Ինչպե՞ս կարող ենք օգնել:
Mr Steve
-
I know that some like to quit and restart exercises. There can be benefit at times by doing this. However there are a lot of negatives. 1. Khan Academy has a preset number of questions. The chances...
-
Total activity 11
-
Last activity
-
Member since
-
Following 0 users
-
Followed by 0 users
-
Votes 0
-
Subscriptions 6
-
Total activity 11
-
Last activity
-
Member since
-
Following 0 users
-
Followed by 0 users
-
Votes 0
-
Subscriptions 6