答案1
又一个连分数符号!
\RequirePackage{fix-cm}
\documentclass{article}
\usepackage{amsmath}
\usepackage{xfrac}
\DeclareInstance{xfrac}{cmr}{text}{
slash-symbol=$\nearrow$,
slash-right-kern=-0.33333em,
slash-left-kern=-0.33333em,
numerator-top-sep=-0.5ex,
denominator-bot-sep=-1ex,
h-scale=1.5,
v-scale=1.5,
}
\newcommand{\Cfrac}[2]{\textup{\sfrac{#1}{#2}}}
\begin{document}
\[
\Cfrac{1}{3}+\Cfrac{1}{2}+\Cfrac{1}{4}
\]
\end{document}