\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 1992} \def \datapath{% $HOME/tex_doc/lycee/database/btsmai/analyse/equadiff/} \input \datapath equ1_033.tex \vfill \def \datapath{% $HOME/tex_doc/lycee/database/btsmai/algebre/proba/} \input \datapath synt_007.tex \vfill \bye