Evil Sudoku: The Riddles of Mathematics. - Couverture souple

Schoeman, Daniel

Couverture souple

ISBN 10 : 0639805426 ISBN 13 : 9780639805429

Editeur : ISN Agency, National Library of South Africa, 2019

Synopsis

Sudoku is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub-grids that compose the grid contain all of the digits from 1 to 9. You do not have to be great at mathematics, but you will surely increase your memory and concentration powers. Through playing Sudoku you can greatly reduce the chances of developing Alzheimer’s by keeping your brain active. In this edition you will find: A selection of 100 all-new puzzles for users with previous Sudoku experience. Level: Very Hard (Evil). Pages: 60 pages with 2 puzzles per page. Answers: Provided, small text size.

Détails de l'édition

• Éditeur: ISN Agency, National Library of South Africa
• Date d'édition: 2019
• Langue: anglais
• ISBN 10: 0639805426
• ISBN 13: 9780639805429
• Reliure: Broché
• Nombre de pages: 60
• Coordonnées du fabricant: Manufactured by Amazon on behalf of the author; https://www.amazon.fr/hz/contact-us; ; c/o Amazon Media EU S.à.r.l., 38 Avenue John F. Kennedy; Luxembourg; L-1855; Luxembourg