\documentclass[a4paper,12pt]{article}
\usepackage{epic, eepic}

\usepackage{amsmath, amssymb, hymcbk, xspace}
\usepackage{euscript,  array}
\usepackage[T1]{fontenc}
%\usepackage{tipa1}
%\usepackage{calc, wasysym, textcomp, ulsy}

\begin{document}
\pagestyle{empty}


\setlength{\unitlength}{.7mm}
\begin{picture}(170,20)

% représentation de l'union de [-5;4] et de [0,10]  

\put(0,10){\vector(1,0){170}}\allinethickness{.8mm}\put(10,10){\line(1,0){150}}  
\thicklines\put(10,10){\makebox(0,0)[c]{[}}\put(10,14){\makebox(0,0)[b]{$-5$}}  
\put(160,10){\makebox(0,0)[c]{]}}\put(160,14){\makebox(0,0)[b]{$10$}}  
\put(60,10){\makebox(0,0)[c]{[}}\put(60,14){\makebox(0,0)[b]{$0$}}  
\put(100,10){\makebox(0,0)[c]{]}}\put(100,14){\makebox(0,0)[b]{$4$}}  
\end{picture}
  

\end{document}

%%% Local Variables: 
%%% mode: latex
%%% TeX-master: t
%%% End: 
