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diff --git a/1ST/Questions_flashs/P4/QF_S13-1.tex b/1ST/Questions_flashs/P4/QF_S13-1.tex
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+\documentclass[12pt]{classPres}
+\usepackage{tkz-fct}
+\usepackage{pgfplots}
+\usetikzlibrary{decorations.markings}
+\pgfplotsset{compat=1.18}
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Questions flashs}
+    \begin{center}
+        \vfill
+        Première ST
+        \vfill
+        30 secondes par calcul
+        \vfill
+        \textbf{Calculatrice non autorisée}
+        \vfill
+        \tiny \jobname
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 1}
+    % Racine
+    Est-ce que $x = 3$ est une racine de
+    \[
+        f(x) = x^2 - 2x - 3
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % Dérivation
+    \vfill
+    Calculer la dérivée de la fonction
+    \[
+        f(x) = 4x^3 - 3x^2 + 1
+    \]
+    \vfill
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % Probabilités
+    Écrire le calcul qui permet d'avoir $P(\mbox{A puis B})$
+    \begin{center}
+        \begin{tikzpicture}[grow=down, sloped, scale=1.5]
+            \node {.}
+                child   {node {A}
+                    child {node {C}
+                        edge from parent
+                        node[above] {0.7}
+                    }
+                    child  {node {B}
+                        edge from parent
+                        node[above] {0.3}
+                    }
+                    edge from parent
+                    node[above] {0.6}
+                }
+                child[missing] {}
+                child { node {B}
+                    child {node {A}
+                        edge from parent
+                        node[above] {0.2}
+                    }
+                    child {node {C}
+                        edge from parent
+                        node[above] {0.8}
+                    }
+                    edge from parent
+                    node[above] {0.4}
+                }%
+                ;
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % poy deg 2
+
+    Quelle est l'allure de la représentation graphique de la fonction suivante
+
+    \[
+        f(x) = 3x^2
+    \]
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/1ST/Questions_flashs/P4/QF_S13-2.pdf b/1ST/Questions_flashs/P4/QF_S13-2.pdf
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diff --git a/1ST/Questions_flashs/P4/QF_S13-2.tex b/1ST/Questions_flashs/P4/QF_S13-2.tex
new file mode 100755
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+++ b/1ST/Questions_flashs/P4/QF_S13-2.tex
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+\documentclass[12pt]{classPres}
+\usepackage{tkz-fct}
+\usepackage{pgfplots}
+\usetikzlibrary{decorations.markings}
+\pgfplotsset{compat=1.18}
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Questions flashs}
+    \begin{center}
+        \vfill
+        Première ST
+        \vfill
+        30 secondes par calcul
+        \vfill
+        \textbf{Calculatrice non autorisée}
+        \vfill
+        \tiny \jobname
+    \end{center}
+\end{frame}
+
+\begin{frame}{Calcul 1}
+    % Racine
+    Est-ce que $x = -2$ est une racine de
+    \[
+        f(x) = 4x^2 + 6x - 4
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    % Dérivation
+    \vfill
+    Calculer la dérivée de la fonction
+    \[
+        f(x) = 2x^3 - 5x + 10
+    \]
+    \vfill
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 3}
+    % Probabilités
+    Écrire le calcul qui permet d'avoir $P(\mbox{B puis A})$
+    \begin{center}
+        \begin{tikzpicture}[grow=down, sloped, scale=1.5]
+            \node {.}
+                child   {node {A}
+                    child {node {C}
+                        edge from parent
+                        node[above] {0.7}
+                    }
+                    child  {node {B}
+                        edge from parent
+                        node[above] {0.3}
+                    }
+                    edge from parent
+                    node[above] {0.6}
+                }
+                child[missing] {}
+                child { node {B}
+                    child {node {A}
+                        edge from parent
+                        node[above] {0.2}
+                    }
+                    child {node {C}
+                        edge from parent
+                        node[above] {0.8}
+                    }
+                    edge from parent
+                    node[above] {0.4}
+                }%
+                ;
+        \end{tikzpicture}
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 4}
+    % poy deg 2
+
+    Quelle est l'allure de la représentation graphique de la fonction suivante
+
+    \[
+        f(x) = -2x^2 + 5
+    \]
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}