NIVEAU 3 (CE1 - CE2)

Combinaison : [1,3,4,7] = 15

Calcul 1 Calcul 2 Calcul Final
1 + 3 = 4 4 + 7 = 11 4 + 11 = 15
1 + 4 = 5 3 + 7 = 10 5 + 10 = 15
1 + 7 = 8 3 + 4 = 7 8 + 7 = 15