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分类: 数学2 (军队文职)
发布时间: 2023-11-03 09:29
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A.A的任意m个列向量必线性无关
B.A的任一个m阶子式不等于0
C.非齐次线性方程组AX=b一定有无穷多组解
D.A通过行初等变换可化为(Em,0)
正确答案是C
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