Puzzles For Brain - Calcudoku 200 Expert Puzzles 5X5

Each puzzle consists of a grid containing blocks surrounded by bold lines. The object is to fill all empty squares so that the numbers 1 to N (where N is the number of rows or columns in the grid) appear exactly once in each row and column and the numbers in each block produce the result shown in the top-left corner of the block according to the math operation appearing on the top of the grid. In CalcuDoku a number may be used more than once in the same block.

• | Author: Alexander Rodriguez
• | Publisher: Createspace Independent Publishing Platform
• | Publication Date: Nov 07, 2018
• | Number of Pages: 116 pages
• | Language: English
• | Binding: Paperback
• | ISBN-10: 1729690483
• | ISBN-13: 9781729690482