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The Big Book of Logic Puzzles - Calcudoku 400 Normal (Volume 21) Mykola Krylov
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The Big Book of Logic Puzzles - Calcudoku 400 Normal (Volume 21)
Mykola Krylov
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.
| Media | Books Paperback Book (Book with soft cover and glued back) |
| Released | February 28, 2017 |
| ISBN13 | 9781544186634 |
| Publishers | Createspace Independent Publishing Platf |
| Pages | 272 |
| Dimensions | 152 × 229 × 14 mm · 367 g |
| Language | English |
