摘要:在 ABC 和A1B1C1中 , 下面给出了四组条件 , 其中不一定能判定ABC ≌A1B1C1一组 是( ) A .AB = A1B1 ,BC =B1C1 ,CA=C1A1 B .C= C1=900 ,AB = A1B1 ,BC =B1C1 C . AB = A1B1 ,AC =A1C1 B = B1 D .AB =A1B1 ,AC =A1C1 , A = A1

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