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Re: [中學] 算幾不等式

[ Math ]8 留言, 推噓總分: +1

作者: DreamYeh - 發表於 2015/08/24 21:28(8年前)

1^F推skylion: QvQ 謝謝原來如此08/24 21:29

2^F→skylion: 另外還有一個做法就是令所求為k08/24 21:30

3^F→skylion: 然後寫成一個二次式利用判別式大於等於零作08/24 21:30

4^F→skylion: 解出來是對的我想問為什麼可以這樣做因為不太懂題08/24 21:31

5^F→skylion: 目給的條件似乎沒有是實數怎麼會想到用這個作Orz08/24 21:31

6^F→skylion: 謝謝08/24 21:31

Re: [中學] 二次函數一題

[ Math ]2 留言, 推噓總分: +1

作者: Intercome - 發表於 2015/03/24 23:36(9年前)

1^F推skylion: 推XD 原來也可以算出來XD03/25 08:06

[中學] 資優班入學考一題

[ Math ]3 留言, 推噓總分: +1

作者: skylion - 發表於 2015/03/20 00:33(9年前)

2^F→skylion: @@03/20 00:43

3^F→skylion: 謝謝~~QvQ03/20 00:44

[中學] 重心一題

[ Math ]8 留言, 推噓總分: +5

作者: skylion - 發表於 2015/01/13 22:30(9年前)

3^F→skylion: 謝謝~~看懂了QQ01/13 23:38

Re: [中學] 圓錐曲線(橢圓+雙曲線)一題

[ Math ]3 留言, 推噓總分: +2

作者: LPH66 - 發表於 2015/01/13 22:11(9年前)

2^F推skylion: 好屌我們以前的題目有到這種程度嗎?@@01/13 22:35

3^F→skylion: 學測變簡單了可是平常考一直變難的樣子01/13 22:35

[中學] 幾何圖形

[ Math ]9 留言, 推噓總分: +6

作者: onceheart - 發表於 2015/01/13 12:38(9年前)

7^F推skylion: 國中數學超難的看好久才看出來而且又列出恆等式01/13 14:58

Re: [中學] 國中梯形問題

[ Math ]10 留言, 推噓總分: +5

作者: Honor1984 - 發表於 2015/01/04 19:47(9年前)

5^F推skylion: 但是必須知道FA:FD才能知道AB:DC不是嗎?01/05 01:28

6^F→skylion: 題目只給了DE:AE 沒辦法吧01/05 01:28

[中學] 休假問題

[ Math ]7 留言, 推噓總分: +1

作者: skylion - 發表於 2014/07/18 22:28(9年前)

7^F→skylion:@@ 好像有比較懂一點07/20 22:24

Re: [中學] 幾題中學問題

[ Math ]1 留言, 推噓總分: +1

作者: Honor1984 - 發表於 2014/07/04 14:12(9年前)

1^F推skylion:推不過我DH算出來是9/8 ?07/06 12:08

Re: [中學] 面積大小的證明

[ Math ]1 留言, 推噓總分: +1

作者: Honor1984 - 發表於 2014/07/03 22:50(9年前)

1^F推skylion:謝謝但是還是有點不太懂07/06 11:23

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