Forgot login/password?
Basic course > Basics: Step-by-step ‐ Lesson 14 ‐ B
June 19, 2016 by Guo Juan 5p
- Good shape
- Recognizing weakness 2
Duration: 12 minutes

If you can help us with translations, we need your help.
Contact us
12 Problems
DiogoBarbosa Thank you for the lecture!
You must be logged in to post a comment. If you don't have an account, you can register.

This lecture costs 1€ for a month of viewing.

You must be logged in to watch it.

You need to buy a Training System Membership to access this problem set.