[問卦] 雞貓同籠 共有37隻腳 問雞貓各有幾隻
某大樓因為地震發生傾斜
有若干隻雞跟若干隻貓困在裡面
已知有3隻雞在跳樓求生時摔斷1隻腳
有7隻貓跳樓求生時摔斷1隻腳
現在整棟大樓裡的雞跟貓加起來共有37隻腳
試問雞跟貓各有多少隻
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 101.12.22.191 (臺灣)
※ 文章網址: https://www.ptt.cc/bbs/Gossiping/M.1712826052.A.691.html
推
04/11 17:01,
3周前
, 1F
04/11 17:01, 1F
→
04/11 17:01,
3周前
, 2F
04/11 17:01, 2F
推
04/11 17:01,
3周前
, 3F
04/11 17:01, 3F
推
04/11 17:02,
3周前
, 4F
04/11 17:02, 4F
推
04/11 17:02,
3周前
, 5F
04/11 17:02, 5F
推
04/11 17:02,
3周前
, 6F
04/11 17:02, 6F
推
04/11 17:02,
3周前
, 7F
04/11 17:02, 7F
噓
04/11 17:02,
3周前
, 8F
04/11 17:02, 8F
推
04/11 17:02,
3周前
, 9F
04/11 17:02, 9F
噓
04/11 17:02,
3周前
, 10F
04/11 17:02, 10F
噓
04/11 17:03,
3周前
, 11F
04/11 17:03, 11F
推
04/11 17:03,
3周前
, 12F
04/11 17:03, 12F
→
04/11 17:03,
3周前
, 13F
04/11 17:03, 13F
→
04/11 17:04,
3周前
, 14F
04/11 17:04, 14F
→
04/11 17:05,
3周前
, 15F
04/11 17:05, 15F
→
04/11 17:07,
3周前
, 16F
04/11 17:07, 16F
→
04/11 17:08,
3周前
, 17F
04/11 17:08, 17F
推
04/11 17:09,
3周前
, 18F
04/11 17:09, 18F
→
04/11 17:10,
3周前
, 19F
04/11 17:10, 19F
推
04/11 17:32,
3周前
, 20F
04/11 17:32, 20F
噓
04/11 17:36,
3周前
, 21F
04/11 17:36, 21F
噓
04/11 17:37,
3周前
, 22F
04/11 17:37, 22F
噓
04/11 17:43,
3周前
, 23F
04/11 17:43, 23F
噓
04/11 18:06,
3周前
, 24F
04/11 18:06, 24F
→
04/11 18:33,
3周前
, 25F
04/11 18:33, 25F
推
04/12 05:24,
2周前
, 26F
04/12 05:24, 26F