Sudoku is a solitaire game of logic in which the player is given a grid of 9 × 9 cells, each of which may contain a number from 1 to 9, or be blank or white, the grid should be considered divided into 9 "UNDERGRATE" calls regions of 3 × 3...英国华人论坛
The Sudoku game has taken the world by storm and in less than a year become the most popular puzzle game, replacing for at least a little while, the famous crossword. Intrigued by this amazing popularity, I picked up a grid and tried it out....英国华人论坛
You many have just heard of KenKen. It's the invention of a Japanese math teacher named Tetsuya Miyamoto, who says, "I believe that if you give children good learning materials, they will think and learn and grow on their own." Imagine tha...英国华人论坛