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【单选题】
设n阶方阵A,B,C,D满足关系式ABCD=E,其中E为n阶单位矩阵,则必有______.
A、ACBD=
E、
B、BDCA=E
C、CDAB=
E、
D、DCAB=E
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根据网考网考试中心的答案统计,该试题:
2%的考友选择了A选项22%的考友选择了B选项58%的考友选择了C选项18%的考友选择了D选项
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