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Recreational Mathematics
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Demonstrations 121  140 of 1030
3D UnitDistance Graphs
EarthMoon Problem
LimitPeriodic Tilings
Loeschian Spheres
Halving a Triangle Perimeter
Pentagon Tilings
3D RepTiles and Irreptiles
Fibonacci Time
Semigraceful Eulerian Graphs
Seven Touching Cylinders Puzzle
WireWorld Gates and Gadgets
Octahedra Constructed from Eight Identical Triangles
The Lucas Magic Square
Tetrads
Hinged Dissections: From Three Squares to One
Visualizing the Collatz Conjecture and Some Variants
Benford's Law and Data Spread
Draining of Two Connected Tanks
Iterating the Collatz Map on Real and Complex Numbers
Koman Variations
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