Update textbook.fr.md

00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/30.n3/textbook.fr.md

@@ -4,10 +4,17 @@ published: true
 routable: true
 visible: false
 lessons:
-    - slug: brainstorming-234-mathematical-tools
+    - slug: definir-234-outil-mathematique
       order: 2
 ---
 
+<!----------------------------------------------
+lessons:
+    - slug: brainstorming-234-mathematical-tools
+      order: 2
+----------------------------------------------->
+      
+
 #### Brainstorming sur les outils mathématiques requis au niveau 3
 
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