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Recreational Mathematics
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Demonstrations 721  740 of 916
Hinged and Translational Dissection of Two Squares to One
Dissection of Three Rhombic Solids into an Icosahedron, a Dodecahedron, and an Icosidodecahedron
FourPiece Dissection of Juel's Pyramid to a Prism
Two Convex Polyhedra with the Same Net
ThreePiece Dissection of a Hill Tetrahedron into a Triangular Prism
Dissection of a Rhombic 210hedron into a Combination of Icosahedron and Truncated Dodecahedron
Gauss Map
Tangram
Hanegraaf's Rectangular Block of Size 2 to a Cube Dissection
Dissection of Three Polyhedra into Two
Lava Lamp
Space Filling with Two Kinds of Polyhedra
Space Filling with Two Kinds of Triacontahedra
Dissection of a Special Rectangular Solid to a Cube
Dissection of Two Rhombic Dodecahedra of the Second Kind
Dissection of a Rhombic Dodecahedron of the Second Kind into a Rectangular Solid
Negligible Senescence Scenario
Decomposition of the Tetrahedron into Four Congruent Symmetrical Parts
Your Favorite Necktie
Conjecture de Beraha pour les cycles (French)
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