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School Puzzles and Recreations
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Demonstrations 21 - 40 of 390
Dots and Boxes
Permutations, Derangements, and Other Forbidden Position Problems Using Non-Attacking Rooks
An Exploration of the "6174 Problem" and Some Generalizations
Bulls and Cows
Cube Net
Ten Year Calendar
Dim City
Bed of Nails
Polyhedral Koalas
Knights and Knaves Puzzle Generator
Cube-in-a-Sphere Illusion
The Cram Game
Calendar Calculator
Cumulation
The Colorit Puzzle
Tetrads
When Do the Three Hands of an Analog Clock Overlap?
Abacus
Doubling a Distance with a Compass
26-Piece Dissection of a Cube
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