答案1
括号部分在字体中可用,我将字体表放在示例的第 1 页,以便您可以找到其他部分,但只需进行一些手动调整即可}
获得
\documentclass[a4paper]{article}
\usepackage{fonttable}
\DeclareMathSymbol{\xrbtop}{\mathord}{largesymbols}{"31}
\DeclareMathSymbol{\xrbmid}{\mathord}{largesymbols}{"3D}
\DeclareMathSymbol{\xrbbot}{\mathord}{largesymbols}{"41}
\newcommand\rbtop{\smash{\raisebox{5pt}{$\xrbtop$}}}
\newcommand\rbmid{\smash{\raisebox{12pt}{$\xrbmid$}}}
\newcommand\rbbot{\smash{\raisebox{15pt}{$\xrbbot$}}}
\newcommand\rbdots[1]{\smash{\raisebox{#1pt}{$\mkern6mu\vdots$}}}
\begin{document}
\xfonttable{OMX}{cmex}{m}{n}
\[
\begin{array}{cl}
A&\rbtop\\
B&\\
C&\rbdots{1}\\
D&\rbmid\\
E&\rbdots{-8}\\
F&\\
G&\rbbot\\
\end{array}
=X
\]
\end{document}