NIVEAU 4 (CE1 - CE2)

Combinaison : [2,5,7,8] = 22

Calcul 1 Calcul 2 Calcul Final
2 + 5 = 7 7 + 8 = 15 7 + 15 = 22
2 + 7 = 9 5 + 8 = 13 9 + 13 = 22
2 + 8 = 10 5 + 7 = 12 10 + 12 = 22