NIVEAU 3 (CE1 - CE2)

Combinaison : [1,2,4,8] = 15

Calcul 1 Calcul 2 Calcul Final
1 + 2 = 3 4 + 8 = 12 3 + 12 = 15
1 + 4 = 5 2 + 8 = 10 5 + 10 = 15
1 + 8 = 9 2 + 4 = 6 9 + 6 = 15