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bio website duodaa.com
location China
age 23
visits member for 1 year, 10 months
seen Aug 3 '13 at 12:59

"If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is complicate." – John von Neumann

如果一个人不相信数学是简单的,那仅仅只是因为他没有意识到复杂的生活是有多难。 -冯·诺伊曼


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