NIVEAU 5 (CE1 - CE2)

Combinaison : [1,4,7,8] = 19

Calcul 1 Calcul 2 Calcul Final
1 * 4 = 4 7 + 8 = 15 4 + 15 = 19
1 * 7 = 7 4 + 8 = 12 7 + 12 = 19
1 * 8 = 8 4 + 7 = 11 8 + 11 = 19