NIVEAU 4 (CE1 - CE2)

Combinaison : [1,2,5,7] = 14

Calcul 1 Calcul 2 Calcul Final
1 * 2 = 2 5 + 7 = 12 2 + 12 = 14
1 * 5 = 5 2 + 7 = 9 5 + 9 = 14
1 * 7 = 7 2 + 5 = 7 7 + 7 = 14