Download or read book Difficult Maths Puzzles with Answers: Killer Sudoku 10x10 Puzzles - The Best Japanese Puzzles Collection written by Jeff Heldt and published by Killer Sudoku Puzzle Books. This book was released on 2018-08-24 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Killer Sudoku, sub-regions have specified sums, and no number can be repeated within a region. This variant also called "Sums Sudoku", "Sums Number Place", "Samunamupure", "Kikagaku Nampure". The goal is to fill in the empty cells, one number in each, so that each column, row and region contains the numbers 1 through 8 exactly once. killer sudoku puzzle books - killer sudoku large print - math puzzle books for adults - math puzzle books - math puzzle for adults - mathematical puzzles - mathematical puzzle books - mathematical puzzle books for adults - mathematical puzzles with answers - mathematical puzzle games - mathematical puzzle books - mathematical games and puzzle - mathematical crossword puzzle with answers - mathematical jigsaw puzzle - japanese mathematical puzzle - mathematical logic puzzle - mathematical matrix puzzle - mathematical mind puzzle - mathematical matching puzzle - math puzzles for middle school - math puzzle brain teasers