Latex 大括号语法如下:


\left\{ 
\begin{aligned}

1 \\ 
2 \\
3 \\
4 \\
5

\end{aligned}
\right.

显示如下:

\[ \left\{ \begin{aligned} 1 \\ 2 \\ 3 \\ 4 \\ 5 \end{aligned} \right. \]