回复：I think C(6,3)22+6!/6=200..

来源: slowguy 于 2012-05-04 06:25:34 [旧帖] [给我悄悄话] 本文已被阅读：次

Could the first C(6,3)*2*2 have duplicates?

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

回复：I think C(6,3)*2*2+6!/6=200..