Une égalité surprenante !
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12:52
Test d'entrée à l'université de Harvard
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8:24
RÉSOUDRE 3ª − 3ᵇ = 234 - OLYMPIADES de mathématiques
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8:49
CHALLENGE: Simplifier cette RACINE
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10:44
solving equations but they get increasingly awesome
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10:06
European Math Olympiad - Can You Solve This? | X=?
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14:49
Olympiade
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16:40
L'incroyable addition 1+2+3+4+...=-1/12 - Micmaths
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20:33