huang jinxiu
@hjx
China, Chengdu
Joined Jul 2024
World Rank: #10378 (3.4 points)
Institution: NO.7middle school
Activity over the last year
Effectiveness
- Problems solved
- 29
- Solutions submitted
- 68
China, Chengdu
Joined Jul 2024
World Rank: #10378 (3.4 points)
Institution: NO.7middle school