NIVEAU 5 (CE1 - CE2)

Combinaison : [1,1,7,9] = 17

Calcul 1 Calcul 2 Calcul Final
1 * 1 = 1 7 + 9 = 16 1 + 16 = 17
1 + 7 = 8 1 * 9 = 9 8 + 9 = 17
1 * 7 = 7 1 + 9 = 10 7 + 10 = 17