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

\author{Benjamin Bertrand}
\title{Intervalles - Exercices}
\date{Mai 2023}

\DeclareExerciseCollection[step=4]{banque}
\xsimsetup{collect}

\pagestyle{empty}

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

\setcounter{exercise}{7}
\printcollection{banque}
\vfill
\printcollection{banque}
\vfill

\end{document}