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作者 harrybbs 在 PTT [ Math ] 看板的留言(推文), 共15則

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[中學] 圓

[ Math ]7 留言, 推噓總分: +2

作者: blackymys - 發表於 2025/05/01 21:46(1年前)

4^F推harrybbs: 答案=π(36-4) 是嗎?05/01 23:23

[機統] 求救！主管出了一道數學題

[ Math ]3 留言, 推噓總分: +1

作者: rhymelover - 發表於 2022/10/19 13:34(3年前)

3^F推harrybbs: 已解決了嗎?10/19 23:01

[代數] a^3+b^3+c^3=d^3的正整數解

[ Math ]18 留言, 推噓總分: +4

作者: DreamYeh - 發表於 2021/05/08 13:05(5年前)

15^F推harrybbs: 猜想：除345沒有其他整數解05/09 09:03

16^F→harrybbs: 證明這邊空白太小寫不下05/09 09:04

Re: [其他] 根號(-2) = 根號(2)x(i) , x是乘號

[ Math ]18 留言, 推噓總分: +9

作者: Desperato - 發表於 2018/01/12 19:07(8年前)

4^F推harrybbs: 好文01/12 19:43

[其他] 根號(-2) = 根號(2)x(i) , x是乘號

[ Math ]193 留言, 推噓總分: +21

作者: AppleOuO - 發表於 2018/01/12 12:20(8年前)

116^F推harrybbs: 根號-201/12 18:20

117^F→harrybbs: =(2 * e^iπ)^(1/2)01/12 18:20

118^F→harrybbs: =2^(1/2) * e^iπ01/12 18:20

119^F→harrybbs: =根號2*i01/12 18:20

122^F→harrybbs: 以上2行符號被吃掉了，改01/12 18:22

123^F→harrybbs: =2^(1/2) * e^iπ/2=根號2*i01/12 18:22

185^F推harrybbs: 不好意思我的方法有問題01/12 19:33

[其他] 工數-請大家幫我看寫的對不對

[ Math ]2 留言, 推噓總分: +2

作者: candychenla - 發表於 2018/01/11 10:05(8年前)

2^F推harrybbs: 看起來沒什麼問題啊01/11 15:25

[公告] 買賣書籍請於本篇文章推文置底

[ Math ]332 留言, 推噓總分: +146

作者: calvin4 - 發表於 2014/03/05 22:45(12年前)

131^F推harrybbs: [售]A fisrt course in probability Neil 二手 40010/06 00:48

132^F→harrybbs: [售]微積分Calculus 10th (Salas)10/06 00:49

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