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作者 chuo 在 PTT [ Math ] 看板的留言(推文), 共185則

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[圖論] complete graph

[ Math ]5 留言, 推噓總分: +2

作者: mqazz1 - 發表於 2011/10/17 20:53(14年前)

1^F推chuo:第4題就只是30的因數而已10/17 22:56

3^F→chuo:15 edges 每個edges提供了2個degree 共30個degree10/18 01:33

4^F→chuo:G is regular 所以頂點個數一定是30的因數10/18 01:33

[幾何] 一題高中數學

[ Math ]2 留言, 推噓總分: +1

作者: nick982009 - 發表於 2011/10/08 22:49(14年前)

1^F推chuo:將A點對X軸找對稱A' D點對Y軸找對稱D' 找A'D'線段10/08 23:01

2^F→chuo:會是最小值嗎?10/08 23:02

[問題] ΣXiYi = ΣXiΣYi 什麼時候會成立?

[ Math ]8 留言, 推噓總分: +1

作者: attitude93 - 發表於 2011/09/29 00:26(14年前)

4^F→chuo:我也想問1f這句是指除了Xi=Yi=0之外的解嗎09/29 00:49

6^F→chuo:如果是的話就Xi全部一樣然後ΣYi=0就好反之亦然09/29 00:49

Re: [中學] 關於平方的數字和

[ Math ]2 留言, 推噓總分: 0

作者: JohnMash - 發表於 2011/08/27 20:16(14年前)

1^F→chuo:9a的部份錯了吧81a才是99....9^208/27 20:19

[中學] 關於平方的數字和

[ Math ]4 留言, 推噓總分: +2

作者: stsun1223 - 發表於 2011/08/27 19:50(14年前)

2^F推chuo:直接根據推測 1 4 9 16 .....20^208/27 20:14

3^F→chuo:不過應該不會對啦XDDDDDDD08/27 20:15

4^F推chuo:答案似乎是16608/27 20:17

Re: [中學] 2011 TRML 團體賽、思考賽

[ Math ]3 留言, 推噓總分: +3

作者: Starvilo - 發表於 2011/08/21 13:31(14年前)

2^F推chuo:本題答案為37根號3無誤08/22 01:13

[中學] 尺規作圖

[ Math ]13 留言, 推噓總分: +2

作者: hank791221 - 發表於 2011/08/05 20:05(14年前)

5^F推chuo:過A點畫兩條線L、M 在L上找AB=1 AC=a 在M上找AD=108/05 20:24

6^F→chuo:過B點做平行線交M於E點~AE為所求08/05 20:24

7^F→chuo:以上是假設a>1 如果a<1類似...08/05 20:25

[中學] TRML..完全平方數問題

[ Math ]5 留言, 推噓總分: +3

作者: ntucc - 發表於 2011/08/04 03:16(14年前)

1^F推chuo:式子是n*2^(n-1) + 1?08/04 03:17

[中學] 證明題

[ Math ]9 留言, 推噓總分: +4

作者: undefeated11 - 發表於 2011/07/28 02:00(14年前)

1^F推chuo:積木可翻轉嗎(雖然我覺得這不影響答案)07/28 02:06

Re: [中學] 有關因數倍數

[ Math ]5 留言, 推噓總分: +1

作者: chuo - 發表於 2011/07/23 15:15(14年前)

2^F→chuo:有吧高中有討論負的因數07/23 20:59

3^F→chuo:能整除不代表叫做因數嗎?07/23 21:00

4^F→chuo:可是能整除不就應該是因數與倍數的定義嗎?07/23 21:03

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