diff --git a/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/10.n1/20.overview/ensemble-exo1-couleur-fond.gif b/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/10.n1/20.overview/ensemble-exo1-couleur-fond.gif new file mode 100644 index 000000000..94f6f7ae2 Binary files /dev/null and b/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/10.n1/20.overview/ensemble-exo1-couleur-fond.gif differ