有限数学示例

$[\begin{array}{c} 4 \\ 2 \\ 1 \end{array}] [\begin{array}{c} 12 \\ 7 \\ 8 \end{array}]$

解题步骤 1

$[\begin{array}{c} 4 \\ 2 \\ 1 \end{array}] [\begin{array}{c} 12 \\ 7 \\ 8 \end{array}]$

有限数学 示例