正文

朋友送來一個鏈接,叫 khanacademy.org 看上去很棒

(2011-04-10 08:30:06) 下一個
http://www.khanacademy.org/#browseIf you have the ipad, or ipod, you can download Khan academy free from apple application store. If your kids are willing to learn, they are very good classes on everything.
[ 打印 ]
閱讀 ()評論 (0)
評論
目前還沒有任何評論
登錄後才可評論.