作者查詢 / wxtab019
作者 wxtab019 在 PTT [ Math ] 看板的留言(推文), 共281則
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1F→: 這個直接看圖形就好了吧 ...同軸同轉 對齒輪的反向04/28 23:52
4F→: 用想的沒辦法 不然自己用手比一下應該也很好判斷04/29 12:43
1F→: 96位+91位 除非前面都是99999xx才會進位04/28 13:22
2F→: 同理 31位-16位 前面也都要100000000000000000000~~04/28 13:22
3F→: 你想會出現這種情況嗎04/28 13:22
4F→: 上面的0打太多了04/28 13:22
6F→: 只看首位數沒用阿 要看位數差的前一位04/28 20:35
7F→: 用少位一點的舉例 3位數-1位數=?位數04/28 20:35
8F→: 如果要退位 一定要100~109以內才有可能04/28 20:36
9F→: 阿 說錯了 109也不會04/28 20:37
10F→: 像5位-2位 就要10098~10000內才有可能退位04/28 20:37
11F→: 進位也一樣 5位+2位 要99901~99999才可能進04/28 20:38
14F→: 沒錯阿04/28 21:59
17F→: 或是哪個有10000000000xxx一堆0的04/28 22:59
18F→: 會有這種的通常也都很好看出來04/28 23:00
1F→: 沒其他條件? 感覺不一定會a0=a1=a2=...=ak=004/25 21:13
6F→: 積分的觀念吧 也可以想成一堆圓疊起來 R=0→r04/23 00:03
7F→: 下半球就是 R=r→004/23 00:03
2F→: 首先 你會把7個人分成3 2 2嗎?算有幾種組合04/22 21:56
3F→: 然後3人 2人 2人的內部看分別有幾種組合04/22 21:56
4F→: 然後看3 2 2這3個排列有幾種組合 重複的自己注意04/22 21:57
13F→: 就直接看1/1是不是星期一就好阿04/18 18:31
14F→: 閏年的話還可以多一天有間隔04/18 18:32
24F→: 我說的多一天不是多一個星期一 只是說多一天能間隔04/18 23:24
2F→: 大寫的γ04/17 15:56
1F→: 還以為有計算公式之類的04/17 00:23
2F→: 不然你的答案用什麼方法算出來的?04/17 00:24
2F→: 1.先問問你 如果像最後只剩中獎or沒中獎的04/16 21:14
3F→: 可是抽到已經沒有的怎麼算04/16 21:14
4F→: 如果最後只剩一樣的 就算穩中 那也一樣04/16 21:14
16F→: 看你的某一項被抽光之後 是就付錢然後沒東西拿04/17 00:06
17F→: 或是拿還有剩的一個04/17 00:06