Evil Sudoku: The Riddles of Mathematics. - Brossura

Schoeman, Daniel

Brossura

ISBN 10: 0639805426 ISBN 13: 9780639805429

Casa editrice: ISN Agency, National Library of South Africa, 2019

Riassunto

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.

Dettagli dell'edizione

• Editore: ISN Agency, National Library of South Africa
• Data di pubblicazione: 2019
• Lingua: Inglese
• ISBN 10: 0639805426
• ISBN 13: 9780639805429
• Rilegatura: Copertina flessibile
• Numero di pagine: 60
• Contatto del produttore: Printed by Amazon on behalf of the author; https://www.amazon.it/hz/contact-us; ; c/o Amazon Media EU S.à.r.l., 38 Avenue John F. Kennedy; Luxembourg; L-1855; Lussemburgo