设向量=(1,2,1)T,=(1,2,1)T, =(1,2,1)T,
设向量=(1,2,1)T, 高老师2年前 (2024-03-26)线性代数(经管类)(04184)8
设向量=(1,2,1)T,=(-1,-2,-3)T,则3-2_________.
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