NIVEAU 3 (CE1 - CE2)

Combinaison : [1,3,3,8] = 15

Calcul 1 Calcul 2 Calcul Final
1 + 3 = 4 3 + 8 = 11 4 + 11 = 15
1 + 8 = 9 3 + 3 = 6 9 + 6 = 15