NIVEAU 5 (CE1 - CE2)

Combinaison : [1,3,5,9] = 17

Calcul 1 Calcul 2 Calcul Final
1 * 3 = 3 5 + 9 = 14 3 + 14 = 17
1 * 5 = 5 3 + 9 = 12 5 + 12 = 17
1 * 9 = 9 3 + 5 = 8 9 + 8 = 17