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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.秩r (A)=1 B.秩r (A)=2
A.秩r
B.=3
C.秩r
D.=4
正确答案是B
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A.秩r
(A)=1
B.秩r
(A)=2
A.秩r
(A)=1
B.秩r
(A)=2