NIVEAU 4 (CE1 - CE2)

Combinaison : [2,4,6,8] = 20

Calcul 1 Calcul 2 Calcul Final
2 + 4 = 6 6 + 8 = 14 6 + 14 = 20
2 + 6 = 8 4 + 8 = 12 8 + 12 = 20
2 + 8 = 10 4 + 6 = 10 10 + 10 = 20