Cross numbers are the mathematical equivalents of crossword puzzles. The earlier puzzles in the book only require simple arithmetic and basic knowledge, but, as the sequence continues, so the level of difficulty increases. The later ones also demand some enjoyable logical reasoning to tease out the solutions. For the final puzzles, access to a calculator would be helpful and some would say essential. Anyone who enjoys arithmetic and likes to search for patterns and relationships between numbers will find much to please them in this book.
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Vendeur : WeBuyBooks, Rossendale, LANCS, Royaume-Uni
Etat : Like New. Most items will be dispatched the same or the next working day. An apparently unread copy in perfect condition. Dust cover is intact with no nicks or tears. Spine has no signs of creasing. Pages are clean and not marred by notes or folds of any kind. N° de réf. du vendeur wbs5136530207
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Paperback. Etat : Very Good. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged. N° de réf. du vendeur GOR001383123
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Etat : Very Good. 1747427705. 5/16/2025 8:35:05 PM. N° de réf. du vendeur U9780906212950
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Vendeur : GreatBookPrices, Columbia, MD, Etats-Unis
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Vendeur : BargainBookStores, Grand Rapids, MI, Etats-Unis
Paperback or Softback. Etat : New. Cross Numbers: A Collection of 32 Blackline Mathematical Puzzles. Book. N° de réf. du vendeur BBS-9780906212950
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Vendeur : GreatBookPrices, Columbia, MD, Etats-Unis
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Vendeur : medimops, Berlin, Allemagne
Etat : very good. Gut/Very good: Buch bzw. Schutzumschlag mit wenigen Gebrauchsspuren an Einband, Schutzumschlag oder Seiten. / Describes a book or dust jacket that does show some signs of wear on either the binding, dust jacket or pages. N° de réf. du vendeur M00906212952-V
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Etat : New. N° de réf. du vendeur I-9780906212950
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Vendeur : Rarewaves.com USA, London, LONDO, Royaume-Uni
Paperback. Etat : New. Cross-numbers are the mathematical equivalent of crossword puzzles. The earlier puzzles in this book only require simple arithmetic and basic knowledge, but, as the sequence continues, so the level of difficulty increases. The later ones also demand some enjoyable logical reasoning to tease out the solutions. For the final puzzles, access to a calculator would be helpful and some would say essential. Anyone who enjoys arithmetic and likes to search for patterns and relations between numbers will find much to please them in this book. N° de réf. du vendeur LU-9780906212950
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