400 Kakuro 15x15 + 17x17 + 19x19 + 20x20

Practical training for brain energy.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.- 100 sudoku puzzles 15 x 15.- 100 sudoku puzzles 17 x 17.- 100 sudoku puzzles 19 x 19.- 100 sudoku puzzles 20 x 20. + 250 Sudoku expert 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. An exclusive book for free time and studying the mind. I hope you enjoy the book. Best regards, Basford Holmes