不管藍領白領(套路)能算出角度就一定要頂,嗬嗬~應該就是它了(29度/8.7)~

來源: 與數學無關於 2010-10-05 00:44:50 [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.