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diff --git a/TST_sti2d/Questions_Flash/P4/QF_21_03_08-1.tex b/TST_sti2d/Questions_Flash/P4/QF_21_03_08-1.tex
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+\documentclass[14pt]{classPres}
+\usepackage{tkz-fct}
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Questions flashs}
+    \begin{center}
+        \vfill
+        Terminale ST \\ Spé sti2d
+        \vfill
+        30 secondes par calcul
+        \vfill
+        \tiny \jobname
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 1}
+    Soit $f(x) = K e^{0.5x} - 5$.
+
+    On suppose que $f(0) = 2$.
+
+    Retrouver la valeur de $K$.
+
+    \vfill
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    Vérifier que 
+    \[ 
+        F(x) = (x+1)e^{-x^2} + \frac{2}{3}
+    \]
+    est une primitive de 
+    \[
+        f(x) = (-2x^2 -2x + 1)e^{-x^2}
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    Soit
+    \[
+        z = -2\sqrt{2} + 2\sqrt{2}i
+    \]
+    On donne $r = |z| = 4$.
+
+    Déterminer l'argument de $z$.
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/TST_sti2d/Questions_Flash/P4/QF_21_03_08-2.pdf b/TST_sti2d/Questions_Flash/P4/QF_21_03_08-2.pdf
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diff --git a/TST_sti2d/Questions_Flash/P4/QF_21_03_08-2.tex b/TST_sti2d/Questions_Flash/P4/QF_21_03_08-2.tex
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+++ b/TST_sti2d/Questions_Flash/P4/QF_21_03_08-2.tex
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+\documentclass[14pt]{classPres}
+\usepackage{tkz-fct}
+
+\author{}
+\title{}
+\date{}
+
+\begin{document}
+\begin{frame}{Questions flashs}
+    \begin{center}
+        \vfill
+        Terminale ST \\ Spé sti2d
+        \vfill
+        30 secondes par calcul
+        \vfill
+        \tiny \jobname
+    \end{center}
+\end{frame}
+
+\begin{frame}[fragile]{Calcul 1}
+    Soit $f(x) = K e^{0.5x} - 5$.
+
+    On suppose que $f(2) = 2$.
+
+    Retrouver la valeur de $K$.
+
+    \vfill
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    Vérifier que 
+    \[ 
+        f(t) = 10 e^{-0.2t} - 25
+    \]
+    est une solution de 
+    \[
+        y' = -0.2y + 5
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    Soit
+    \[
+        z = -2 + 2\sqrt{3}i
+    \]
+    On donne $r = |z| = 4$.
+
+    Déterminer l'argument de $z$.
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}