P(3) × C(10, 3); C(18, 3)

來源: ppzcgg 於 2007-02-19 09:08:18 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

? :P

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