firmino roberto
@robertofirmino
China, Nanning
Joined Feb 2024
World Rank: #15564 (2.1 points)
Institution: Nanning No.2 High School
Activity over the last year
Effectiveness
- Problems solved
- 23
- Solutions submitted
- 84
China, Nanning
Joined Feb 2024
World Rank: #15564 (2.1 points)
Institution: Nanning No.2 High School