You bet!

來源: 北京二號 於 2015-03-16 21:22:45 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (71 bytes)
回答: Oh, this year's Pi Day is so speical. 由 婉蕠 於 2015-03-16 14:15:13

Dear 婉蕠， I am not so good at math. I am just fond of numbers. :-)

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