\documentclass[a4paper,10pt]{article}
\usepackage{myXsim}

\usetikzlibrary{shapes.geometric}

\author{Benjamin Bertrand}
\title{Fractions et opérations - Exercices}
\date{2021-11-14}

\DeclareExerciseCollection[step=3]{banque}
\xsimsetup{
    collect,
}

\pagestyle{empty}


\begin{document}
\input{exercises.tex}

\printcollection{banque}

\printsolutions{exercise}


\end{document}