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作者 thisday 在 PTT [ Math ] 看板的留言(推文), 共559則
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6F→:apha=np05/22 15:51
2F推:是問檢查偽幣次數的期望值吧?05/16 22:07
3F→:取數是三次的情況還有可能三次都取到正常硬幣喔!!05/16 22:15
4F→:p=1/7 3x(1/7)+12/7=15/705/16 22:16
1F→:TRML的某一題... 原式x(cos^2+sin^2)()()>=(2+3)^405/15 11:00
2F→:等號成立 所以成比例05/15 11:01
3F→:打錯了應該要用(sin^2+cos^2)來乘05/15 11:02
3F推:這位是數研榜首呢^^05/14 22:36
1F→:你用的課本是?05/14 17:54
6F推:Ramanujan算是素人數學家嗎?05/14 11:37
4F推:222222222222222222222222222222222222222222222222205/13 23:21
2F推:讓我又看了一下板標05/13 23:31
11F→:XD05/13 13:42
1F推:為何可以知道 (1 + i)z 為實數05/13 12:12
5F推:對齁XD 謝謝p大05/13 13:41