公式
行间公式
$$\alpha = \beta + \gamma$$\[\alpha = \beta + \gamma\]
行内公式
$\alpha = \beta + \gamma$I have an equation:\(\alpha = \beta + \gamma\).
$$\alpha = \beta + \gamma$$\[\alpha = \beta + \gamma\]
$\alpha = \beta + \gamma$I have an equation:\(\alpha = \beta + \gamma\).
原文：https://www.cnblogs.com/silentzpf/p/8352961.html