作者查詢 / suaveness
作者 suaveness 在 PTT [ Math ] 看板的留言(推文), 共27則
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2F推: 想想那個數字會是2的幾次方就行了,應該01/17 21:52
30F推: 2跟3理論上沒有問題,woi提到的那種很重要05/01 16:21
31F→: 因為小學常幹這種事XD05/01 16:21
32F→: 小聲問≒ 跟 兩個~上下組合而成的約等於 差在哪裡?05/01 16:26
16F→: 一樓做的證明是 奇數×奇數=奇數03/17 12:26
17F→: 原po要的證明是 奇數=奇數×奇數,如果要證明要反證03/17 12:36
18F→: 證明若有至少一為偶數,則積數必為偶數 →不合03/17 12:36
19F→: 因此若要積為奇數,則乘數與被乘數皆不可為偶數03/17 12:37
5F推: Euler Identity01/21 20:46
2F推: 我去年也想過同樣的問題01/04 19:30
1F推: 29?12/07 12:37
11F→: 乾....又被賒帳騙了-.-12/07 18:16
20F→: 題目多寫一點09/12 18:04
21F→: 如果時間不夠 把比較常見的題型背一下解法09/12 18:04
37F推: 這不叫保溫瓶 這叫做熱水瓶吧?09/04 16:36
38F→: 仔細看了一下 這是什麼爛題目...09/04 16:36
1F→: 1. (1) a^2-b^2=(a+b)(a-b);101=101*108/20 08:55
2F→: 我數字算出來長的好奇怪QAQ08/12 16:05
3F→: 不過基本上應該都是用 Sn=[a1(1-(r^n))]/(1-r)08/12 16:08
10F推: 我們學校都教用Sn算...因為r^n=0 變成 Sn=a1/(1-r)08/12 23:59
11F→: LPH66大大方法太神奇了 剛剛去看了一下 完全沒想到08/13 00:03