Killer Sudoku Puzzle Book for Adults: 400 Hard to Very Hard Puzzles 9x9 (Volume1) - Paperback
Killer Sudoku Puzzle Book for Adults: 400 Hard to Very Hard Puzzles 9x9 (Volume1) - Paperback
$21.83
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by Alena Gurin (Author)
The book contains 400 excellent Killer Sudoku puzzles 9x9.
Killer Sudoku is based on the original Sudoku grid, with the same rules and numbers-1 to 9, but with an added mathematical challenge. The only difference is the killer Sudoku: additional numbers are given - the sums of values in groups of cells. The numbers contained in the group cannot be repeated. This variant also called "Sums Sudoku", "Sums Number Place", " Samunamupure ", "Kikagaku Nampure".
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