又拿周長來糊弄，你整個一不明白啥叫直徑啥叫周長吧？

來源: 萬綠叢中於 2014-12-19 11:41:09 [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.