This original collection includes more than 300 mathematical puzzles by a dozen of the most distinguished names in the field, including software engineer Andrea Gilbert and Bram Cohen, author of the P2P BitTorrent protocol. Seventeen different types of challenges include 3-D puzzles, chess puzzles, geometric and logic puzzles, mazes, visual and word puzzles, sudoku, and more.
"synopsis" may belong to another edition of this title.
Peter and Serhiy Grabarchuk are part of the Grabarchuk Puzzle Family. Over a period of decades they have produced puzzle books, puzzle apps, interactive puzzles, and more.
"About this title" may belong to another edition of this title.
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Paperback. Condition: new. Paperback. Multiplying my age by 6 then subtracting 6 produces the same result as subtracting 7 from my age then multiplying by 7. How old am I? On my broken calculator with keys + - x =, the only functional number is 7. How can I get 34 to appear in the readout? A country mints four denominations of coins, in whole numbers of cents. It takes four of these coins to make 21, or 24, or 25, or 26. What are the denominations of the coins? These and almost 300 other mathematical puzzles appear in this original collection, devised by world-renowned mathematicians, puzzle creators, and devoted puzzle lovers. A unique puzzle project, it unites the efforts of a dozen authors, including software engineer Andrea Gilbert and Bram Cohen, author of the P2P BitTorrent protocol. Seventeen different types of challenges include 3-D puzzles, chess puzzles, connections, dissections, foldings, geometrical puzzles, logic problems, matchstick puzzles, mazes, moving pieces, number puzzles, put-togethers, strimko, sudoku, visual puzzles, weightings, and word puzzles. The difficulty level of each puzzle is marked by stars, ranging from 2 to 5. Average difficulty level is about 3 stars, promising puzzle enthusiasts many entrancing hours of solving and enjoyment. More than 300 original puzzles comprise 17 different types of challenges: 3-D puzzles, chess puzzles, geometric and logic puzzles, mazes, visual and word puzzles, sudoku, and more. Shipping may be from multiple locations in the US or from the UK, depending on stock availability. Seller Inventory # 9780486810041
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