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Mathematics
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MR_BD
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question
207
Counterintuitive examples in probability
Feb 12, 2017
answer
58
How can I easily double any size number in my head?
Dec 27, 2016
answer
41
Visually stunning math concepts which are easy to explain
Jan 2, 2017
question
37
Looking for (overkill) usages of indicator functions
Oct 1, 2023
question
22
What is the limit of $\frac{\prod\mathrm{Odd}}{\prod\mathrm{Even}}?$ Does $\pi$ show up here (again)?
Mar 11, 2016
answer
17
How to explain to my daughter that $\frac {2}{3}$ is greater than $\frac {3}{5}$?
Apr 13, 2017
answer
14
Sum of roots of any equation
Apr 8, 2017
question
12
Why is it true that $\lfloor \sqrt{n}+\sqrt{n+1}\big\rfloor = \big\lfloor \sqrt{n}+\sqrt{n+2}\rfloor$
Jun 5
question
11
Inevitable Zero-Sum numbers in a set
Nov 26, 2014
answer
11
Why doesn't the limit of $\frac{e^{\frac1x}-1}{e^{\frac1x}+1}$ exist?
Apr 13, 2017
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Reduce the required number of posts to edit to earn the Archaeologist badge
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10
Simple proof for $\sum_{i=1}^n a^{\gcd(i,n)} $ is divisible by $n$
8
The set of complements equal to the complement of set
7
How to model a probability distribution to phone call duration?
5
Relationship between Binomial and Beta distributions
5
why this procedure grows asymptotically to $n^2/\pi$