\begin{minipage}{0.25\linewidth}
  \rnode{A}{2}\kern1cm\rnode{B}{0}\kern1cm\rnode{C}{0}\kern1cm\rnode{D}{6}
  \par\vspace{5mm}\par
  \rnode{E}{0}\kern1cm\rnode{F}{0}\kern1cm\rnode{G}{0}
  \par\vspace{5mm}\par
  \rnode{H}{0}\kern1cm\rnode{I}{6}
  \par\vspace{5mm}\par
  \rnode{J}{6}
\end{minipage}
\ncline[nodesep=1mm,linestyle=dashed]{->}{A}{B}
\ncline[nodesep=1mm,linestyle=dashed]{->}{B}{C}
\ncline[nodesep=1mm,linestyle=dashed]{->}{C}{D}
\ncline[nodesep=1mm,linestyle=dashed]{->}{A}{E}
\ncline[nodesep=1mm,linestyle=dashed]{->}{B}{F}
\ncline[nodesep=1mm,linestyle=dashed]{->}{C}{G}
\ncline[nodesep=1mm,linestyle=dashed]{->}{E}{F}
\ncline[nodesep=1mm,linestyle=dashed]{->}{F}{G}
\ncline[nodesep=1mm,linestyle=dashed]{->}{E}{H}
\ncline[nodesep=1mm,linestyle=dashed]{->}{F}{I}
\ncline[nodesep=1mm,linestyle=dashed]{->}{H}{I}
\ncline[nodesep=1mm,linestyle=dashed]{->}{H}{J}
\hfill
\begin{minipage}{0.72\linewidth}
  De combien de façons peut-on obtenir le nombre 2006 en suivant
les flèches de la figure ?
\begin{multicols}{5}
  \begin{enumerate}[A/]
  \item 12
  \item 11
  \item 10
  \item 8
  \item 6
  \end{enumerate}
\end{multicols}
\end{minipage}