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Historical Mathematics
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Demonstrations 281  300 of 315
Goldbach Conjecture
Angles in a Triangle Total 180 Degrees
Recursion in the Ackermann Function
Sum of Three Triangular Numbers
Prime Gaps
Doubling a Distance with a Compass
Polyhedra, Spheres, and Cylinders
Reverse Collatz Paths
3n+1 Graph
Dichotomy Paradox Joke
A Visual Proof of Nicomachus's Theorem
Fibonacci Mountain Matra Meru
Zeno's Paradox: Achilles and the Tortoise
Distributions of Leading Digits
Mertens Conjecture
Length of a Coiled Rope
IntegerSided Triangles
Heilbronn Triangles in the Unit Square
Mathematics Subject Classification Graphs
Munching Square Thresholds
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