\input ../format/myplain.tex \let \exo \Exo \titrestyle {\twentybf } \date {31 mai 2001} \classe {bts mai} \duree {2h} \withoutcorrigbody \titre {BTS groupement B session 2001} \def \datapath{} \bareme {9} \input \datapath synt_005.tex \def \datapath {} \bareme {11} \input \datapath equ1_028.tex \end