作者查詢 / usttsu
作者 usttsu 在 PTT [ Math ] 看板的留言(推文), 共58則
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3F推:我都算250組 我算錯了嗎?!02/02 12:57
7F推:忘了除5= =+02/03 09:27
36F推:x是偶數, x+x+...+x=x^2 -(1式 x連加x次)11/22 22:31
37F→:忽視我的推文11/22 22:33
6F推:-ca <-> ab <-> -be <-> -ef <-> -fd <-> dc <->-ca10/15 22:49
7F→:從-ca<0 第一種 a<0 c<0 第二種 a>0 c>0 開始討論10/15 22:50
1F推:https://www.youtube.com/watch?v=D1kSly4ajXs10/13 20:49
2F→:複數次方教學 片長3分鐘10/13 20:50
2F推:310/13 19:29
3F→:ln(-ie^3)=[4*ln(-ie^3)]/4=ln[(-i)^4*e^12]/4=310/13 19:31
4F→:不知道這樣對不對10/13 19:31
8F推:舉手發問 我錯在哪 怎麼我會少了-pi*i/210/13 20:03
13F推:在複數裡面 ln(i)=4ln(i)/4=ln(i^4)/4=ln(1)/4=010/13 21:15
14F→:這樣寫是錯的 是因為複數裡面ln定義有關嗎10/13 21:16
15F推:我懂了 謝謝10/13 21:30
3F推:3球號碼=牌子上的三個號碼,另外12球任意選09/04 22:43
28F推:這就是數學有趣的地方(大誤)08/30 12:29
6F推:功德無限 對象有限08/29 00:13
4F推:幾何分布08/01 17:57
8F推:x+1.4y=28.206/18 17:31
9F推:我錯了(我把刻度10當成長度10 刻度13當成長度13)06/18 23:41