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Top Questions
24
votes
Mathematical Intuition Behind Schizophrenic Numbers?
soft-question
recreational-mathematics
asked Jul 23, 2014 at 5:47
math.stackexchange.com
13
votes
Complex Exponential False "Proof" That All Integers Are $0$
complex-analysis
complex-numbers
fake-proofs
asked Apr 28, 2014 at 1:28
math.stackexchange.com
12
votes
Which Flight Takes Me Home?
math
cryptograms
pattern
asked May 15, 2015 at 9:08
puzzling.stackexchange.com
10
votes
Does there exist some $k$ such that $2^n+k$ is never prime?
number-theory
prime-numbers
asked Mar 12, 2014 at 0:43
math.stackexchange.com
10
votes
Numbers Made From Concatenating Prime Factorizations
number-theory
soft-question
prime-factorization
asked Oct 7, 2014 at 19:09
math.stackexchange.com
9
votes
A Martin Gardner problem about constructing a scoreboard given minimal information
mathematics
asked Aug 4, 2014 at 23:55
puzzling.stackexchange.com
9
votes
A Composition For My Birthday
riddle
pattern
enigmatic-puzzles
asked May 13, 2015 at 9:28
puzzling.stackexchange.com
7
votes
What's Happening on my Vacation?
riddle
cryptograms
enigmatic-puzzles
asked May 14, 2015 at 9:51
puzzling.stackexchange.com
6
votes
Roots of $f(x)=\sin(x)-ax$
trigonometry
roots
asked Dec 14, 2013 at 1:45
math.stackexchange.com
5
votes
Integrating $e^{e^{ix}}$
homework
integration
complex-analysis
asked May 17, 2014 at 18:40
math.stackexchange.com
1
2
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Top Answers
8
Why is 11 times the 7th term of a fibonacci series equal to the sum of 10 terms?
math.stackexchange.com
8
Can a sequence be called convergent/divergent if it has finite number of terms?
math.stackexchange.com
8
Is it possible to create a bigger square using distinct smaller ones?
math.stackexchange.com
7
Is it possible to cover a $70\times70$ square with $24$ squares with side length $1,2,3\ldots24$?
math.stackexchange.com
7
If $x^2+1/x^2=83$, find the value of $x-1/x$
math.stackexchange.com
6
Stars and Bars - Marbles
math.stackexchange.com
6
Trapped in my Cellar
puzzling.stackexchange.com
5
How does $\sqrt {\frac{{4 + \sqrt {15} }}{8}} = \frac{{\sqrt {8 + 2\sqrt {15} } }}{4}$
math.stackexchange.com
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