有限数学示例

$[\begin{array}{c} 2 & 1 & - 1 \\ 3 & 0 & 2 \end{array}] + [\begin{array}{c} 1 & - 2 & 3 \\ 4 & 0 & 1 \\ - 1 & 1 & 2 \end{array}]$

解题步骤 1

$[\begin{array}{c} 2 & 1 & - 1 \\ 3 & 0 & 2 \end{array}] + [\begin{array}{c} 1 & - 2 & 3 \\ 4 & 0 & 1 \\ - 1 & 1 & 2 \end{array}]$

有限数学 示例