看板 NTUMath91 關於我們 聯絡資訊
Pie I wish I could remember pi. "Eureka!," cried the great inventor. Christmas pudding, Christmas pie, is the problem's very center! -- ※ 發信站: 批踢踢實業坊(ptt.csie.ntu.edu.tw) ◆ From: 140.112.250.234