NIVEAU 4 (CE1 - CE2)

Combinaison : [1,2,5,9] = 16

Calcul 1 Calcul 2 Calcul Final
1 * 2 = 2 5 + 9 = 14 2 + 14 = 16
1 * 5 = 5 2 + 9 = 11 5 + 11 = 16
1 * 9 = 9 2 + 5 = 7 9 + 7 = 16