diff --git a/TST_sti2d/Questions Flash/P1/QF_20_10_12-1.pdf b/TST_sti2d/Questions Flash/P1/QF_20_10_12-1.pdf
new file mode 100644
index 0000000..f088a99
Binary files /dev/null and b/TST_sti2d/Questions Flash/P1/QF_20_10_12-1.pdf differ
diff --git a/TST_sti2d/Questions Flash/P1/QF_20_10_12-1.tex b/TST_sti2d/Questions Flash/P1/QF_20_10_12-1.tex
new file mode 100755
index 0000000..27106f9
--- /dev/null
+++ b/TST_sti2d/Questions Flash/P1/QF_20_10_12-1.tex	
@@ -0,0 +1,76 @@
+\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}{Calcul 1}
+    \vfill
+    Soit $f(x) = x^2$,
+
+    \vfill
+    Calculer la taux de variation entre x = -1 et x = 3.
+
+    \vfill
+    \[
+        \frac{\Delta f}{\Delta x} = 
+    \]
+    \vfill
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \vfill
+    Soit
+    \vfill
+    \[
+        f(x) = \cos(x)(5x+2)
+    \]
+    \vfill
+    Calculer
+    \vfill
+    \[
+        \frac{df}{dx} = 
+    \]
+    \vfill
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \vfill
+    Quelle est la valeur de $\sin(\vec{OI};\vec{OA})$?
+    \vfill
+    \begin{center}
+        \begin{tikzpicture}[scale=3]
+            \cercleTrigo
+            \foreach \x in {0,30,...,360} {
+                % dots at each point
+                \filldraw[black] (\x:1cm) circle(0.6pt);
+            }
+            \draw (-30:1)  node [above right] {A}; 
+            \draw (0,0) -- (-30:1);
+            \draw[->, very thick, red] (0.5,0) arc (0:-30:0.5) ; 
+        \end{tikzpicture}
+    \end{center}
+    \vfill
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}
diff --git a/TST_sti2d/Questions Flash/P1/QF_20_10_12-2.pdf b/TST_sti2d/Questions Flash/P1/QF_20_10_12-2.pdf
new file mode 100644
index 0000000..3f22154
Binary files /dev/null and b/TST_sti2d/Questions Flash/P1/QF_20_10_12-2.pdf differ
diff --git a/TST_sti2d/Questions Flash/P1/QF_20_10_12-2.tex b/TST_sti2d/Questions Flash/P1/QF_20_10_12-2.tex
new file mode 100755
index 0000000..871965d
--- /dev/null
+++ b/TST_sti2d/Questions Flash/P1/QF_20_10_12-2.tex	
@@ -0,0 +1,81 @@
+\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}
+    \begin{tikzpicture}[xscale=0.8, yscale=0.5]
+        \tkzInit[xmin=-5,xmax=5,xstep=1,
+        ymin=-5,ymax=5,ystep=1]
+        \tkzGrid
+        \tkzAxeXY
+        \tkzFct[domain=-5:5,color=red,very thick]%
+        {\x**2 - 4};
+    \end{tikzpicture}
+    \vfill
+    Calculer la taux de variation entre x = -2 et x = 3.
+
+    \vfill
+    \[
+        \frac{\Delta f}{\Delta x} = 
+    \]
+    \vfill
+\end{frame}
+
+\begin{frame}{Calcul 2}
+    \vfill
+    Soit
+    \vfill
+    \[
+        f(x) = \sin(x)(1+\cos(x))
+    \]
+    \vfill
+    Calculer
+    \vfill
+    \[
+        \frac{df}{dx} = 
+    \]
+    \vfill
+\end{frame}
+
+\begin{frame}{Calcul 3}
+    \vfill
+    Quelle est la valeur de $\sin(\vec{OI};\vec{OA})$?
+    \vfill
+    \begin{center}
+        \begin{tikzpicture}[scale=3]
+            \cercleTrigo
+            \foreach \x in {0,30,...,360} {
+                % dots at each point
+                \filldraw[black] (\x:1cm) circle(0.6pt);
+            }
+            \draw (-120:1)  node [above right] {A}; 
+            \draw (0,0) -- (-120:1);
+            \draw[->, very thick, red] (0.5,0) arc (0:-120:0.5) ; 
+        \end{tikzpicture}
+    \end{center}
+    \vfill
+\end{frame}
+
+\begin{frame}{Fin}
+    \begin{center}
+        On retourne son papier.
+    \end{center}
+\end{frame}
+
+
+\end{document}