作者查詢 / Tiderus
作者 Tiderus 在 PTT [ Math ] 看板的留言(推文), 共495則
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2F→: 咦,萬一是歪斜線?12/22 16:00
4F→: 嗯嗯,瞭解。12/22 16:02
9F→: 原來如此!恍然大悟 @o@,多謝兩位。12/22 17:03
3F推: 數學系都看網址PDF這種東西阿,好像天書阿~XD12/22 23:02
2F→: 嗯,瞭解12/21 13:51
1F推: 這是什麼軟體?12/21 10:58
3F→: 線段F1F212/16 23:27
3F→: XD 對吼...判別式自動成立。12/15 21:52
3F→: 樓上那個是不是兩正根條件?12/15 11:23
7F→: http://goo.gl/bexiHi12/13 23:23
4F→: 硬解算式好複雜,應該有啥妙手。12/13 23:03
12F推: (ab+bc)x^2 +(c^2 - a^2)x - (ab+bc) = 012/13 22:30
13F→: => (c+a)[bx^2 + (c-a)x + b^2]=012/13 22:31
14F→: -12/13 23:02