.设A,B,C均为n阶方阵,AB=BA,AC=CA,则ABC=(   ) A.ACB B.CAB C.CBA D.BCA

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.设A,B,C均为n阶方阵,AB=BA,AC=CA,则ABC=(   ) A.ACB B.CAB C.CBA D.BCA
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.设A,B,C均为n阶方阵,AB=BA,AC=CA,则ABC=(   ) A.ACB B.CAB C.CBA D.BCA
.设A,B,C均为n阶方阵,AB=BA,AC=CA,则ABC=(   ) A.ACB B.CAB C.CBA D.BCA

.设A,B,C均为n阶方阵,AB=BA,AC=CA,则ABC=(   ) A.ACB B.CAB C.CBA D.BCA
D
因为 ABC=BAC=BCA