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diff --git a/2nd/Questions_flashs/P4/QF_S15-1.tex b/2nd/Questions_flashs/P4/QF_S15-1.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}
+    % Lecture graphique
+    \vfill
+    Résoudre l'inéquation $z(x) < 0$
+    \vfill
+    \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, 5)
+                    (-2, 0)
+                    (0, -2)
+                    (2, 0)
+                    (3, 4)
+                    (4, 0)
+                    (5, -2)
+                };
+        \end{tikzpicture}    
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % Proba, union, intersection
+    Contenu d'un sac de bonbon.
+    \begin{center}
+        \begin{tabular}{|c|*{3}{c|}}
+            \hline
+            & Sucré & Salé & Total \\
+            \hline
+            Fondant & 45 & 5 & 50 \\
+            \hline 
+            Croquant & 78 & 22 & 100 \\
+            \hline
+            total & 123 & 27 & 150 \\
+            \hline
+        \end{tabular}
+    \end{center}
+    $A = \left\{\mbox{ Sucré }\right\}$
+    \hfill
+    $B = \left\{\mbox{ Fondant }\right\}$
+    \vfill
+    Calculer $P(\overline{A} \cap B)$
+    \vfill
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % Programmation
+    \begin{center}
+        \begin{lstlisting}[language=Python, basicstyle=\small, frame=]
+score = 1
+run = 0
+while score < 10:
+    score = score * 2
+    run = run + 1
+print(run)
+        \end{lstlisting}
+    \end{center}
+    \vfill
+    Que va afficher le programme?
+    \vfill
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % Inéquations
+    Résoudre l'inéquation suivante
+    \vfill
+    \[
+        -5x - 10 \leq 2x
+    \]
+    \vfill
+\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_S15-2.pdf b/2nd/Questions_flashs/P4/QF_S15-2.pdf
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diff --git a/2nd/Questions_flashs/P4/QF_S15-2.tex b/2nd/Questions_flashs/P4/QF_S15-2.tex
new file mode 100755
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--- /dev/null
+++ b/2nd/Questions_flashs/P4/QF_S15-2.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}
+    % Lecture graphique
+    \vfill
+    Résoudre l'inéquation $f(x) \geq 0$
+    \vfill
+    \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, 5)
+                    (-2, 0)
+                    (0, -2)
+                    (2, 0)
+                    (3, 4)
+                    (4, 0)
+                    (5, -2)
+                };
+        \end{tikzpicture}    
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % Proba, union, intersection
+    Contenu d'un sac de bonbon.
+    \begin{center}
+        \begin{tabular}{|c|*{3}{c|}}
+            \hline
+            & Sucré & Salé & Total \\
+            \hline
+            Fondant & 45 & 5 & 50 \\
+            \hline 
+            Croquant & 78 & 22 & 100 \\
+            \hline
+            total & 123 & 27 & 150 \\
+            \hline
+        \end{tabular}
+    \end{center}
+    $A = \left\{\mbox{ Sucré }\right\}$
+    \hfill
+    $B = \left\{\mbox{ Fondant }\right\}$
+    \vfill
+    Calculer $P(\overline{A} \cap \overline{B})$
+    \vfill
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % Programmation
+    \begin{center}
+        \begin{lstlisting}[language=Python, basicstyle=\small, frame=]
+a = 1
+b = 0
+while a+b < 10:
+    a = a * 2
+    b = b + 1
+print(run)
+        \end{lstlisting}
+    \end{center}
+    \vfill
+    Que va afficher le programme?
+    \vfill
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % Inéquations
+    Résoudre l'inéquation suivante
+    \vfill
+    \[
+        3x - 12 > 5x + 1
+    \]
+    \vfill
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}