diff --git a/3ePasserelles/Calcul_Mental/P2/CM_17_11_13-1.pdf b/3ePasserelles/Calcul_Mental/P2/CM_17_11_13-1.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P2/CM_17_11_13-1.tex b/3ePasserelles/Calcul_Mental/P2/CM_17_11_13-1.tex
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+\documentclass[a4paper,10pt]{classPres}
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Calcul mental}
+    \begin{center}
+        \huge 30 secondes par calcul
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 1}
+    \huge
+    \begin{eqnarray*}
+        3 - 5 = 
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \begin{eqnarray*}
+        \frac{1}{2} = \frac{...}{4}
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    \begin{eqnarray*}
+        4(2\times 2 + 1) = 
+    \end{eqnarray*}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \LARGE
+    2 fruits à pain pèsent 300g.
+    
+    Combien pèsent 4 fruits à pain?
+
+    
+    
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/3ePasserelles/Calcul_Mental/P2/CM_17_11_13-2.pdf b/3ePasserelles/Calcul_Mental/P2/CM_17_11_13-2.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P2/CM_17_11_13-2.tex b/3ePasserelles/Calcul_Mental/P2/CM_17_11_13-2.tex
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+\documentclass[a4paper,10pt]{classPres}
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Calcul mental}
+    \begin{center}
+        \huge 30 secondes par calcul
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 1}
+    \huge
+    \begin{eqnarray*}
+        4 - 8 = 
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \begin{eqnarray*}
+        \frac{2}{6} = \frac{...}{3}
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    \begin{eqnarray*}
+        10(2\times 3 - 1) = 
+    \end{eqnarray*}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \LARGE
+    3 voitures mesurent 10m.
+    
+    Combien mesurent 6 voitures?
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/3ePasserelles/Calcul_Mental/P2/CM_17_11_13-3.pdf b/3ePasserelles/Calcul_Mental/P2/CM_17_11_13-3.pdf
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diff --git a/3ePasserelles/Calcul_Mental/P2/CM_17_11_13-3.tex b/3ePasserelles/Calcul_Mental/P2/CM_17_11_13-3.tex
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+\documentclass[a4paper,10pt]{classPres}
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Calcul mental}
+    \begin{center}
+        \huge 30 secondes par calcul
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 1}
+    \huge
+    \begin{eqnarray*}
+       2 - 4 = 
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \huge
+    \begin{eqnarray*}
+        \frac{3}{4} = \frac{...}{8}
+    \end{eqnarray*}
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \huge
+    \begin{eqnarray*}
+        3\times2 + 5\times4 = 
+    \end{eqnarray*}
+    
+\end{frame}
+
+\begin{frame}{Calcul 4}
+    \LARGE
+    3 brochettes coûtent 2\euro.
+
+    Combien coûtent 6 brochettes?
+    
+    
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        \huge On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}