NIVEAU 3 (CE1 - CE2)

Combinaison : [2,3,3,7] = 15

Calcul 1 Calcul 2 Calcul Final
2 + 3 = 5 3 + 7 = 10 5 + 10 = 15
2 + 7 = 9 3 + 3 = 6 9 + 6 = 15