Lucie met la mine de son
crayon dans le trou A du petit
engrenage qui comporte
A
...
Mathematics, 07.03.2021 15:10 lailabirdiemae
Lucie met la mine de son
crayon dans le trou A du petit
engrenage qui comporte
A
18 dents et commence à le
faire tourner dans le grand
cercle, fixé sur son bureau,
qui comporte 56 dents.
• Combien de fois le grand
cercle aura été parcouru lorsque le point A reprendra,
pour la première fois, sa position initiale?
D'après Rallye mathématique, Madagascar, 2013.
Answers: 3
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