NIVEAU 4 (CE1 - CE2)

Combinaison : [2,4,7,9] = 22

Calcul 1 Calcul 2 Calcul Final
2 + 4 = 6 7 + 9 = 16 6 + 16 = 22
2 + 7 = 9 4 + 9 = 13 9 + 13 = 22
2 + 9 = 11 4 + 7 = 11 11 + 11 = 22