NIVEAU 5 (CE1 - CE2)

Combinaison : [1,4,5,9] = 18

Calcul 1 Calcul 2 Calcul Final
1 * 4 = 4 5 + 9 = 14 4 + 14 = 18
1 * 5 = 5 4 + 9 = 13 5 + 13 = 18
1 * 9 = 9 4 + 5 = 9 9 + 9 = 18