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

\title{Étude des variations}
\tribe{Terminale TESL}
\date{Mai 2020}

\pagestyle{empty}
\geometry{left=10mm,right=10mm, top=10mm}

\renewcommand{\baselinestretch}{0.8}

\DeclareExerciseCollection{banque}
\xsimsetup{
    step=2,
}

\begin{document}

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

\end{document}