The Big Book of Logic Puzzles - Calcudoku 400 Normal (Volume 21) (Big Book of
21,41 €
Calcudoku (also known as "Mathdoku") is a mathematical and logical puzzle loosely similar to Sudoku.It was invented by a Japanese mathematics teacher Tetsuya Miyamoto.The objective is to fill the grid in with the digits 1 through N (where N is the number of rows or columns in the grid) such that: - Each row contains exactly one of each digit.- Each column contains exactly one of each digit.- Each bold-outlined group of cells (block) contains digits which achieve the specified result using the specified mathematical operation: addition (+), subtraction (-), multiplication (×), and division(÷).- Unlike Killer Sudoku, digits may repeat within a block.
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