NIVEAU 5 (CE1 - CE2)

Combinaison : [1,2,6,9] = 17

Calcul 1 Calcul 2 Calcul Final
1 * 2 = 2 6 + 9 = 15 2 + 15 = 17
1 * 6 = 6 2 + 9 = 11 6 + 11 = 17
1 * 9 = 9 2 + 6 = 8 9 + 8 = 17