\documentclass[a4paper,12pt]{article}
\usepackage{myXsim}

\author{}
\date{Avril 2018}
\title{Distance de Kaweni}
\tribe{Sixième}

\pagestyle{empty}

\begin{document}

\begin{exercise}[subtitle={Loin de Kaweni?}]


\end{exercise}

\end{document}

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