NIVEAU 4 (CE1 - CE2)

Combinaison : [1,1,2,9] = 12

Calcul 1 Calcul 2 Calcul Final
1 * 1 = 1 2 + 9 = 11 1 + 11 = 12
1 + 2 = 3 1 * 9 = 9 3 + 9 = 12
1 * 2 = 2 1 + 9 = 10 2 + 10 = 12