NIVEAU 4 (CE1 - CE2)

Combinaison : [1,1,7,8] = 16

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