NIVEAU 3 (CE1 - CE2)

Combinaison : [1,2,5,7] = 15

Calcul 1 Calcul 2 Calcul Final
1 + 2 = 3 5 + 7 = 12 3 + 12 = 15
1 + 5 = 6 2 + 7 = 9 6 + 9 = 15
1 + 7 = 8 2 + 5 = 7 8 + 7 = 15