[其他] 排列組合
想問第7題怎算,因為自己一直算不出來,求高人指導
謝謝
-----
Sent from JPTT on my LGE LG-D855.
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 1.171.137.22
※ 文章網址: https://www.ptt.cc/bbs/Math/M.1461329704.A.62D.html
推
04/22 21:52, , 1F
04/22 21:52, 1F
→
04/22 21:56, , 2F
04/22 21:56, 2F
→
04/22 21:56, , 3F
04/22 21:56, 3F
→
04/22 21:57, , 4F
04/22 21:57, 4F
→
04/22 22:01, , 5F
04/22 22:01, 5F
推
04/22 22:10, , 6F
04/22 22:10, 6F
→
04/22 22:13, , 7F
04/22 22:13, 7F
推
04/22 22:16, , 8F
04/22 22:16, 8F
→
04/22 22:19, , 9F
04/22 22:19, 9F
→
04/22 22:30, , 10F
04/22 22:30, 10F
→
04/22 22:51, , 11F
04/22 22:51, 11F
→
04/22 23:16, , 12F
04/22 23:16, 12F
推
04/22 23:26, , 13F
04/22 23:26, 13F
→
04/22 23:27, , 14F
04/22 23:27, 14F
→
04/22 23:28, , 15F
04/22 23:28, 15F
推
04/22 23:29, , 16F
04/22 23:29, 16F
→
04/22 23:29, , 17F
04/22 23:29, 17F
→
04/22 23:37, , 18F
04/22 23:37, 18F
推
04/22 23:45, , 19F
04/22 23:45, 19F
→
04/22 23:46, , 20F
04/22 23:46, 20F
→
04/22 23:47, , 21F
04/22 23:47, 21F
推
04/22 23:53, , 22F
04/22 23:53, 22F
推
04/22 23:55, , 23F
04/22 23:55, 23F
→
04/22 23:55, , 24F
04/22 23:55, 24F
→
04/22 23:56, , 25F
04/22 23:56, 25F
推
04/23 00:11, , 26F
04/23 00:11, 26F
推
04/23 00:13, , 27F
04/23 00:13, 27F
→
04/23 00:14, , 28F
04/23 00:14, 28F
→
04/23 00:14, , 29F
04/23 00:14, 29F
→
04/23 00:14, , 30F
04/23 00:14, 30F
→
04/23 00:17, , 31F
04/23 00:17, 31F
→
04/23 00:18, , 32F
04/23 00:18, 32F
感謝大家的幫忙 問題已解答 真的非常感激
※ 編輯: plugtask (1.171.137.22), 04/23/2016 00:34:28
推
04/23 00:34, , 33F
04/23 00:34, 33F
→
04/23 00:59, , 34F
04/23 00:59, 34F
→
04/23 00:59, , 35F
04/23 00:59, 35F
推
04/23 01:30, , 36F
04/23 01:30, 36F
討論串 (同標題文章)