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

ISBN-13: 9781544139401 / Angielski / Miękka / 2017 / 272 str.

Mykola Krylov

Opis

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 (