【解决】ParseError: KaTeX parse error: \cr valid only within a tabular/array environment
使用array即可，如：效果一$\begin{array}{cc}1\end{array}$或$\begin{array}{cc}1\end{array}$1\begin{array}{cc}1\end{array}1效果二$\begin{array}{cc}\LARGEf(x)=\frac{1}{\sqrt{2\pi}\sigma}e^{-\frac{(x-\mu)^2}{2\sigma^2}}