NIVEAU 5 (CE1 - CE2)

Combinaison : [1,5,6,7] = 18

Calcul 1 Calcul 2 Calcul Final
1 * 5 = 5 6 + 7 = 13 5 + 13 = 18
1 * 6 = 6 5 + 7 = 12 6 + 12 = 18
1 * 7 = 7 5 + 6 = 11 7 + 11 = 18