The Big Book of Logic Puzzles - Calcudoku 400 Hard (Volume 9)

By 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(

• Format: Paperback
• Language: English
• ISBN: 1544139403
• ISBN13: 9781544139401
• Release Date: February 2017
• Publisher: Createspace Independent Publishing Platform
• Length: 272 Pages
• Weight: 0.81 lbs.
• Dimensions: 0.6" x 6.0" x 9.0"