NIVEAU 4 (CE1 - CE2)

Combinaison : [2,6,7,8] = 23

Calcul 1 Calcul 2 Calcul Final
2 + 6 = 8 7 + 8 = 15 8 + 15 = 23
2 + 7 = 9 6 + 8 = 14 9 + 14 = 23
2 + 8 = 10 6 + 7 = 13 10 + 13 = 23