NIVEAU 4 (CE1 - CE2)

Combinaison : [2,3,6,9] = 20

Calcul 1 Calcul 2 Calcul Final
2 + 3 = 5 6 + 9 = 15 5 + 15 = 20
2 + 6 = 8 3 + 9 = 12 8 + 12 = 20
2 + 9 = 11 3 + 6 = 9 11 + 9 = 20