有限数学示例

$[\begin{array}{c} 5 & 4 \end{array}] + [\begin{array}{c} - 2 \\ 7 \end{array}]$

解题步骤 1

$[\begin{array}{c} 5 & 4 \end{array}] + [\begin{array}{c} - 2 \\ 7 \end{array}]$

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