n取m的组合是N!/[m!(N-m)!]

来源: 书是如此说于 2004-03-10 20:46:33 [旧帖] [给我悄悄话] 本文已被阅读：次

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