這個方法不聰明，可也不用象2大爺那樣按計算器。計算器是老頭兒之友。

來源: 暖小蛇於 2010-12-08 08:59:23 [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.