exo1.tex

\documentclass{article}

\usepackage[pdftex]{graphicx}
\usepackage{color}

\usepackage{amsmath}
\usepackage{amsfonts,amssymb,amscd}

\pagestyle{empty}

\begin{document}

\begin{figure}
\def\svgwidth{\linewidth}
\input{fig_exo1.pdf_tex}
\end{figure}

\end{document}