有限数学示例

$[\begin{array}{c} 8 & 7 & 9 \\ 5 & 4 & 6 \\ 1 & 2 & 3 \end{array}]$

解题步骤 1

$[\begin{array}{c} 8 & 7 & 9 \\ 5 & 4 & 6 \\ 1 & 2 & 3 \end{array}]$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$