[Tex/LaTex] How to horizontally align items with equations in multicols package

#enumeratehorizontal alignmentmulticol

I am using the multicols package in combination with enumerate environment, with equations in each item. Each item is aligned horizontally with its equation, and I like that. Whay I dont like is that items are not aligned horizontally between them. There a solution for align items horizontally between them, with this package, or another one?

This is a MWE:

\documentclass[12pt]{article}
\usepackage{multicol}
\begin{document}
\begin{multicols}{4}
\begin{enumerate}
\item $\displaystyle \frac{1}{1+\frac{1}{x}}$
\item $\displaystyle \frac{1}{1+\frac{1}{x}}$
\item $\displaystyle 1+x$
\item $\displaystyle 1+x$
\end{enumerate}
\end{multicols}
\end{document}

Best Answer

May be you are safe with tasks

\documentclass{article}
\usepackage[more]{tasks}
\begin{document}
  \begin{tasks}[style=enumerate](4)
  \task $\displaystyle \frac{1}{1+\frac{1}{x}}$
  \task $\displaystyle \frac{1}{1+\frac{1}{x}}$
  \task $\displaystyle 1+x$
  \task $\displaystyle 1+x$
  \end{tasks}
\end{document}

enter image description here

Or with enumitem

\documentclass[12pt]{article}
\usepackage[inline]{enumitem}
\begin{document}
\begin{enumerate*}[itemjoin=\hfill]
\item $\displaystyle \frac{1}{1+\frac{1}{x}}$
\item $\displaystyle \frac{1}{1+\frac{1}{x}}$
\item $\displaystyle 1+x$
\item $\displaystyle 1+x$
\end{enumerate*}

\end{document}

enter image description here

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