\documentclass[a4paper, landscape, twocolumn, 10pt]{article} \usepackage{myXsim} \title{Ajustement affine -- annales} \tribe{Terminale TST} \date{Mai 2021} \pagestyle{empty} \geometry{left=10mm,right=10mm, top=10mm} \DeclareExerciseCollection{banque} \xsimsetup{ step=3, } \begin{document} \input{exercises.tex} \printcollection{banque} \end{document}