User Takahiro Waki - Seasoned Advice

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Takahiro Waki

Member for 7 years, 4 months
Last seen more than 6 years ago

Yokosuka, Kanagawa, Japan

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About

I straightly say ordinary japanese.I say japanese honest opinion.I always fight with discussions on wikipedia.Also I recommend lang-8.com.I am on active in knowledge sites more than 4.

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Autobiographer

Aug 9, 2017

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Top network posts

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13

Nested sudoku in entrance exam

11

On Ramanujan's curious equality for $\sqrt{2\,(1-3^{-2})(1-7^{-2})(1-11^{-2})\cdots} $

7

What are some of the big open problems in 3-manifold theory?

6

Are there any saltwater rivers on Earth?

6

Number of pairs of rational numbers that satisfy the given relation