NIVEAU 4 (CE1 - CE2)

Combinaison : [1,2,2,7] = 11

Calcul 1 Calcul 2 Calcul Final
1 * 2 = 2 2 + 7 = 9 2 + 9 = 11
1 * 7 = 7 2 + 2 = 4 7 + 4 = 11
2 * 7 = 14 1 + 2 = 3 14 - 3 = 11