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Discrete Mathematics
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Demonstrations 61  80 of 959
Ways to Lace Your Shoes
Block Builder
Cluster Algebras
Cayley Graphs for Weyl Groups
A Family of Generalized Fibonacci and Lucas Numbers
The Disappearing Hyperbolic Squares
Dissecting a Latin Cross into a Greek Cross
A WideTieCrosstoSquare Dissection
Decomposing a Regular Polygon with an Odd Number of Sides into Rhombuses and Triangles
Hanegraaf's Dissection of a Nonagon into a Triangle
Hinged Dissection of One Pentagram into Five Pentagrams
Langford's Dissection of Five Pentagons into One Pentagon
Counting Necklaces
TwistHinged Dissection of Two Attached Squares into One Square
TwistHingeable Dissection of a WideTie Cross to a Square
Dissecting a Trapezoid into a Parallellogram
Hinged Dissection of a Decagon into Two Pentagons and Two Pentagrams
Dissecting a Generalized Greek Cross to a Square
Hinged Dissection of a Cross into a Square
Dissecting One Equilateral Triangle into Seven
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