作者查詢 / magicrex
作者 magicrex 在 PTT [ Math ] 看板的留言(推文), 共19則
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2F→: 其實b^2=ac解出後代回求整數那個式子b換成ac12/19 11:06
3F→: 一樣能直接求出整數12/19 11:07
12F→: 無解12/19 10:53
14F推: 奇數平方的,記得好像有證明中間數必放中間09/27 09:16
6F→: 國中作法也是有4次吧,還是教改改掉了?06/24 07:58
7F→: 而且如bin所說,實際上可當二次去因式分解06/24 07:59
8F→: 在下讀國中已經快20年前的事了=_=...06/24 07:59
2F→: 27/1 ?01/25 23:12
26F推: 國高中可以去這http://www.junyiacademy.org/01/25 15:59
27F→: 均一教育平台01/25 15:59
28F→: 想同時學英文,就去https://www.khanacademy.org/01/25 16:00
3F→: 原po用相似形弄不出來的原因是?07/24 14:04
1F推: 原式化作圓的方程式,求圓心和半徑07/20 10:56
2F→: 會剛好有四個圓在四象限,畫個圖會更清楚07/20 10:57
3F→: 扣掉重疊部份就是答案07/20 10:58