Takahiro Waki
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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Yokosuka, Kanagawa, Japan
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Member for 5 years, 7 months
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141 profile views
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Last seen Dec 5 '19 at 11:11
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- 11 Nested sudoku in entrance exam
- 9 On Ramanujan's curious equality for $\sqrt{2\,(1-3^{-2})(1-7^{-2})(1-11^{-2})\cdots} $
- 6 Number of pairs of rational numbers that satisfy the given relation
- 6 What are some of the big open problems in 3-manifold theory?
- 5 Example of a hexagon inscribed in a circle
- 5 Are there any saltwater rivers on Earth?
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