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New posts in recreational-mathematics
Deriving the surface area of a sphere from the volume
calculus
recreational-mathematics
puzzle
surfaces
volume
Making the water gallon brainteaser rigorous
modular-arithmetic
recreational-mathematics
Largest Numerator of Sum of Egyptian Fractions
number-theory
recreational-mathematics
fractions
Reference Request: what are some books on mathematics you can read without pencil and paper
reference-request
soft-question
recreational-mathematics
Best strategy to find a parking spot
probability
recreational-mathematics
puzzle
decision-theory
Area of a mushroom-shaped curve
integration
definite-integrals
recreational-mathematics
"Liar functions": is this a known concept?
recreational-mathematics
Do the differences of perfect squares apply to perfect cubes and more?
recreational-mathematics
pattern-recognition
A functional relation which is satisfied by $\cos x$ and $\sin x$
calculus
analysis
recreational-mathematics
contest-math
functional-equations
Tiling the unit square with right triangles
geometry
euclidean-geometry
recreational-mathematics
discrete-geometry
packing-problem
"8 Dice arranged as a Cube" Face-Sum Equals 14 Problem
combinatorics
reference-request
puzzle
recreational-mathematics
dice
When is a Sudoku like table solvable
combinatorics
contest-math
recreational-mathematics
latin-square
Is there a sudoku (Latin Square Pattern) state in a Rubik's cube $6\times6\times6?$
recreational-mathematics
latin-square
rubiks-cube
sudoku
Optimal strategy for river crossing game
optimization
recreational-mathematics
combinatorial-game-theory
How Many Clock Hand Positions Swap to a Valid Position?
recreational-mathematics
Optimal Strategy for Deal or No Deal
probability
recreational-mathematics
How to win Matt Parker's jackpot - finding the median of the following distribution
combinatorics
statistics
probability-distributions
recreational-mathematics
median
Minimum steps adding edges to form a complete graph
combinatorics
graph-theory
recreational-mathematics
Three piles, can only move stones if doubles a pile. Prove we can always empty a pile.
contest-math
recreational-mathematics
Zombie Survival: What is the optimal way to place seven entities on an infinite grid to reduce number of adjacent pairs?
recreational-mathematics
problem-solving
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