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

\title{Étude de signe}
\tribe{1ST}
\date{Mai 2020}

\pagestyle{empty}

\DeclareExerciseCollection{banque}
\xsimsetup{
    step={5},
}

\begin{document}

\input{banque.tex}
\printcollection{banque}

\end{document}

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