Ads
related to: simple sudoku puzzles for kids
Search results
Results From The WOW.Com Content Network
Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.
Sudoku. Completely fill the 9x9 grid, using the values 1 through 9 only once in each 3x3 section of the puzzle. By Masque Publishing
A Sudoku puzzle can be expressed as a graph coloring problem. [27] The aim is to construct a 9-coloring of a particular graph, given a partial 9-coloring. The fewest clues possible for a proper Sudoku is 17. [28] Tens of thousands of distinct Sudoku puzzles have only 17 clues. [29]
And, if you prefer your riddles free of math, we have great riddles for kids too. Math puzzles for kids ... 50 Easy Riddles ... 20 Printable Sudoku Puzzles to Test Your Smarts.
A typical Sudoku puzzle. A standard Sudoku contains 81 cells, in a 9×9 grid, and has 9 boxes, each box being the intersection of the first, middle, or last 3 rows, and the first, middle, or last 3 columns. Each cell may contain a number from one to nine, and each number can only occur once in each row, column, and box.
For classical Sudoku, the number of filled grids is 6,670,903,752,021,072,936,960 (6.671 × 10 21), which reduces to 5,472,730,538 essentially different solutions under the validity-preserving transformations. There are 26 possible types of symmetry, but they can only be found in about 0.005% of all filled grids. An ordinary puzzle with a ...