作者查詢 / springman
作者 springman 在 PTT [ Math ] 看板的留言(推文), 共96則
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1F推: 數學論文會特別設 Definition 來定義東西;文中可能07/30 17:44
2F→: 就用 Let ... 或 The XXX is ??? which ...,07/30 17:45
3F→: XXX 是要定義的東西。不過您是要中翻英嗎?07/30 17:45
1F推: 493。也是要慢慢找。12/01 13:16
1F推: 30 種?5(塗上下兩面)*3!=30。不知對不對?10/19 18:46
1F推: 9+90*2+900*3+4 = 289310/10 12:03
3F→: 9+90*2+3*(x-99) = 1458, x = 522。10/10 12:05
5F推: 這可以貼到 latex 板嗎?謝謝。09/15 05:06
4F推: 第一次走到 B 左邊那個點時,只有 2 種選擇吧!?08/02 05:03
1F→: 厲害!11/09 16:42
1F推: 答案對嗎?a2=5 + 根號25=10,但 a3=50+根號24111/09 13:54
2F→: 開始就不是整數了,之後還會是整數嗎?11/09 13:55
3F→: 用試算表算出 a5 是 1930.339504。11/09 13:56
6F推: 從數字看來似乎可以推到 a_{n+2}=10a_{n+1}-a_n11/09 14:39
7F→: 只是不太會推!11/09 14:40
3F推: (長方形面積-兩個圓面積)/2=(200-50π)/2=100-25π08/06 04:53
1F推: 猜啊!期望值是正的就猜,更何況台灣人賭性堅強!08/03 12:13
2F→: 2.5 * 4/5 - 2.5 * 1/5 * 1/3 = 1.83。08/03 12:14
3F→: 咦!我算錯了,應該是 2.5* 1/5-2.5*4/5*1/3=-0.1708/03 12:14
4F→: 結果期望值是負的,sorry。08/03 12:15
10F推: 感覺上好像是中文的問題!或許應該去問出題老師,08/03 17:38
11F→: 他的倒扣分數是怎麼算的,才能知道確實的算法。08/03 17:38
12F→: 如果是我出題目的話,不可能倒扣分數比得分更高。08/03 17:39