NIVEAU 6 (CE1 - CE2)

Combinaison : [1,7,8,9] = 24

Calcul 1 Calcul 2 Calcul Final
1 * 7 = 7 8 + 9 = 17 7 + 17 = 24
1 * 8 = 8 7 + 9 = 16 8 + 16 = 24
1 * 9 = 9 7 + 8 = 15 9 + 15 = 24