基础数学示例

${(\sqrt{5} - 2)}^{2} \cdot (9 + 4 \sqrt{5}) - 2 \sqrt{5 \cdot \frac{4}{9}}$

解题步骤 1

${(\sqrt{5} - 2)}^{2} \cdot (9 + 4 \sqrt{5}) - 2 \sqrt{5 \cdot \frac{4}{9}}$

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