• 2022-06-30
    用初等变换求矩阵[tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex]的逆矩阵[tex=1.714x1.214]ehC1Fy05fIHTeRCJHyodYA==[/tex],其中[tex=7.786x3.5]QN0fTQbn6M33pU3gx/S2slUv+QIAEV/W1i1RUgTPCJS5pjMUPJlmJuZaQR+goLgrPPAzFEdBL6LNcWP6UVDBDonPFtF71ARAIJfHtCzCnnHae7PJ53aRAO7HMNzanpFL[/tex].