\input $HOME/tex_doc/format/myplain.tex %\magnification 1200 %\bookstyle %\titrestyle {\twentybf } \withoutcorrigbody %\withoutexobody %\advance \vsize by 25mm \let \exo \Exo \footline {\hss \tenrm \folio $/2$\hss} \duree {2h} \titre {\twentybf Brevet de Technicien Supérieur} \centerline {\fourteenbf Session 1993} \def \datapath{% $HOME/tex_doc/lycee/database/btsmai/analyse/equadiff/} \bareme {12} \input \datapath equ2_013.tex \vfill \def \datapath{% $HOME/tex_doc/lycee/database/btsmai/stats/infer/} \bareme 8 \input \datapath synt_004.tex \vfill \bye