\left[ \begin{array}{ll} 9 & 4 \\ 2 & 1 \end{array} \right] \left[ \begin{array}{ll} 3 & 2 \\ 1 & 0 \end{array} \right]

请输入您的数学问题…… \left[ \begin{array}{ll} 9 & 4 \\ 2 & 1 \end{array} \right] - \left[ \begin{array}{ll} 3 & 2 \\ 1 & 0 \end{array} \right]

问题

矩阵

解决方案

[6121]

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