NIVEAU 4 (CE1 - CE2)

Combinaison : [1,4,5,7] = 16

Calcul 1 Calcul 2 Calcul Final
1 * 4 = 4 5 + 7 = 12 4 + 12 = 16
1 * 5 = 5 4 + 7 = 11 5 + 11 = 16
1 * 7 = 7 4 + 5 = 9 7 + 9 = 16