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求矩阵的逆(0 0 1 -1 ,0 3 1 4 ,2 7 6 -1,1 2 2 -1)
人气:272 ℃ 时间:2020-04-14 09:49:40
解答
(A,E)=0 0 1 -1 1 0 0 00 3 1 4 0 1 0 02 7 6 -1 0 0 1 01 2 2 -1 0 0 0 1r2-r1,r3-6r1,r4-2r10 0 1 -1 1 0 0 00 3 0 5 -1 1 0 02 7 0 5 -6 0 1 01 2 0 1 -2 0 0 1r3-2r40 0 1 -1 1 0 0 00 3 0 5 -1 1 0 00 3 0 3 -2...
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