有限数学示例

$[\begin{array}{c} - 6 & 10 \\ 9 & - 10 \\ - 1 & 5 \end{array}] \cdot [\begin{array}{c} 9 & 7 \\ 9 & - 7 \\ 8 & 5 \end{array}]$

解题步骤 1

$[\begin{array}{c} - 6 & 10 \\ 9 & - 10 \\ - 1 & 5 \end{array}] \cdot [\begin{array}{c} 9 & 7 \\ 9 & - 7 \\ 8 & 5 \end{array}]$

有限数学 示例