\input $HOME/tex_doc/format/myplain.tex %\magnification 1200 %\bookstyle %\titrestyle {\twentybf } %\withoutcorrigbody \withoutexobody %\advance \vsize by 10mm \let \exo \Exo %\footline {\hss \tenrm \folio $/2$\hss} \titre {\twentybf Brevet de technicien supérieur, session 1993} \def \datapath{% $HOME/tex_doc/lycee/database/btsmai/analyse/equadiff/} \input \datapath equ2_013.tex \def \datapath{% $HOME/tex_doc/lycee/database/btsmai/stats/infer/} \input \datapath synt_004.tex \bye