Added: 2 years ago
From: khanacademy
Views: 11,203
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  • very nice, thanks :p

  • Awesome !!! =D

  • Congrats! You're really good! Thanks for sharing your knowledge! Really well explained! =)

  • Will you talk about Falk's schema?! It's easier to follow and to calculate. (Sigurd Falk)

  • Thanks!

    شكرا

    in Arabic

    :)

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