NIVEAU 4 (CE1 - CE2)

Combinaison : [2,4,8,9] = 23

Calcul 1 Calcul 2 Calcul Final
2 + 4 = 6 8 + 9 = 17 6 + 17 = 23
2 + 8 = 10 4 + 9 = 13 10 + 13 = 23
2 + 9 = 11 4 + 8 = 12 11 + 12 = 23