠FAN=∠EAM；④△ACN≌△ABM．其中正确的有（ ）
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教案备课库《七（2）年级暑假数学作业（七）》真题及答案
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