Math

2020

October

秘書問題(Secretary problem) October 1
ptt-math [其他] 連加的益智題 October 1
試證明存在無窮多個有理數 r 使得根號 r 與根號 r+1 同時是有理數 October 1
ptt-math [分析] 求範圍 October 1
試證明質數有無限多個 October 1
When is sin(x) rational? October 1
圖論兩三事 October 1
看到的一題 October 1
有趣的一題 October 1

September

[解答] 森棚教官數學題－全數出動 September 10

August