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作者 atxp4869 在 PTT [ Math ] 看板的留言(推文), 共56則
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Re: [中學] x除以零為什麼不等於x
[ Math ]78 留言, 推噓總分: -4
作者: meblessme - 發表於 2023/03/07 07:46(1年前)
30Fatxp4869: 看過一個短片,它的結論與大意是:如果n/0有意義,03/08 16:40
31Fatxp4869: 從此開始的運算無論如何都會找到破綻,所以分母為003/08 16:40
32Fatxp4869: 只能是無意義03/08 16:40
[微積] 複數微分
[ Math ]4 留言, 推噓總分: +1
作者: nyu5765 - 發表於 2023/02/15 11:37(1年前)
2Fatxp4869: 笑死02/15 20:28
Re: [請益] 社會人士如何加強數理能力?
[ Math ]14 留言, 推噓總分: +5
作者: arrenwu - 發表於 2022/03/14 12:37(2年前)
6Fatxp4869: 年紀太大的想繳學費念補習班還不一定給進,有些會覺03/14 19:01
7Fatxp4869: 得你是來踢館的,甚至會認為你是對手補習班來調查情03/14 19:01
8Fatxp4869: 況之類的QQ03/14 19:01
Re: [請益] 社會人士如何加強數理能力?
[ Math ]9 留言, 推噓總分: +3
作者: onijima - 發表於 2022/03/14 04:45(2年前)
6Fatxp4869: 覺得你不無機會,但相對的要付出極大的耐心打好基礎03/14 11:58
7Fatxp4869: 練基本功,基本功打好,以後會越學越快03/14 11:58
[其他] 怎判定證明方法好
[ Math ]21 留言, 推噓總分: +3
作者: saltlake - 發表於 2021/03/22 21:15(3年前)
1Fatxp4869: 都很好 一個命題會有很多種證明方法03/23 01:13
2Fatxp4869: 那些不同的證明方法的某項細節可能會啟發其他難題的03/23 01:14
3Fatxp4869: 證明 然後持續開枝散葉03/23 01:14
[其他] 三角函數跟對數函數 是怎麼被創造出來的
[ Math ]27 留言, 推噓總分: +9
作者: silentgiant - 發表於 2020/09/07 11:01(3年前)
4Fatxp4869: 2^1=2,2^2=4又指數函數是連續函數,所以真的需要一09/07 12:38
5Fatxp4869: 種直接的方式表達2^X=3(或其他實數)來表達這個X,也09/07 12:38
6Fatxp4869: 不算憑空出現而是有跡可尋的09/07 12:38
[中學] 尺規作圖五邊形
[ Math ]35 留言, 推噓總分: +9
作者: harry921129 - 發表於 2020/08/01 11:42(3年前)
1Fatxp4869: 高斯做出過正17邊型08/01 11:45
Re: [其他] 國高中的數學天賦
[ Math ]4 留言, 推噓總分: +4
作者: kittor - 發表於 2020/07/24 23:00(3年前)
1Fatxp4869: 那你現在看國中數學會嗎07/25 00:03
[閒聊] 請板友詳讀新板規
[ Math ]3 留言, 推噓總分: +2
作者: DLHZ - 發表於 2020/01/03 14:57(4年前)
2Fatxp4869: 關於舊文,其實也可以用複製貼上的方式回0.001/03 19:55
[中學] 排列組合一題
[ Math ]14 留言, 推噓總分: +2
作者: mavs2kidd - 發表於 2019/11/27 17:25(4年前)
12Fatxp4869: 所以H是不行的(?11/27 18:07