200 Kakuro 17X17 + 18X18 + 19X19 + 20X20 + 200 Calcudoku Sudoku Hard Levels

200 Kakuro 17X17 + 18X18 + 19X19 + 20X20 + 200 Calcudoku Sudoku Hard Levels Holmes Presents a Collection of Classic Sudoku, Perfect for Daily Training of the Mind. (Plus 250 Sudoku and 250 Puzzles That Can Be Printed). - Kakuro and Calcudoku Classic Sudoku

Paperback (13 Dec 2018)

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Publisher's Synopsis

Good fitness and energy for the brain. KaKuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed.Calcudoku - this is a mathematical and logical puzzle. It is necessary to fill the grid with numbers so that in each line and in each column they are not repeated. The number in the corner of each selected block is the result of an arithmetic operation on the digits in this block. The numbers inside the block can be repeated. The puzzle can be called Square Wisdom, Kendoku..- unique puzzles. + 250 sudokus difficult level that can be downloaded and printed. + 250 maze puzzles that can be downloaded and printed. - only 1 verified solution. - all answers are at the end of the book. - exclusive puzzles. - a link to the surprise is at the end of the book. An excellent book for free time and mind exploration. I hope you enjoy the book. Best regards, Basford Holmes

Book information

ISBN: 9781791668204
Publisher: Independently Published
Imprint: Independently Published
Pub date:
Language: English
Number of pages: 106
Weight: 263g
Height: 280mm
Width: 216mm
Spine width: 6mm