diff --git a/1ST/09_Polynomes_de_degre_3/1B.tex b/1ST/09_Polynomes_de_degre_3/1B.tex
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+\documentclass[a4paper,10pt]{article}
+\usepackage{myXsim}
+
+\author{Benjamin Bertrand}
+\title{Polynomes de degré 3 - Cours}
+\date{mai 2023}
+
+\pagestyle{empty}
+
+\begin{document}
+
+\maketitle
+
+\end{document}
diff --git a/1ST/09_Polynomes_de_degre_3/exercises.tex b/1ST/09_Polynomes_de_degre_3/exercises.tex
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+\begin{exercise}[subtitle={Identification}, step={1}, origin={<++>}, topics={ Polynomes de degré 3 }, tags={ Fonction }]
+    Identifier le degré des polynômes ci-dessous ainsi que les coefficients (quand ils ne sont pas factorisés).
+
+    \begin{tasks}(3)
+        \task $f(x) = 7x^2 + 2x + 0.2$
+        \task $f(x) = -2x^3 + 3x^2 - 8x + 2$
+        \task $f(x) = 3x^2 - 10x^3 - 2$
+
+        \task $f(x) = 4x^2 - 5x$
+        \task $f(x) = x^3$
+        \task $f(x) = 3 - 5x^3$
+
+        \task $f(x) = - 10x + 2$
+        \task $f(x) = - 10x^2 + 0.25$
+        \task $f(x) = -5x^2 + x$
+
+        \task $f(x) = (5x-2)(3x-1)$
+        \task $f(x) = (2x+1)(0.1x-10)^2$
+        \task $f(x) = 3(x+2)(x-1)(x-2)$
+    \end{tasks}
+\end{exercise}
diff --git a/1ST/09_Polynomes_de_degre_3/index.rst b/1ST/09_Polynomes_de_degre_3/index.rst
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+Polynomes de degré 3
+####################
+
+:date: 2023-05-18
+:modified: 2023-05-18
+:authors: Benjamin Bertrand
+:tags: Fonction
+:category: 1ST
+:summary: Etude graphique et de signe des polynomes de degrés 3.
+
+
+Éléments du programme
+=====================
+
+Contenus
+--------
+
+Capacités attendues
+-------------------
+
+Commentaires
+------------
+
+Progression
+===========
+
+Étape 1:
+--------
diff --git a/1ST/09_Polynomes_de_degre_3/plan_de_travail.pdf b/1ST/09_Polynomes_de_degre_3/plan_de_travail.pdf
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diff --git a/1ST/09_Polynomes_de_degre_3/plan_de_travail.tex b/1ST/09_Polynomes_de_degre_3/plan_de_travail.tex
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+\documentclass[a4paper,12pt]{article}
+\usepackage{myXsim}
+
+\author{Benjamin Bertrand}
+\title{Polynomes de degré 3 - Plan de travail}
+\tribe{1ST}
+\date{mai 2023}
+
+\pagestyle{empty}
+
+\DeclareExerciseCollection{banque}
+\xsimsetup{
+}
+
+
+\begin{document}
+\maketitle
+
+% Résumé
+
+\bigskip
+
+Savoir-faire de la séquence
+\begin{itemize}
+    \item représentations graphiques des fonctions : $ax3$, $ax3 + b$ ;
+    \item racines et signe d’un polynôme de degré 3 de la forme $a(x - x1)(x - x2)(x-x3)$ ;
+    \item équation $x3 = c$ ; racine cubique d’un nombre réel positif ; notations racines cubiques
+\end{itemize}
+
+\bigskip
+
+Ordre des étapes à respecter
+
+
+\section{}
+
+\listsectionexercises
+
+
+\pagebreak
+
+\input{exercises.tex}
+\printcollection{banque}
+
+
+\end{document}
diff --git a/1ST/09_Polynomes_de_degre_3/solutions.tex b/1ST/09_Polynomes_de_degre_3/solutions.tex
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+++ b/1ST/09_Polynomes_de_degre_3/solutions.tex
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+\documentclass[a4paper,10pt]{article}
+\usepackage{myXsim}
+
+\usetikzlibrary{shapes.geometric}
+
+\author{Benjamin Bertrand}
+\title{Polynomes de degré 3 - Solutions}
+\tribe{1ST}
+\date{mai 2023}
+
+\DeclareExerciseCollection{banque}
+\xsimsetup{
+    exercise/print=false,
+    solution/print=true,
+}
+
+\pagestyle{empty}
+
+
+\begin{document}
+
+\maketitle
+
+\input{exercises.tex}
+%\printcollection{banque}
+%\printsolutions{exercises}
+
+\end{document}