A l'occasion de la semaine des mathématiques 2012, deux activités en anglais proposées par Erik Jacob, en classe de 5ème au collège Beaumarchais.
"A paradox", by Lewis Caroll

A Reuleaux triangle or “Is it possible to drill a square hole ?”


Fichiers pour l'activité
Production du Giptic de Mathématiques de l'académie de Paris
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