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▅ ▆ ▇ Salman ▇ ▆ ▅
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How to improve khan academy learning system.
We need quizzes mid video to see what we learned so far in the video and if we got a certain amount of questions right we can go on or if you got it a certain amount of questions wrong, THEN you wa...
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Total activity 6
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Last activity
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Member since
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Following 2 users
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Followed by 0 users
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Votes 3
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Subscriptions 1