\input $HOME/tex_doc/format/myplain.tex %\magnification 1200 \titrestyle {\twentybf } %\decompression %\advance \vsize by 30mm \date {25 janvier 2007} \classification {Géométrie}{(1)} \classe {1gc} \let \exo \Exo \withoutcorrigbody \beginrepetita \titre {Barycentres} \def \datapath {% $HOME/tex_doc/lycee/database/1ere/sti/geometry/baryc/} \input \datapath intro_001.tex \input \datapath exo_007.tex \endrepetita \repetita 3 \end