NIVEAU 4 (CE1 - CE2)

Combinaison : [1,3,3,7] = 13

Calcul 1 Calcul 2 Calcul Final
1 * 3 = 3 3 + 7 = 10 3 + 10 = 13
1 * 7 = 7 3 + 3 = 6 7 + 6 = 13