有限数学示例

$[\begin{array}{c} 2.9 & 3 \\ 3.5 & 4 \end{array}] [\begin{array}{c} - 1 & 1 \end{array}]$

解题步骤 1

$[\begin{array}{c} 2.9 & 3 \\ 3.5 & 4 \end{array}] [\begin{array}{c} - 1 & 1 \end{array}]$

有限数学 示例