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<p>设A和B均为n阶矩阵，则必有()《》() <img alt="" src="https://learnfile.20
分类: 数学1 (军队文职)
发布时间: 2023-11-03 09:28
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设A和B均为n阶矩阵，则必有()《》()
A.A
B.B
C.C
D.D
正确答案是C
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