NIVEAU 4 (CE1 - CE2)

Combinaison : [1,2,3,7] = 12

Calcul 1 Calcul 2 Calcul Final
1 * 2 = 2 3 + 7 = 10 2 + 10 = 12
1 * 3 = 3 2 + 7 = 9 3 + 9 = 12
1 * 7 = 7 2 + 3 = 5 7 + 5 = 12