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New posts in recreational-mathematics
pandigital rational approximations to the golden ratio and the base of the natural logarithm
algebra-precalculus
algorithms
recreational-mathematics
number-systems
golden-ratio
Rubik's cube interesting questions?
combinatorics
group-theory
recreational-mathematics
rubiks-cube
Drawing approximated regular shapes on square grid
geometry
circles
recreational-mathematics
polygons
diophantine-approximation
Solution to Locomotive Problem (Mosteller, Fifty Challenging Problems in Probability)
probability
recreational-mathematics
How to prove the number of solutions to nine dots puzzle
recreational-mathematics
puzzle
Show there is an uncut square lying in a larger square cut by lines
recreational-mathematics
How would you prove that there is only a finite number of these primes?
elementary-number-theory
prime-numbers
recreational-mathematics
experimental-mathematics
How many slices of pizza do we have?
elementary-number-theory
recreational-mathematics
fractions
Proof Involving a Problem from "Good Will Hunting"
graph-theory
recreational-mathematics
Drum exercise BPM do not add up
recreational-mathematics
line of mathematicians guess their own hat color out of c colors
recreational-mathematics
puzzle
$\square\square\times\square =\square\square\square =\square\times\square\square\,\,\,$ fill blanks with distinct numbers from$\{1,2,3,4,5,6,7,8,9\}$
recreational-mathematics
Solving 9 sons puzzle
recreational-mathematics
puzzle
binomial-theorem
Concrete Mathematics - The Josephus Problem
induction
recurrence-relations
recreational-mathematics
Average Scrabble graph structure: diameter?
graph-theory
recreational-mathematics
combinatorial-game-theory
$66$ points in $100$ shots.
probability
probability-distributions
recreational-mathematics
Can you hear the pins fall from bowling game scores?
recreational-mathematics
markov-chains
dimension-theory-analysis
manifolds-with-boundary
inverse-problems
Counting the number of polygons in a figure
combinatorics
graph-theory
recreational-mathematics
Numbers whose powers are almost integers
number-theory
field-theory
recreational-mathematics
exponentiation
Multiples of $999$ have digit sum $\geq 27$
recreational-mathematics
decimal-expansion
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