Calcudoku Puzzle Books - 400 Easy to Master Puzzles 7x7 (Volume 3)

Calcudoku (also known as "Mathdoku") is a mathematical and logical puzzle loosely similar to Sudoku. 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 (

• | Author: Dart Veider, Dmytro Khomiak
• | Publisher: Independently published
• | Publication Date: Sep 12, 2019
• | Number of Pages: 239 pages
• | Language: English
• | Binding: Paperback
• | ISBN-10: 169276215X
• | ISBN-13: 9781692762155