![为什么枚举列表中高分数的间距取决于顺序?](https://linux22.com/image/348273/%E4%B8%BA%E4%BB%80%E4%B9%88%E6%9E%9A%E4%B8%BE%E5%88%97%E8%A1%A8%E4%B8%AD%E9%AB%98%E5%88%86%E6%95%B0%E7%9A%84%E9%97%B4%E8%B7%9D%E5%8F%96%E5%86%B3%E4%BA%8E%E9%A1%BA%E5%BA%8F%EF%BC%9F.png)
当 dfrac 放在列表末尾时,似乎会忽略 lineskip。为什么会这样?
\documentclass[10pt]{article}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{amsthm}
\usepackage{enumitem}
\renewcommand{\labelenumii}{\textbf{\Alph{enumii}.}}
\setlength{\lineskip}{4pt}
\newenvironment{myenum}
{\begin{enumerate}[labelsep=2.5mm, align=left,leftmargin=*]
\setlength{\itemsep}{1pt}
\setlength{\parskip}{0pt}
\setlength{\parsep}{0pt}}
{\end{enumerate}}
\begin{document}
\begin{enumerate}
\item blahblah
\begin{myenum}
\item $4.25 - c > 200$
\item $4.25 + c \leq 200$
\item $\dfrac{c}{4.25} > 200$ %%% when this is placed at the end of the list, the spacing before it gets reduced
\item $4.25c \leq 200$
\item $4.25c > 200$
\end{myenum}
\end{enumerate}
\end{document}