Put your mathematical thinking cap on - because even though these puzzles are tough, they take insight and brainwork to solve, not a knowledge of calculus or linear algebra or any other kind of advanced mathematics. Consider for one moment: * Are there ever 1,000,000 consecutive composite numbers? * If you flip a coin five times, what is the probability that three or more consecutive flips come out at the same time? * If a bunch of positive integers adds up to 20, what is the greatest product of these numbers? If they seem hard, that's because they are! But any maths enthusiast can solve them (and enjoy every minute trying!)
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Vendeur : Wonder Book, Frederick, MD, Etats-Unis
Etat : Good. Good condition. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. N° de réf. du vendeur K05O-01904
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Vendeur : Better World Books, Mishawaka, IN, Etats-Unis
Etat : Very Good. illustrated edition. Former library copy. Pages intact with possible writing/highlighting. Binding strong with minor wear. Dust jackets/supplements may not be included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. N° de réf. du vendeur 12416546-6
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Vendeur : Goodwill Books, Hillsboro, OR, Etats-Unis
Etat : good. Signs of wear and consistent use. N° de réf. du vendeur GICWV.0806958693.G
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Vendeur : ThriftBooks-Dallas, Dallas, TX, Etats-Unis
Paperback. Etat : Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. N° de réf. du vendeur G0806958693I3N00
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Vendeur : ThriftBooks-Dallas, Dallas, TX, Etats-Unis
Paperback. Etat : Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. N° de réf. du vendeur G0806958693I4N00
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Vendeur : Better World Books Ltd, Dunfermline, Royaume-Uni
Etat : Good. illustrated edition. Former library copy. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. N° de réf. du vendeur GRP69263671
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Vendeur : Z-A LLC, Lenore, ID, Etats-Unis
Softcover. Etat : New. 8.2 X 5.2 X 0.3 inches; 96 pages. N° de réf. du vendeur 522795
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Vendeur : GridFreed, San Diego, CA, Etats-Unis
Paperback. Etat : New. In shrink wrap. N° de réf. du vendeur 90-12064
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Vendeur : GridFreed, San Diego, CA, Etats-Unis
Paperback. Etat : New. In shrink wrap. N° de réf. du vendeur 90-24539
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Vendeur : BennettBooksLtd, Los Angeles, CA, Etats-Unis
paperback. Etat : New. In shrink wrap. Looks like an interesting title! N° de réf. du vendeur Q-0806958693
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