Download e-book for kindle: A Mathematical Pandora's Box by Brian Bolt

By Brian Bolt

ISBN-10: 0521446198

ISBN-13: 9780521446198

A Mathematical Pandora's field has been written according to the good fortune of Brian Bolt's prior mathematical puzzle books. via his personal adventure, the writer has chanced on a global curiosity in those and comparable puzzles. not just do they stimulate inventive pondering yet they could additionally open up new components of arithmetic to the reader. This booklet includes 142 actions: as well as puzzles, there are video games, methods, types and factors of varied phenomena. they vary from quantity manipulation, via satisfied and amicable numbers, coin puzzles, picnicking bears and pentominoes, to development shapes with cubes. the various puzzles date from hundreds of thousands of years in the past whereas many others are unique, giving everybody anything to consider. there's a exact remark on the finish of the booklet, giving strategies and factors, including the occasional follow-up challenge.

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81 Romantic? From six you take nine And from nine you take ten Then from forty take fifty And six will remain. 45 82 Mustafa's pride and joy! Chief Mustafa's pride and joy were his eleven fine white oxen. After his death, his principal wife made it known that her late husband wanted the oxen shared between his three eldest sons, Yusuf, Raheem and Ibrahim, so that they have \, \ and \ respectively. Not wanting to end up with having to dissect any of the beautiful beasts, they consulted the village oracle.

5) More recently I have been trying to do the same with 1992, and have managed to express 1 to 50 always using a 1, two 9s and a 2, and restricting the mathematical symbols to + , —, x 9 +9 v 5 brackets and decimal points. I challenge you to do the same! 36 61 The square pack Given five identical square pieces of card, how can you make one straight cut which will enable you to rearrange all the resulting pieces into one large square? 62 The hangover! Three student friends Karen, Pete and Lynn held a party in their flat to celebrate the end of their exams.

Since an early age Esther had often set herself the task, on a cold winter's day, of trying to find a route around her abode which passed through each of the internal doorways once only. She is getting very frustrated at her lack of success and would dearly like to know whether or not a route is possible. Can you help her? 32 53 Tic-tac-toe This game comes in many forms but its roots can be traced back to Egypt in 1300 BC, and records of it can be found in China as far back as 500 BC. In this version the board consists of a square, its diagonals, and the lines bisecting its opposite sides.

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A Mathematical Pandora's Box by Brian Bolt

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