有限数学示例

$[\begin{array}{c} 9 & 8 \\ - 6 & 7 \\ 6 & - 2 \end{array}] [\begin{array}{c} - 6 & - 5 \\ 10 & 5 \\ 7 & - 3 \end{array}]$

解题步骤 1

$[\begin{array}{c} 9 & 8 \\ - 6 & 7 \\ 6 & - 2 \end{array}] [\begin{array}{c} - 6 & - 5 \\ 10 & 5 \\ 7 & - 3 \end{array}]$

有限数学 示例