NIVEAU 3 (CE1 - CE2)

Combinaison : [2,3,3,9] = 17

Calcul 1 Calcul 2 Calcul Final
2 + 3 = 5 3 + 9 = 12 5 + 12 = 17
2 + 9 = 11 3 + 3 = 6 11 + 6 = 17