\documentclass[a4paper,10pt]{article}
\usepackage[height=260mm,width=183mm]{geometry}
\usepackage[T1]{fontenc}
%\usepackage[upright]{fourier}
\usepackage{mathpazo}
\usepackage[xcas]{tablor}
\usepackage{listings,keystroke}
\usepackage{graphicx}
\usepackage[french]{babel}

\begin{document}
\initablor

\begin{TSq}
TSq("Q1",[2*x+9],[x+3],[-infinity,+infinity],\tv)
\end{TSq}


\begin{center}
  \begin{TSq}
    TSq("Q2",[-3*x-3],[x+3],[-infinity,+infinity],\tv)
    \end{TSq}
  \end{center}

  \begin{center}
    \begin{TSq}
      TSq("Q3",[6*x-4],[x,2*x-1],[-infinity,+infinity],\tv)
      \end{TSq}
    \end{center}

\begin{center}
    \begin{TSq}
      TSq("Q4",[-8],[(x+2)^2],[-infinity,+infinity],\tv)
      \end{TSq}
    \end{center}

    \begin{center}
      \begin{TV}
        TV([-infinity,+infinity],[-3/2],"f","x",(1-2*x)/(2*x+3),0,\tv)
        \end{TV}
      \end{center}

      \begin{center}
        \begin{TSq}
          TSq("Q5",[x-7/3],[x-3],[-infinity,+infinity],\tv)
          \end{TSq}
        \end{center}

        \begin{center}
          \begin{TSq}
            TSq("Q6",[x+1,x-2],[x^2-9],[-infinity,+infinity],\tv)
            \end{TSq}
          \end{center}


\end{document}
