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%@Auteur: Arnaud Gazagnes\par
Peux-tu affirmer que les points $A$, $B$ et $C$ sont align\'es ? \emph{(Justifie.)}
 
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\uput[u](0,1){$D$}
\uput[d](1.19,0){$B$}
\uput[d](4.2,0.12){$C$}
\uput[r](2.66,2.54){$E$}
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