作者查詢 / TrySoHard
作者 TrySoHard 在 PTT 全部看板的留言(推文), 共3658則
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1F推:本人PO文?!!114.41.110.130 07/07 00:08
1F推:你的"原式="這邊錯了 應該是1積分到9 不是到306/02 21:09
3F→:因為 當x=2時 1+x^3=906/02 21:10
2F推:1F正解05/18 10:32
8F推:1+2+...+n=(n+1)*n/2 然後在寫成sigma 就可以算了05/18 10:30
11F推:我是認為第二題就直接討論05/08 17:39
12F→:像是jameschou回的文那樣05/08 17:39
13F→:排列組合在條件多的時候,其實沒有一定要想一個漂亮的05/08 17:40
14F→:做法,因為條件多通常代表滿足條件的情況很少05/08 17:40
2F推:聲音蠻好聽的!140.114.203.52 05/08 23:15
21F推:神畫質是哪招XDDD05/04 09:35
1F推:這個方法厲害05/02 18:45
21F推:恩阿~這種程度的打三三 實在太恐怖了...05/01 19:24
22F→:我頂多只有跟NBA板凳打過三三而已....05/01 19:24
5F→:恩~是肉眼XD 你可以看旋轉前後的兩個橢圓的長軸05/01 08:09
6F→:應該就會發現交點在兩個長軸的角平分線上05/01 08:09