排列組合問題
有三類型的電視節目A. B. C
其中A有四個
B有兩個
C有兩個
同類型的節目不能相鄰
求有幾種排法
謝謝
我只會8!/4!2!2!接系來就不會了..
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→
04/02 22:43, , 1F
04/02 22:43, 1F
推
04/02 22:54, , 2F
04/02 22:54, 2F
→
04/02 22:55, , 3F
04/02 22:55, 3F
→
04/02 22:59, , 4F
04/02 22:59, 4F
→
04/02 22:59, , 5F
04/02 22:59, 5F
→
04/02 23:00, , 6F
04/02 23:00, 6F
→
04/02 23:00, , 7F
04/02 23:00, 7F
→
04/02 23:01, , 8F
04/02 23:01, 8F
→
04/02 23:01, , 9F
04/02 23:01, 9F
→
04/02 23:01, , 10F
04/02 23:01, 10F
→
04/02 23:02, , 11F
04/02 23:02, 11F
→
04/02 23:03, , 12F
04/02 23:03, 12F
→
04/02 23:03, , 13F
04/02 23:03, 13F
→
04/02 23:04, , 14F
04/02 23:04, 14F
→
04/02 23:07, , 15F
04/02 23:07, 15F
→
04/02 23:07, , 16F
04/02 23:07, 16F
→
04/02 23:08, , 17F
04/02 23:08, 17F
→
04/02 23:08, , 18F
04/02 23:08, 18F
→
04/02 23:08, , 19F
04/02 23:08, 19F
→
01/02 15:43,
5年前
, 20F
01/02 15:43, 20F
→
07/07 12:00,
4年前
, 21F
07/07 12:00, 21F
討論串 (同標題文章)