NIVEAU 4 (CE1 - CE2)

Combinaison : [1,1,3,3] = 6

Calcul 1 Calcul 2 Calcul Final
1 * 1 = 1 3 + 3 = 6 1 * 6 = 6
1 * 3 = 3 1 * 3 = 3 3 + 3 = 6