diff --git a/2nd/Questions_flashs/P4/QF_S10-1.pdf b/2nd/Questions_flashs/P4/QF_S10-1.pdf
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diff --git a/2nd/Questions_flashs/P4/QF_S10-1.tex b/2nd/Questions_flashs/P4/QF_S10-1.tex
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+\documentclass[14pt]{classPres}
+\usepackage{tkz-fct}
+\usepackage{listings}
+
+\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}
+    % Equation graphique
+    Résoudre graphiquement $f(x) \leq 3$
+    \begin{center}
+        \begin{tikzpicture}[scale=0.8]
+            \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{%
+                    (-5, 2)
+                    (-4, 1)
+                    (-3, 2)
+                    (-2, 1)
+                    (-1, 0)
+                    (0, -2)
+                    (1, -1)
+                    (2, 0)
+                    (3, 3)
+                    (4, 4)
+                    (5, 3)
+                };
+        \end{tikzpicture}    
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % inéquation
+    Résoudre l'équation
+
+    \[
+        5x + 3 = 2x
+    \]
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % unités
+    Convertir en $m^3$
+    \[
+        1234.2 cm^3
+    \]
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % Proba - ensemble
+    $A = \left\{\mbox{ Les vieux }\right\}$
+    \hfill
+    $B = \left\{\mbox{ a des lunettes }\right\}$
+    \begin{center}
+        \begin{tabular}{|c|*{3}{c|}}
+            \hline
+            & Vieux & Jeunes & Total \\
+            \hline
+            A des lunettes & 34 & 76 & 110 \\
+            \hline 
+            N'a pas de lunettes & 2 & 88 & 90 \\
+            \hline
+            total & 36 & 164 & 200 \\
+            \hline
+        \end{tabular}
+    \end{center}
+    Calculer $P(A)$
+
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/2nd/Questions_flashs/P4/QF_S10-2.pdf b/2nd/Questions_flashs/P4/QF_S10-2.pdf
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diff --git a/2nd/Questions_flashs/P4/QF_S10-2.tex b/2nd/Questions_flashs/P4/QF_S10-2.tex
new file mode 100755
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--- /dev/null
+++ b/2nd/Questions_flashs/P4/QF_S10-2.tex
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+\documentclass[14pt]{classPres}
+\usepackage{tkz-fct}
+\usepackage{listings}
+
+\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}
+    % Equation graphique
+    Résoudre graphiquement $f(x) \geq 1$
+    \begin{center}
+        \begin{tikzpicture}[scale=0.8]
+            \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{%
+                    (-5, 2)
+                    (-4, 3)
+                    (-3, 2)
+                    (-2, 1)
+                    (-1, 0)
+                    (0, -2)
+                    (1, -1)
+                    (2, 0)
+                    (3, 3)
+                    (4, 4)
+                    (5, 3)
+                };
+        \end{tikzpicture}    
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % équation
+    Résoudre l'équation
+
+    \[
+        2x + 1 = 5x - 4
+    \]
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % unités
+    Convertir en $m^3$
+    \[
+        1234.2 dm^3
+    \]
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % Proba - ensemble
+    $A = \left\{\mbox{ Les vieux }\right\}$
+    \hfill
+    $B = \left\{\mbox{ a des lunettes }\right\}$
+    \begin{center}
+        \begin{tabular}{|c|*{3}{c|}}
+            \hline
+            & Vieux & Jeunes & Total \\
+            \hline
+            A des lunettes & 34 & 76 & 110 \\
+            \hline 
+            N'a pas de lunettes & 2 & 88 & 90 \\
+            \hline
+            total & 36 & 164 & 200 \\
+            \hline
+        \end{tabular}
+    \end{center}
+    Calculer $P(\overline{A})$
+
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/2nd/Questions_flashs/P4/QF_S10-3.pdf b/2nd/Questions_flashs/P4/QF_S10-3.pdf
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diff --git a/2nd/Questions_flashs/P4/QF_S10-3.tex b/2nd/Questions_flashs/P4/QF_S10-3.tex
new file mode 100755
index 0000000..9e196a2
--- /dev/null
+++ b/2nd/Questions_flashs/P4/QF_S10-3.tex
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+\documentclass[14pt]{classPres}
+\usepackage{tkz-fct}
+\usepackage{listings}
+
+\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}
+    % Equation graphique
+    Résoudre graphiquement $f(x) \leq 0$
+    \begin{center}
+        \begin{tikzpicture}[scale=0.8]
+            \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{%
+                    (-5, 2)
+                    (-4, 3)
+                    (-3, 2)
+                    (-2, 1)
+                    (-1, 0)
+                    (0, -2)
+                    (1, -1)
+                    (2, 0)
+                    (3, 3)
+                    (4, 4)
+                    (5, 3)
+                };
+        \end{tikzpicture}    
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % équation
+    Résoudre l'équation
+
+    \[
+        4x + 2 = -2x - 12
+    \]
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % unités
+    Convertir en $cm^3$
+    \[
+        9084.2 mm^3
+    \]
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % Proba - ensemble
+    $A = \left\{\mbox{ Les vieux }\right\}$
+    \hfill
+    $B = \left\{\mbox{ a des lunettes }\right\}$
+    \begin{center}
+        \begin{tabular}{|c|*{3}{c|}}
+            \hline
+            & Vieux & Jeunes & Total \\
+            \hline
+            A des lunettes & 34 & 76 & 110 \\
+            \hline 
+            N'a pas de lunettes & 2 & 88 & 90 \\
+            \hline
+            total & 36 & 164 & 200 \\
+            \hline
+        \end{tabular}
+    \end{center}
+    Calculer $P(A \cap B)$
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/2nd/Questions_flashs/P4/QF_S10-4.pdf b/2nd/Questions_flashs/P4/QF_S10-4.pdf
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diff --git a/2nd/Questions_flashs/P4/QF_S10-4.tex b/2nd/Questions_flashs/P4/QF_S10-4.tex
new file mode 100755
index 0000000..be20f1d
--- /dev/null
+++ b/2nd/Questions_flashs/P4/QF_S10-4.tex
@@ -0,0 +1,94 @@
+\documentclass[14pt]{classPres}
+\usepackage{tkz-fct}
+\usepackage{listings}
+
+\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}
+    % Equation graphique
+    Résoudre graphiquement $f(x) \leq 2$
+    \begin{center}
+        \begin{tikzpicture}[scale=0.8]
+            \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{%
+                    (-5, 4)
+                    (-4, 3)
+                    (-3, 2)
+                    (-2, 1)
+                    (-1, 0)
+                    (0, -2)
+                    (1, -1)
+                    (2, 2)
+                    (3, 3)
+                    (4, 4)
+                    (5, 3)
+                };
+        \end{tikzpicture}    
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % équation
+    Résoudre l'équation
+
+    \[
+        3x - 3 = x - 3
+    \]
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % unités
+    Convertir en $m^3$
+    \[
+        98.345 dm^3
+    \]
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % Proba - ensemble
+    $A = \left\{\mbox{ Les vieux }\right\}$
+    \hfill
+    $B = \left\{\mbox{ a des lunettes }\right\}$
+    \begin{center}
+        \begin{tabular}{|c|*{3}{c|}}
+            \hline
+            & Vieux & Jeunes & Total \\
+            \hline
+            A des lunettes & 34 & 76 & 110 \\
+            \hline 
+            N'a pas de lunettes & 2 & 88 & 90 \\
+            \hline
+            total & 36 & 164 & 200 \\
+            \hline
+        \end{tabular}
+    \end{center}
+    Calculer $P(\overline{B})$
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}