NIVEAU 4 (CE1 - CE2)

Combinaison : [1,6,7,8] = 22

Calcul 1 Calcul 2 Calcul Final
1 + 6 = 7 7 + 8 = 15 7 + 15 = 22
1 + 7 = 8 6 + 8 = 14 8 + 14 = 22
1 + 8 = 9 6 + 7 = 13 9 + 13 = 22