NIVEAU 5 (CE1 - CE2)

Combinaison : [1,2,7,9] = 18

Calcul 1 Calcul 2 Calcul Final
1 * 2 = 2 7 + 9 = 16 2 + 16 = 18
1 * 7 = 7 2 + 9 = 11 7 + 11 = 18
1 * 9 = 9 2 + 7 = 9 9 + 9 = 18