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作者 Tiderus 在 PTT [ Math ] 看板的留言(推文), 共495則
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1F推: A=(2x-5)[(4x+3)(x-2)-7]+809/10 22:26
3F推: B=(4x+3)(x-2)-7,A=(2x-5)B+8=09/10 22:32
4F→: (2x-5)[(4x+3)(x-2)-7]+8=(2x-5)(4x+3)(x-2)09/10 22:33
5F→: -7(2x-5)+8 ,-7(2x-5)+8為一次式餘式,商(x-2)09/10 22:33
2F→: 咦,真的耶 orz09/10 22:28
1F→: 竟然是國二題目,好難。09/10 22:59
2F→: http://iask.sina.com.cn/b/10090154.html09/10 22:59
2F推: 第2行(3 sinΘ,-cosΘ)是?09/10 00:28
1F推: Good09/09 23:41
2F→: PAO=PEO=90 OAPE共圓,OP直徑。09/10 00:19
5F→: 圓周上任一點和直徑2端相連的圓周角=90度09/10 00:31
6F→: OAP的外接圓=OEP外接圓09/10 00:35
2F→: 怎算?09/09 22:54
17F→: 依照高三小老弟可以寫成(7!/3!2!2!)-(6!/2!3!)*2 +09/09 23:52
18F→: (5!/3!) = 11009/09 23:52
4F推: 你們怎找到方向的?是先找出10根看有沒有ω嗎?09/08 14:21
2F→: pqrs的次序,要怎確定?09/07 14:17
5F→: 那個公式我明白,但pqrs和數字的對應是怎樣確定的?09/07 16:36
2F→: 對吼 謝謝指正。09/07 14:04