NIVEAU 5 (CE1 - CE2)

Combinaison : [1,5,7,8] = 20

Calcul 1 Calcul 2 Calcul Final
1 * 5 = 5 7 + 8 = 15 5 + 15 = 20
1 * 7 = 7 5 + 8 = 13 7 + 13 = 20
1 * 8 = 8 5 + 7 = 12 8 + 12 = 20