NIVEAU 4 (CE1 - CE2)

Combinaison : [2,3,7,8] = 20

Calcul 1 Calcul 2 Calcul Final
2 + 3 = 5 7 + 8 = 15 5 + 15 = 20
2 + 7 = 9 3 + 8 = 11 9 + 11 = 20
2 + 8 = 10 3 + 7 = 10 10 + 10 = 20