有趣圖片精選：圓周率3.14與Pie

圓周率等於三點一四嘛

嗯、真的沒有想到啊

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出處網址
http://www.neatorama.com/2009/09/07/why-it’s-called-pi/
Why It’s Called Pi – Neatorama(英文)

http://www.ideaxidea.com/archives/2009/09/pie.html
IDEA*IDEA(日文)

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