NIVEAU 4 (CE1 - CE2)

Combinaison : [1,2,5,8] = 15

Calcul 1 Calcul 2 Calcul Final
1 * 2 = 2 5 + 8 = 13 2 + 13 = 15
1 * 5 = 5 2 + 8 = 10 5 + 10 = 15
1 * 8 = 8 2 + 5 = 7 8 + 7 = 15