Seriously, @khanacademy is amazing. RT"Share your bio and activity on your new Khan Academy profile! http://www.khanacademy.org/about/blog/post/76678223552/share-your-bio-and-activity-on-your-new-profile … … @stchangg"
Share your bio and activity on your new Khan Academy profile! http://www.khanacademy.org/about/blog/post/76678223552/share-your-bio-and-activity-on-your-new-profile … @stchanggpic.twitter.com/IGXWnqgUPF
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@khanacademy@stchangg excellent workThanks. Twitter will use this to make your timeline better. UndoUndo
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@khanacademy The free education you are giving is priceless. thanks a million times!Thanks. Twitter will use this to make your timeline better. UndoUndo
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@khanacademy specially in calculus and advanced math.Thanks. Twitter will use this to make your timeline better. UndoUndo
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