Reiji Azuma
@reiji_azuma
Japan, Tokio
Joined Jul 2015
World Rank: #25703 (1.1 points)
Institution: Kindergarten
Activity over the last year
Effectiveness
- Problems solved
- 20
- Solutions submitted
- 93
Japan, Tokio
Joined Jul 2015
World Rank: #25703 (1.1 points)
Institution: Kindergarten