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作者 Luke2 在 PTT [ Math ] 看板的留言(推文), 共96則
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1F推:tan(pi/7)tan(2pi/7)tan(3pi/7)=sqrt704/05 00:27
2F→:總覺得跟這個有關...我也算不出來就是了04/05 00:27
3F推:角錐減角錐03/26 15:55
4F→:我記得是叫做柱臺03/26 15:55
6F推:仔細看 他的指數都是奇數喔03/24 18:40
7F→:二項展開有一個子定理專門在講奇數的...03/24 18:41
1F推:可以用三角不等式吧@@03/19 20:33
2F→:其實那題還有要求說有沒有"更一般"的結果03/19 20:33
4F推:可以用三角不等式吧@@03/19 20:33
5F→:其實那題還有要求說有沒有"更一般"的結果03/19 20:33
18F推:第一題的極限值應該是1/2 那第二題呢?03/08 18:35
3F→:其實只是高中數學課本而已= = 小弟目前高三...02/20 23:12
4F→:才學殊淺 並不了解epsilon-delta的概念...02/20 23:12
8F→:所以說 這個敘述(充分必要)是錯的嗎?02/20 23:19
9F→:因為我們根本不會去討論右極限(討論也沒意義)02/20 23:19
12F→:瞭解了,謝謝!02/20 23:26
3F推:用高斯符號的特性吧@@ x-1 <=[x]<=x02/18 17:01
4F→:再用夾擠 我猜是這樣做02/18 17:02
7F推:恩...四樓的才是正解02/18 17:05