NIVEAU 3 (CE1 - CE2)

Combinaison : [1,2,6,9] = 18

Calcul 1 Calcul 2 Calcul Final
1 + 2 = 3 6 + 9 = 15 3 + 15 = 18
1 + 6 = 7 2 + 9 = 11 7 + 11 = 18
1 + 9 = 10 2 + 6 = 8 10 + 8 = 18