作者查詢 / algebraic
作者 algebraic 在 PTT [ Math ] 看板的留言(推文), 共123則
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3F推: Wolfram alpha05/04 19:12
3F→: https://i.imgur.com/NuzQ7zP_d.jpg05/01 15:36
2F推: 有意思04/30 01:55
2F推: 令u=x-137 就能很容易做因式分解了04/24 17:18
8F推: 是49/4還是49/2?y04/24 17:11
19F推: 估計答案是...9/4?09/04 14:41
20F→: 我的作法用簡單的方式來說09/04 14:42
21F→: 連BC線段 然後用題目給的比例可求AB=509/04 14:43
22F→: 不過這邊的計算有點繁複09/04 14:43
23F→: 有AB=5 就能用園冪性質求DE了09/04 14:44
24F→: 說清楚點就是 AE^2=AB^2+BE^2=AB^2+AE*DE09/04 14:45
25F→: 用這條式子可求DE09/04 14:46
1F推: 我沒實際算過 但我覺得啦 你把第一式寫成R=...09/02 21:00
2F→: 然後帶到第二式去 應該就可以了09/02 21:01
3F推: 好吧 我不知道我在說啥 不要裡我09/02 21:03
4F推: 好方法 推08/08 02:47
4F推: 好玩 http://imgur.com/zQ6b6l208/08 02:45
1F→: 贏一局的意思是只贏一局還是至少贏一局?05/16 01:32