謝謝分享，數學係的佩服一下數學好的：）不過TESLA 車很酷：）有點像APPLE：）

來源: rosebush 於 2013-05-03 14:22:05 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.