NIVEAU 5 (CE1 - CE2)

Combinaison : [1,5,6,9] = 20

Calcul 1 Calcul 2 Calcul Final
1 * 5 = 5 6 + 9 = 15 5 + 15 = 20
1 * 6 = 6 5 + 9 = 14 6 + 14 = 20
1 * 9 = 9 5 + 6 = 11 9 + 11 = 20