NIVEAU 4 (CE1 - CE2)

Combinaison : [2,5,8,9] = 24

Calcul 1 Calcul 2 Calcul Final
2 + 5 = 7 8 + 9 = 17 7 + 17 = 24
2 + 8 = 10 5 + 9 = 14 10 + 14 = 24
2 + 9 = 11 5 + 8 = 13 11 + 13 = 24