NIVEAU 4 (CE1 - CE2)

Combinaison : [1,2,3,9] = 14

Calcul 1 Calcul 2 Calcul Final
1 * 2 = 2 3 + 9 = 12 2 + 12 = 14
1 * 3 = 3 2 + 9 = 11 3 + 11 = 14
1 * 9 = 9 2 + 3 = 5 9 + 5 = 14