NIVEAU 4 (CE1 - CE2)

Combinaison : [2,5,6,8] = 21

Calcul 1 Calcul 2 Calcul Final
2 + 5 = 7 6 + 8 = 14 7 + 14 = 21
2 + 6 = 8 5 + 8 = 13 8 + 13 = 21
2 + 8 = 10 5 + 6 = 11 10 + 11 = 21