Sunday, March 13, 2011

用youtube教数学

Posted by at
Labels:

2 comments:

  1. TanBSSeptember 2, 2011 at 12:19 AM

    怎样让字慢慢出来？

    ReplyDelete
  2. AnonymousSeptember 3, 2011 at 4:10 PM

    我是用一支电子笔写出来，不是它慢慢出来。

    ReplyDelete

Subscribe to: Post Comments (Atom)