• 2022-06-29
    用初等变换法求方阵[tex=8.0x3.643]NeoTBlf1CmkUoMf07Si5dAHONfLpXsEcoaxcRnN7H/v5jmfXuxkKouWQqAGpKxNQFmzH3ZGhlXB9Pfsa+qwjvUxlB1Zi6TpyLlAx4copOvlDCPLLc1tdx8Kb0f2aZggG[/tex]的的逆矩阵。