NIVEAU 3 (CE1 - CE2)

Combinaison : [2,3,7,7] = 19

Calcul 1 Calcul 2 Calcul Final
2 + 3 = 5 7 + 7 = 14 5 + 14 = 19
2 + 7 = 9 3 + 7 = 10 9 + 10 = 19