One of the world's most popular puzzle authors has come up with another collection of super-tricky mathematical brainteasers that are just great either for home or in the classroom. Hours of mind bending, brain-stretching fun awaits the puzzle solver, who can warm up with easy problems before moving on to harder and harder conundrums. Easy problems like this one: Hector can run from the railway station to his house in eight minutes. His younger brother Darius can run the same distance eight times in one hour. Who is the faster? Some of the puzzles present visual patterns to interpret, or play tricks with multiplication and division. Each puzzle will give the brain a good workout and improve your mathematics skills in the most enjoyable way. The answer to the problem (above) is Darius, who takes only 7.5 minutes.
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Vendeur : ThriftBooks-Atlanta, AUSTELL, GA, Etats-Unis
Paperback. Etat : Good. No Jacket. Former library book; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. N° de réf. du vendeur G1402721943I3N10
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Vendeur : Dunaway Books, St. Louis, MO, Etats-Unis
Paper Back. Etat : Very Good. Unmarked copy with slight curl to the book. N° de réf. du vendeur 188535
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Vendeur : Better World Books, Mishawaka, IN, Etats-Unis
Etat : Good. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. N° de réf. du vendeur 2643693-6
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Vendeur : Z-A LLC, Lenore, ID, Etats-Unis
Softcover. Etat : New. 8.0 X 5.4 X 0.5 inches; 352 pages. N° de réf. du vendeur 522798
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Vendeur : AwesomeBooks, Wallingford, Royaume-Uni
Paperback. Etat : Very Good. Mind-stretching Math Puzzles This book is in very good condition and will be shipped within 24 hours of ordering. The cover may have some limited signs of wear but the pages are clean, intact and the spine remains undamaged. This book has clearly been well maintained and looked after thus far. Money back guarantee if you are not satisfied. See all our books here, order more than 1 book and get discounted shipping. N° de réf. du vendeur 7719-9781402721946
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Vendeur : Bahamut Media, Reading, Royaume-Uni
Paperback. Etat : Very Good. This book is in very good condition and will be shipped within 24 hours of ordering. The cover may have some limited signs of wear but the pages are clean, intact and the spine remains undamaged. This book has clearly been well maintained and looked after thus far. Money back guarantee if you are not satisfied. See all our books here, order more than 1 book and get discounted shipping. N° de réf. du vendeur 6545-9781402721946
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