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Haoran Chen
  • Member for 4 years, 9 months
  • Last seen more than 1 year ago
  • Suzhou, Jiangsu, China
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Lecturer at Xi'an Jiaotong - Liverpool University

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11
Is MO the place to explore whether a problem has been considered or solved by mathematicians?
Oct 8, 2017
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16
Which way of using parentheses looks better?
10
How many small dots can be drawn in a region such that no three are "collinear"?
8
Knight's tour problem
6
Put R under double integral
6
Definite integral of $x\sin^n x$ from $0$ to $\pi/2$

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