entete1.sty

% \setlength{\oddsidemargin}{-1.3cm}
% \setlength{\evensidemargin}{0.5cm}
% \setlength{\textwidth}{18.5cm}
% \setlength{\topmargin}{-3cm}
% \setlength{\textheight}{27.5cm}
% \setlength{\footskip}{-3cm}
\usepackage{amssymb}
\usepackage{amsmath} %a mettre avant babel
\usepackage{amsfonts}
\usepackage{graphics}
%\usepackage{xypic} pas installe encore
\usepackage[french]{babel} 
%\usepackage{fancyhdr}
\usepackage{fancybox}
\usepackage{geometry}
%\usepackage{graphicx}
%\usepackage{pstricks}
%\newcommand{\my}[3]{%
% \fbox{%
%       \begin{minipage}{17cm}%
%        {#1} \hfill {#2} \hfill {#3}.% 
%       \end{minipage}%
%       }            }%
% 
\renewcommand{\thesection}{\Roman{section}}
\renewcommand{\labelenumi}{{\bf{\arabic{enumi}}/}}
\renewcommand{\labelenumii}{{\bf{\alph{enumii}}.}}
\newcommand{\myvec}[1]{\overrightarrow{\strut #1}}
\newcommand{\up}[1]{\raisebox{1ex}{\small{#1}}}
\newcounter{exercice}
\newcommand{\exo}[1]{%\setcounter{question}{0}
                     \addtocounter{exercice}{1}
                     \vspace{1em} \par \noindent
                     {\fbox {\bf Exercice \arabic{exercice} : #1}}
                     \par \vspace{0.5em}
                    }
 
% \newcounter{question} %[subsection]
% \newcommand{\qq}{\addtocounter{question}{1}
%                 \setcounter{sous_question}{0}
%                 \vspace{0.5em}
%                 \par 
%                 \arabic{question})%\, 
%                }
% \newcommand{\q}{\addtocounter{question}{1}
%                 \setcounter{sous_question}{0}
%                 \vspace{0.5em}
%                 \par 
%                 \arabic{question}) \, 
%                }               
% \newcounter{sous_question} %[subsubsection]
% \newcommand{\subqq}{\addtocounter{sous_question}{1}
%                    %\vspace{0.5em}
%                    \setlength{\parindent}{2\parindent}
%                    %\par 
%                    \alph{sous_question})
%                    \setlength{\parindent}{0.5\parindent} 
%                    }
% \newcommand{\subq}{\addtocounter{sous_question}{1}
%                    \vspace{0.5em}
%                    \setlength{\parindent}{2\parindent}
%                    \par 
%                    \alph{sous_question})
%                    \setlength{\parindent}{0.5\parindent} 
%                    }                  
%                    
%                    
% \newcommand{\coco}{\addtocounter{sous_question}{1}
%                    \hfil \alph{sous_question})
%                    }