diff --git a/2nd/Questions_flashs/P5/QF_S21-1.pdf b/2nd/Questions_flashs/P5/QF_S21-1.pdf
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diff --git a/2nd/Questions_flashs/P5/QF_S21-1.tex b/2nd/Questions_flashs/P5/QF_S21-1.tex
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+\documentclass[14pt]{classPres}
+\usepackage{pgfplots} 
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Questions flash}
+    \begin{center}
+        \vfill
+        2nd
+        \vfill
+        30 secondes par calcul
+        \vfill
+        {\Large Calculatrice autorisée}
+        \vfill
+        \tiny \jobname
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 1}
+    % Équation produit
+    Résoudre l'équation
+    \[
+        (x+5)(x-4) = 0
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % Factoriser
+    Factoriser l'expression suivantes
+    \[
+        25x^2 + 30x + 9 = 
+    \]
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % Expression littérale
+    \vfill
+    On rappelle la formule 
+
+    \begin{center}
+        \includegraphics[scale=0.4]{./fig/poids}
+     \end{center} 
+
+    \vfill
+
+    On donne les valeurs $P = 10N$ et $m = 5kg$.
+
+    \vfill
+
+    Calculer la valeur de $g$.
+
+    \vfill
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % Ensemble de définition
+    Déterminer l'ensemble de définition de la fonction $f$
+
+    \begin{center}
+        \begin{tikzpicture}[scale=0.7]
+            \tkzInit[xmin=-5,xmax=5,xstep=1,
+            ymin=-3,ymax=5,ystep=1]
+            \tkzGrid
+            \tkzAxeXY
+            \draw[very thick, color=red] plot [smooth,tension=0.5] coordinates{%
+                    (-4, 3)
+                    (-3, 0)
+                    (-2, -2)
+                    (-1, 0)
+                    (0, 2)
+                    (1, 0)
+                    (2, 1)
+                    (3, 3)
+                    (4, 3)
+                };
+        \end{tikzpicture}    
+    \end{center}
+
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/2nd/Questions_flashs/P5/QF_S21-2.pdf b/2nd/Questions_flashs/P5/QF_S21-2.pdf
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diff --git a/2nd/Questions_flashs/P5/QF_S21-2.tex b/2nd/Questions_flashs/P5/QF_S21-2.tex
new file mode 100755
index 0000000..a1fba88
--- /dev/null
+++ b/2nd/Questions_flashs/P5/QF_S21-2.tex
@@ -0,0 +1,90 @@
+\documentclass[14pt]{classPres}
+\usepackage{pgfplots} 
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Questions flash}
+    \begin{center}
+        \vfill
+        2nd
+        \vfill
+        30 secondes par calcul
+        \vfill
+        {\Large Calculatrice autorisée}
+        \vfill
+        \tiny \jobname
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 1}
+    % Équation produit
+    Résoudre l'équation
+    \[
+        (4x+5)(-x+4) = 0
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % Factoriser
+    Factoriser l'expression suivantes
+    \[
+        25x^2 - 80x + 64 = 
+    \]
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % Expression littérale
+    \vfill
+    On rappelle la formule 
+
+    \begin{center}
+        \includegraphics[scale=0.4]{./fig/energie_cinetique}
+     \end{center} 
+
+    \vfill
+
+    On donne les valeurs $E_c = 15J$ et $v = 2m.s^{-1}$.
+
+    \vfill
+
+    Calculer la valeur de $m$.
+
+    \vfill
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % Ensemble de définition
+    Déterminer l'ensemble de définition de la fonction $f$
+
+    \begin{center}
+        \begin{tikzpicture}[scale=0.7]
+            \tkzInit[xmin=-5,xmax=5,xstep=1,
+            ymin=-3,ymax=5,ystep=1]
+            \tkzGrid
+            \tkzAxeXY
+            \draw[very thick, color=red] plot [smooth,tension=0.5] coordinates{%
+                    (-4, 3)
+                    (-3, 0)
+                    (0, -2)
+                };
+            \draw[very thick, color=red] plot [smooth,tension=0.5] coordinates{%
+                    (2, 1)
+                    (3, 3)
+                    (4, 3)
+                };
+        \end{tikzpicture}    
+    \end{center}
+
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
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diff --git a/2nd/Questions_flashs/P5/fig/energie_cinetique.png b/2nd/Questions_flashs/P5/fig/energie_cinetique.png
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diff --git a/2nd/Questions_flashs/P5/fig/energie_elec.png b/2nd/Questions_flashs/P5/fig/energie_elec.png
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diff --git a/2nd/Questions_flashs/P5/fig/gravitation.png b/2nd/Questions_flashs/P5/fig/gravitation.png
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diff --git a/2nd/Questions_flashs/P5/fig/poids.png b/2nd/Questions_flashs/P5/fig/poids.png
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diff --git a/2nd/Questions_flashs/P5/fig/tension.png b/2nd/Questions_flashs/P5/fig/tension.png
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