@akcza
Poland
Joined Dec 2010
World Rank: #82104 (0.1 points)
Institution: II Liceum Ogólnokształcące w Opolu
Activity over the last year
Effectiveness
- Problems solved
- 19
- Solutions submitted
- 119
Poland
Joined Dec 2010
World Rank: #82104 (0.1 points)
Institution: II Liceum Ogólnokształcące w Opolu