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| • #跟帖# in both case, alpha = [腦筋急轉] - longsky(366 bytes ) 2024-04-12 | |
| • #跟帖# 稍微改一下就好了吧？f(x)=0 for all irrational x, =1 for the rest; then [腦筋急轉] - longsky(21 bytes ) 2024-03-21 | |
| • #跟帖# 無解 [腦筋急轉] - longsky(0 bytes ) 2023-11-02 | |
| • #跟帖# check here. [腦筋急轉] - longsky(228 bytes ) 2016-11-07 | |
| • #跟帖# 如果可以用計算器，三角函數可解；否則太麻煩。 [腦筋急轉] - longsky(0 bytes ) 2016-09-02 | |
| • #跟帖# 證明 EFDG 以DE對稱，則 X=30 角BDE=80 [腦筋急轉] - longsky(82 bytes ) 2016-09-01 | |
| • #跟帖# 1/16 [腦筋急轉] - longsky(0 bytes ) 2014-01-22 | |
| • #跟帖# 回複：小學生數學題 17 [腦筋急轉] - longsky(259 bytes ) 2013-11-13 | |
| • #跟帖# 想看答案就進來 [腦筋急轉] - longsky(90 bytes ) 2013-11-11 | |
| • #跟帖# 高。四點公園，角AOE=角HBF；HF=R*sin( [腦筋急轉] - longsky(0 bytes ) 2013-11-07 | |
| • #跟帖# 三角答案 [腦筋急轉] - longsky(625 bytes ) 2013-11-07 | |
| • #跟帖# 5. abc 正三角，d is outside abc. ad=ab=bc=ac, bd=cd [腦筋急轉] - longsky(0 bytes ) 2010-04-08 | |
| • #跟帖# 回複：一平 麵 4個點 幾何形狀 [腦筋急轉] - longsky(165 bytes ) 2010-04-08 | |
| • #跟帖# explain the "70" [腦筋急轉] - longsky(491 bytes ) 2010-01-18 | |
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