NIVEAU 4 (CE1 - CE2)

Combinaison : [1,4,6,9] = 20

Calcul 1 Calcul 2 Calcul Final
1 + 4 = 5 6 + 9 = 15 5 + 15 = 20
1 + 6 = 7 4 + 9 = 13 7 + 13 = 20
1 + 9 = 10 4 + 6 = 10 10 + 10 = 20