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Cao Lm

Cao Lm tarafından gerçekleştirilen son faaliyetler

Make mastery challenge available without waiting!
1. Topluluk
2. Feature Requests and General Site Feedback
Mastery challenges help you learn, right? So why khan let us wait 16 hours for learning? Right? I wish Mastery challenge is available when I finish a skill, and I not have to wait for 16 hours