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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}
+    On donne la formule suivante
+    \[
+        pV = nRJ
+    \]
+    Exprimer $n$ en fonction des autres grandeurs.
+    \[
+        n = 
+    \]
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \vfill
+    Soit
+    \vfill
+    \[
+        f(x) = (2x^2 - 5)\sin(x)
+    \]
+    \vfill
+    Calculer
+    \vfill
+    \[
+        f'(x) = 
+    \]
+    \vfill
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \vfill
+    Quelle est la valeur de $\sin(\dfrac{5\pi}{4})$?
+    \vfill
+    \pause
+    \begin{center}
+        \begin{tikzpicture}[scale=2.5]
+            \cercleTrigo
+            \foreach \x in {0,30,...,360} {
+                % dots at each point
+                \filldraw[black] (\x:1cm) circle(0.6pt);
+            }
+            \foreach \x in {0,45,...,360} {
+                % dots at each point
+                \filldraw[black] (\x:1cm) circle(0.6pt);
+            }
+        \end{tikzpicture}
+    \end{center}
+    \vfill
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}