huang jinxiu
@hjx
China, Chengdu
Joined Jul 2024
World Rank: #12736 (2.7 points)
Institution: NO.7middle school
Activity over the last year
Effectiveness
- Problems solved
- 24
- Solutions submitted
- 61
China, Chengdu
Joined Jul 2024
World Rank: #12736 (2.7 points)
Institution: NO.7middle school