5/4--1=.25=25%...,我想應是4/5=80%.

來源: jinjing 於 2013-07-03 09:48:17 [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.