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[中學] 十個人分配到三間不同的房間的方法數

[ Math ]15 留言, 推噓總分: +4

作者: imokman - 發表於 2011/04/22 19:03(13年前)

13^F→IanHsia:三間選一間當四人房0.004/22 23:12

[微積] 請教一題積分

[ Math ]2 留言, 推噓總分: +2

作者: fantasy2000 - 發表於 2011/04/22 01:58(13年前)

1^F推IanHsia:變數變換設u^2=x+3 下去代換就很好積了04/22 02:12

[幾何] 傾斜型橢圓之參數式 ?

[ Math ]6 留言, 推噓總分: 0

作者: wengwx - 發表於 2011/04/20 22:10(13年前)

1^F→IanHsia:利用旋轉座標or圖形轉換04/20 22:15

[微積] 積分過程中的一個問題~

[ Math ]2 留言, 推噓總分: +1

作者: qpmzq - 發表於 2011/04/19 23:43(13年前)

1^F推IanHsia:te^C04/19 23:46

Re: [中學] 餘數

[ Math ]3 留言, 推噓總分: 0

作者: superlori - 發表於 2011/04/18 14:54(13年前)

1^F→IanHsia:這真的好暴力04/18 14:56

Re: [童年] 殘念的99分

[ Math ]21 留言, 推噓總分: +7

作者: simonjen - 發表於 2011/04/18 14:51(13年前)

12^F→IanHsia:這樣回不對呀XD 贏了之後就不比了咩04/18 16:49

Re: [童年] 殘念的99分

[ Math ]7 留言, 推噓總分: +2

作者: hirabbitt - 發表於 2011/04/18 13:10(13年前)

68^F推IanHsia:推5/16 是說真的照著老師的講法走跟真的一樣XD04/18 14:15

Re: [微積] 分式的積分.....

[ Math ]3 留言, 推噓總分: +1

作者: airslas2012 - 發表於 2011/04/18 07:43(13年前)

2^F推IanHsia:是觀念~觀念~XD04/18 08:18

[其他] 原文的敘述問題

[ Math ]15 留言, 推噓總分: +2

作者: xdd1524 - 發表於 2011/04/17 19:10(13年前)

1^F→IanHsia:<=> if and only if04/17 19:14

2^F→IanHsia:沒沒 "<=>" 表示可以逆推回來的也就是雙向04/17 19:21

3^F→IanHsia:A is called ___ ,If A 符合某些條件.04/17 19:21

4^F→IanHsia:表示單向 "=>" 這個方向可行逆推不一定04/17 19:21

5^F→IanHsia:邏輯上某些條件下=>A04/17 19:22

6^F→IanHsia:應該只有單向喔04/17 19:25

7^F→IanHsia:A is called Q ,If A 符合P04/17 19:26

8^F→IanHsia:這樣表示比較好@@ 表示P->Q 這樣04/17 19:26

10^F→IanHsia:A=人 Q=台灣人 P=台中人這樣帶入就很清楚了04/17 19:27

11^F→IanHsia:P<=>Q 就會寫程if and only if A符合某些條件04/17 19:28

12^F推IanHsia:就都是單向不是雙向要是雙向就會寫成04/17 19:34

13^F→IanHsia:A is called Q, if and only if A符合某些條件04/17 19:35

[中學] 正八面體體積與正方體體積比

[ Math ]13 留言, 推噓總分: +4

作者: D122 - 發表於 2011/04/16 17:30(13年前)

1^F推IanHsia:畫圖吧04/16 17:45

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