@khanacademy hi,i come from china,and like your methods , it help my son learn math. and i want publish your method for math, how do you Authorize the copyright .thanks
my email:yuyu2003@gmail.com
Hi there! You can embed our YouTube videos on your website. Does that work?
-
-
l want to publish in china for books, so I will pay for the copyright.
-
publish on paper, and not on the websit.
End of conversation
New conversation -
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.