\input $HOME/tex_doc/format/myplain.tex %\magnification 1200 %\advance \vsize by 20mm \let \exo \Exo \withoutcorrigbody \date {19 mai 2004} \classe {2L} \duree {1h} \titre {\twentybf Devoir surveillé n\raise 5pt \hbox {\tenbf o} 12} \def \datapath {% $HOME/tex_doc/lycee/database/2nd/algebre/inequations/} \bareme {4, 5} \input \datapath frct_011.tex \def \datapath {% $HOME/tex_doc/lycee/database/2nd/algebre/valeur_absolue/} \bareme {1, 5} \input \datapath ineq_003.tex \def \datapath {% $HOME/tex_doc/lycee/database/2nd/geometrie/transform/} \bareme {10} \input \datapath synt_001.tex \bareme {4} \input \datapath demo_001.tex \bye