<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\newcount\exno\newcount\questno\newcount\tdno
\def\findoc{\BYE}
\let\BYE=\bye
% entete de TD
\def\TD#1{\global\advance\tdno by 1\exno=0
\centerline{\bf TD $\the\tdno$}
\centerline{\bf#1}
\bigbreak
}
% exercice
\def\xxo#1#2#3{\advance\exno by 1\questno=0\bigbreak
\line{\bf #1 $\the\exno$ #2 \quad #3\hss}\smallbreak}
\def\exo{\xxo{\hss Exercice}:}
\def\xo{\xxo{}{}}
% question
\def\quest{\advance\questno by 1 \par\noindent {\bf Question\ $\the\questno$ :}\quad}
\def\uest{\advance\questno by 1 \par\noindent $\the\questno$--}
\def\corrige{\vfill\eject\exno=0\questno=0
\centerline{\bf corrig\'e}
\bigbreak
}
\def\titre#1{\bigbreak{\bf#1}\par\penalty100\medskip}
\def\para#1){\bigbreak{\bf#1)} }
\def\N{{I\!\!N}}
\def\Net{{I\!\!N^*}}
\def\Q{{\,I\!\!\!Q}}
\def\R{{I\!\!R}}
\def\Z{{Z\!\!\!Z}}
\def\C{{\,l\!\!\!C}}
\def\abs#1{{\left\vert#1\right\vert}}
\def\norme#1{{\left\Vert#1\right\Vert}}
\def\Norme#1{{\left\vert\left\vert\left\vert#1
\right\vert\right\vert\right\vert}}
\def\ent#1{{\left\lfloor#1\right\rfloor}}
\def\entsup#1{{\left\lceil#1\right\rceil}}
\def\entraine{\;\Longrightarrow\;}
\def\ssi{\relax\;\Longleftrightarrow\;}
\def\t{{}^{\kern2pt t\kern-2pt}}
\def\ch{\mathop{\rm ch}\nolimits}
\def\sh{\mathop{\rm sh}\nolimits}
\def\th{\mathop{\rm th}\nolimits}
\def\pgcd{\mathop{\rm pgcd}\nolimits}
\def\arctg{\mathop{\rm Arc\,tg}\nolimits}
\let\eps=\varepsilon
\let\ds=\displaystyle
\begingroup
\catcode`\{=11 \global\let\lacco={
\catcode`\}=11 \global\let\racco=}
\endgroup
{\def\aaaa{\catcode`\\=11 \global\let\bksl} \aaaa=\ }
{\obeyspaces\gdef\blanc{\obeyspaces\let =\ }}
\let\qar=\par
\def\ligne{\qar\hskip0pt}
\let\dblq="
{\catcode`\"=\active
\gdef\debchaine{\dblq\catcode`\\=11 \let"=\finchaine}
\gdef\finchaine{\dblq\catcode`\\=0  \let"=\debchaine}
\global\let"=\debchaine
}
\def\tty#1{\let\suite=\tty
\ifx#1.\let\suite=\tt \parindent=0pt \obeylines \blanc \else
\ifx#1;\let\suite=\relax\else
\ifx#1c\def\suite{\begingroup\def\n{\bksl n}\tty p"~\%&amp;\{\}}\else
\ifx#1n\def\suite{\tty \\$}\let\{=\lacco \let\}=\racco \else
\ifx#1p\def\suite{\tty ^_\#}\let\\=\bksl\else
\ifx#1"\catcode`"=\active\else\catcode`#1=11
\fi\fi\fi\fi\fi\fi\suite}
\def\verbatim{\tty p&amp;.}
\def\verbatimn{\tty pn.}
\def\verbatimc{\tty c.}
\def\verbatimcinput#1{\verbatimc\let\par\ligne\input#1\endgroup}
\def\verbatimninput#1{{\verbatimn\let\par\ligne\input#1}}
\def\nom#1{\edef#1{{\tt\expandafter\mange\string#1}}}
\def\mange#1{}
\def\br{\hfill\break}
\catcode`\²=\active \def²{\ifmmode^2\else$²$\fi}
\catcode`\³=\active \def³{\ifmmode^3\else$³$\fi}
\catcode`\°=\active \def°{\ifmmode^\circ\else$°$\fi}
\catcode`\±=\active \let±=\pm
\catcode`\=\active \def{\"u}   \catcode`\¼=\active \def¼{\"u}   \catcode`\ü=\active \defü{\"u}  
\catcode`\‚=\active \def‚{\'e}   \catcode`\©=\active \def©{\'e}   \catcode`\é=\active \defé{\'e}
                                                                        \catcode`\É=\active \defÉ{\'E}
\catcode`\ƒ=\active \defƒ{\^a}   \catcode`\¢=\active \def¢{\^a}   \catcode`\â=\active \defâ{\^a}
\catcode`\„=\active \def„{\"a}   \catcode`\¤=\active \def¤{\"a}   \catcode`\ä=\active \defä{\"a}
\catcode`\…=\active \def…{\`a}                                    \catcode`\à=\active \defà{\`a}
\catcode`\‡=\active \def‡{\c c}  \catcode`\§=\active \def§{\c c}  \catcode`\ç=\active \defç{\c c}
\catcode`\ˆ=\active \defˆ{\^e}   \catcode`\ª=\active \defª{\^e}   \catcode`\ê=\active \defê{\^e}
\catcode`\‰=\active \def‰{\"e}   \catcode`\«=\active \def«{\"e}   \catcode`\ë=\active \defë{\"e}
\catcode`\Š=\active \defŠ{\`e}   \catcode`\¨=\active \def¨{\`e}   \catcode`\è=\active \defè{\`e}
\catcode`\‹=\active \def‹{\"\i } \catcode`\¯=\active \def¯{\"\i } \catcode`\ï=\active \defï{\"\i }
\catcode`\Œ=\active \defŒ{\^\i } \catcode`\®=\active \def®{\^\i } \catcode`\î=\active \defî{\^\i }
\catcode`\“=\active \def“{\^o}   \catcode`\´=\active \def´{\^o}   \catcode`\ô=\active \defô{\^o}
\catcode`\”=\active \def”{\"o}   \catcode`\¶=\active \def¶{\"o}   \catcode`\ö=\active \defö{\"o}
\catcode`\–=\active \def–{\^u}   \catcode`\»=\active \def»{\^u}   \catcode`\û=\active \defû{\^u}
\catcode`\—=\active \def—{\`u}   \catcode`\¹=\active \def¹{\`u}   \catcode`\ù=\active \defù{\`u}
\catcode`\˜=\active \def˜{\"y}   \catcode`\¿=\active \def¿{\"y}   \catcode`\ÿ=\active \defÿ{\"y}
</pre></body></html>