作者查詢 / oaoa0123
作者 oaoa0123 在 PTT [ Math ] 看板的留言(推文), 共120則
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8F推: 對的 你既然視為多項式就看次數不看整不整除08/26 10:48
1F推:漂亮05/16 20:48
3F推:https://www.youtube.com/watch?v=gNKOmXgI79Q05/10 22:15
1F推:第二題 令此純循環小數為0.abcd循環 化為分數為abcd/05/05 23:28
2F→:為abcd/9999,9999=9*11*101,分母為三位數只可能為905/05 23:29
3F→:為909,找出四位數滿足是11之倍數不是9或101之倍數05/05 23:30
5F推:感謝樓上 抱歉疏忽了05/05 23:31
6F→:1-2-3-...29-30-> 令Ai代表第i人,Bi代表Ai左側者05/05 23:53
7F→:Ai高於Bi<=>Bi矮於Ai 故比右側者矮者有11人05/05 23:53
8F→:所求:30-11-1(A30右側無人)=18 應該吧XD05/05 23:54
1F→:結果忘記寫答案用手機修改還不小心變成發文..03/25 18:38
2F→:X最大值是1203/25 18:39
5F→:三角形abc跟三角形cef同底等高 另兩個也是03/25 21:18
6F→:因為角ecf跟角acb互補 你把它們畫在一起就知道了03/25 21:20
7F→:所求是三倍三角形abc的最大值03/25 21:21
1F推:廣義餘式定理 x^3-1=(x-1)(x^2+x+1)03/23 12:48
1F推:你已經把三個女生綑起來了阿03/17 22:58
2F→:1師5男(三女)排列 三女再排列 乘起來03/17 22:59
3F→:我看不懂你用的符號 不過看到有加號03/17 23:03
4F→:解答應該是分兩端站男男跟男師討論吧03/17 23:04
1F推:感恩03/14 17:41
3F→:所以我可以說是因為(x,y,z)跟(y,z,x)只有在03/14 00:26
4F→:x=y=z時平行所以只卡得出最大值嗎03/14 00:27
1F推:先排第二第三志願03/09 00:47
2F推:除了輔仁中山還有五所 排完2,3 輔仁中山加入排列03/09 00:49
3F推:C(5,2)2!C(5,4)4!03/09 00:51