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分类: 数学3 (军队文职)
发布时间: 2023-11-03 09:30
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A.I123
B.I132
C.I321
D.I312
正确答案是B
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已知4阶矩阵A~ B，A的特征值为3,4,5,6，E为4阶单位矩阵，则|B-E|=()
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