To each his own mania - Lycée Arago (Perpignan)
Titre du sujet:
To each his own mania
Établissement:
- Lycée Arago (Perpignan)
Année:
- 2017-2018
Résumé:
You are fond of counting, it is almost a mania. When you see a number, you add its digits up and, if this sum divides the number you started with, you feel good! How often does it happen?
Mots clés:
- nombre
- diviseur