\begin{exercice}
Reproduire la figure ci-dessous et construire un représentant des vecteurs suivants.
\begin{colenumerate}{3}
 \item $\vv u+\vv{AB}$
 \item $\vv v+\vv{CB}$
 \item $\vv w+\vv{DE}$
\end{colenumerate}
   
\begin{tikzpicture}[general]
\quadrillageSeyes{(0,0)}{(8,4)}
\foreach \x/\y/\N/\pos in {0.8/1.6/A/below,4/0.8/B/left,4.8/2.4/C/below,6.4/3.2/D/below right,5.6/0.8/E/left}
{\pointGraphique{\x}{\y}{\N}{\pos}}
\foreach \a/\b/\c/\d/\N/\pos in {0.8/1.6/1.6/2.4/u/left, 3.2/3.2/4.8/2.4/v/above,7.2/2.4/6.4/0.8/w/right}
{\draw[epais, ->, color=A1] (\a,\b)--(\c,\d);
\draw[color=A1] (0.5*\a+0.5*\c, 0.5*\b+0.5*\d) node[\pos] {{\boldmath $\vv{\N}$}};
}
\end{tikzpicture}
\end{exercice}
