NIVEAU 3 (CE1 - CE2)

Combinaison : [1,4,5,5] = 15

Calcul 1 Calcul 2 Calcul Final
1 + 4 = 5 5 + 5 = 10 5 + 10 = 15
1 + 5 = 6 4 + 5 = 9 6 + 9 = 15