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gandalf61

I like Marmite and Gentleman's Relish on toast. Although not on the same piece of toast.

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33 Is it possible to shorten the solution for this 2014 RMO question? May 14 '18
21 What is the probability that the first head will appear on the even numbered tosses Nov 17 '17
16 Need Help : Proving polynomials are continuous, without circular reasoning Jan 7 '19
15 Find $\prod^\infty_{n=1} (1 - 10^{-3* 2^n})$. Mar 31 '17
14 Is there a name for categories whose objects are sets? Sep 5 '19
11 A quick way, say in a minute, to deduce whether $1037$ is a prime number May 21 '18
10 Say $a=b$. Is “Do the same thing to both sides of an equation, and it still holds” an axiom? Jun 5 '18
10 Can the inverse of this function be expressed in closed form? Jun 27 '18
10 After deleting the multiples of $2$ and multiples of $3$ from list of integers from $1$ to $N$, why are a fifth of the numbers still multiples of 5? Jul 11 '18
10 Degree of the eighth vertex given the other degrees Apr 30 '18
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