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New posts in recreational-mathematics
Constructing a Möbius strip using a square paper? Is it possible?
general-topology
recreational-mathematics
How to find a volume of this figure (which is $3080 \text{ cm}^3$) in a few seconds?
recreational-mathematics
volume
mental-arithmetic
Is Scrabble's method of determining turn order fair?
probability
recreational-mathematics
Puzzle of gold coins in the bag
probability
combinatorics
soft-question
recreational-mathematics
puzzle
Is the empty set homeomorphic to itself?
general-topology
recreational-mathematics
Can a collection of points be recovered from its multiset of distances?
combinatorics
discrete-mathematics
metric-spaces
recreational-mathematics
Puzzles or short exercises illustrating mathematical problem solving to freshman students
recreational-mathematics
problem-solving
big-list
education
Optimal algorithm for finding the odd sphere with a balance scale
algorithms
recreational-mathematics
puzzle
What is the millionth decimal digit of the $ 10^{10^{10^{10}}} $-th prime?
elementary-number-theory
prime-numbers
discrete-mathematics
recreational-mathematics
Did I derive a new form of the gamma function?
calculus
reference-request
recreational-mathematics
factorial
gamma-function
Quickest general strategy for village meeting
geometry
optimization
recreational-mathematics
Determine the highest order of an element of a Rubik's Cube group
group-theory
functions
recreational-mathematics
rubiks-cube
Proof of recursive formula for "fusible numbers"
elementary-number-theory
recreational-mathematics
Recreational math: If $f(f(x))=e^x$, bound the integral $\int_0^1 f(x)dx$
integration
definite-integrals
recreational-mathematics
functional-equations
upper-lower-bounds
How can I obtain or sample a random Rubiks Cube shuffle?
markov-chains
recreational-mathematics
random-walk
sampling
rubiks-cube
a big number that is obviously prime?
prime-numbers
arithmetic
recreational-mathematics
mental-arithmetic
Dividing a square into equal-area rectangles
combinatorics
geometry
recreational-mathematics
discrete-geometry
tiling
How to find the 3 fastest horses?
algorithms
recreational-mathematics
puzzle
Brute force method of solving the cube: How many moves would it take?
recreational-mathematics
rubiks-cube
Is Mega Millions Positive Expected Value?
probability
recreational-mathematics
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