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<p>设A为矩阵,<img alt="" src="https://learnfile.20230611.cn/learnApp
分类: 数学2 (军队文职)
发布时间: 2023-11-03 09:29
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设A为矩阵,
都是线性方程组Ax=0的解,则矩阵A为:
A.A
B.B
C.C
D.D
正确答案是D
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