Shu Du Kua Practice Book-(1)

Author: Cao Hongwei
Publisher:
Publish Date: 2007-01-01
Features: Dr. Cao explains how to use "four-digit codes" (four numbers and symbols) to describe each step of Sudoku puzzle-solving in terms of position, logic, and the number to be filled. This transforms traditional Sudoku into a more methodical, organized, and evidence-based game, highlighting logic and decision-making. Additionally, it allows for creating puzzles tailored to the objective difficulty of the solving method, providing readers with brain-training exercises. With this enriching content, Sudoku gains a new face, making it enjoyable to play and logical to learn. Dr. Cao has given it a Chinese name—Sudoku Koo!! Cao Hongwei and Guo Ba yi's book, "Sudoku Koo Practice Book!", focuses on the application of X-solving methods, offering readers a chance to sharpen their skills and expand their minds. You can set sail and swiftly reach a boundless, open world where doors are wide open for you to explore with infinite ease.