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Top Posts (280) All Questions Answers | Votes Newest

31 How to show $e^{e^{e^{79}}}$ is not an integer Jun 15 '11
31 A very curious rational fraction that converges. What is the value? Jun 21 '16
28 Interesting and unexpected applications of $\pi$ Aug 20 '15
22 how to find the balls? Jun 7 '11
17 How to prove that $k^3+3k^2+2k$ is always divisible by $3$? Feb 4 '16
11 Find all polynomials $P$ such that $P(x^2+1)=P(x)^2+1$ Jan 7 '13
11 Mathematical Invariant Oct 21 '13
10 How are the elementary arithmetics defined? Nov 6 '14
10 Can one deduce whether a given quantity is possible as the area of a triangle when supplied with the length of two of its sides? Aug 27 '14
10 Determine where a point lies in relation to a circle, is my answer right? Jan 10 '17
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