## The Scientific American book of mathematical puzzles & diversions, Volume 1 |

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### Contents

Hexaflexagons | 1 |

Magic with a Matrix | 15 |

Nine Problems | 23 |

Copyright | |

19 other sections not shown

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### Common terms and phrases

ADDENDUM asymmetric axis binary numbers Brooklyn cards face cell chain CHAPTER chess closed curves color column corner counters cube David Hilbert deck diagonally digits disks draw edges example face-up cards five flexagons flexing folded four Golomb half-twists Hamiltonian path Hempel's paradox hexagon hexahexa hexahexaflexagon hexominoes house number hypercube Klein bottle knotted labeled liar linked Loyd Loyd's machine magic square magician Martin Gardner mathe mathematical mathematician matics memorize minutes mirror image Moebius band monomino move number alphabet odd number paradox pattern pennies pentominoes pieces polyomino position probability problem puzzle readers recreational mathematics rectangle reversed rook rotate Scientific American second player shown in Figure side simple solution solved square tetromino strategy surface Tac Tix tetromino ticktacktoe tion topological torus Tower of Hanoi triangle trick trominoes Tuckerman Tuckerman traverse turn wires words