\left[ \begin{array}{ll} 1 & 2 \\ 3 & 4 \end{array} \right] + \left[ \begin{array}{ll} 5 & 6 \\ 7 & 8 \end{array} \right]

请输入您的数学问题…… \left[ \begin{array}{ll} 1 & 2 \\ 3 & 4 \end{array} \right] + \left[ \begin{array}{ll} 5 & 6 \\ 7 & 8 \end{array} \right]

问题

[1324] + [5768]

矩阵

[610812]

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