Robert Fuhrer - Böcker

The puzzles, either 6 x 6 or 9 x 9, look like Killer Sudoku games, but in addition to numbers, players also contend with math operators (+ - x /) within "fences" on the puzzle. Players reach the total at the top left of the fenced area by using the operator on all the numbers within it. Although the solution is a valid Sudoku solution, Kendoku numbers are allowed to be repeated within a fenced area as long as the result doesn't break the rules for a valid Sudoku.

Can’t get enough Kendoku? Kendoku: Volume 2 contains 100 new puzzles that range from mild to mind-bending. Following the footsteps of Sudoku, Kakuro and other number logic games, Kendoku is one more addictive logic puzzles. Using logic together with the four math operations (+ - × ÷), these fascinating puzzles offer endless fun and intellectual entertainment to puzzle fans of all skills and ages.The puzzles, either 6 x 6 or 9 x 9, look like Killer Sudoku games but in addition to numbers, players also contend with math operators (+ - × ÷) within “fences” on the puzzle. Players arrive at the total at the top left of the fenced area by using the operator on all the numbers within the fenced area. Although the solution is a valid Sudoku solution, Kendoku numbers are allowed to be repeated within a fenced area as long as the result doesn't break the rules for a valid Sudoku.

Hot on the heels of the first two volumes, Kendoku: Extreme shows that when it comes to mind-bendingly difficult logic/arithmetic puzzles, too much is never enough! Combining the logic of Sudoku with the math play of KenKen, Kendoku's rules are simple enough: The puzzles, either 6x6 or 9x9, look like Killer Sudoku games but in addition to numbers, players also must contend with math operators (+ - x /) within "fences" on the puzzle. The total at the top left of the fenced area is arrived at by using the operator on all the numbers within the fenced area. The solution is a valid Sudoku solution. But unlike in Killer Sudoku, in Kendoku numbers are allowed to be repeated within a fenced area as long as the result doesn't break the rules for a valid Sudoku.

The perfect storm of math and logic created when KenKen and Sudoku are combined, this book of puzzles at all levels will keep pencils moving and brains bending for hours. Combining the logic of Sudoku with the math play of KenKen, Kendoku's rules are simple enough. The puzzles, either 6x6 or 9x9, look like Killer Sudoku games, but in addition to numbers, players also must contend with math operators (+ - x /) within "fences" on the puzzle. The total at the top left of the fenced area is arrived at by using the operator on all the numbers within the fenced area. The solution is a valid Sudoku solution. But unlike in Killer Sudoku, in Kendoku numbers are allowed to be repeated within a fenced area as long as the result doesn't break the rules for a valid Sudoku. For the serious Sudoku player, Kendoku takes the game to the next level.

Welcome to KENKEN! You may want to cancel your appointments, lock the doors, pull down the shades, and turn off your phone. Because you'll soon discover that KENKEN is very addictive! It's a grid-based numerical puzzle that uses the basic math operations — addition, subtraction, multiplication, and division. Don't worry, you definitely don't need to be a math wiz to enjoy these puzzles! Just as important are your logic and problem-solving skills. You can even think of KENKEN like a game of pool or chess: The more you think ahead to your upcoming moves and consider all the possible outcomes, the better you'll get!KENKEN was developed in 2004 by ... no, not two guys named Ken ... Japanese teacher and puzzlemaster Tetsuya Miyamoto. "Ken" translates to "wisdom" in Japanese, so KENKEN means "wisdom squared." True to its name, the puzzle can actually make you smarter the more you play.

This book will challenge seasoned KenKen players, enhance their solving techniques, and provide hours of fun puzzle play and brain training.NEW RULES ARE INTRODUCED ...... AND A BRAND NEW PUZZLETwist puzzles where instead of using 1 to 6 for a 6 x 6 puzzle as you do in regular KenKen, you'll use a different candidate set each time. In one puzzle, you might use {1, 2, 3, 7, 8, 9}; in another, you might use {2, 4, 6, 7, 8, 9}. Different combinations will present exciting new challenges.No puzzle involves guesswork ... there is always a logical way in!This collection of 6 x 6 puzzles is perfect for any experienced KenKen player ... from beginner to expert!Hours of Fun, Challenges and ultimate Satisfaction!!KenKen is an exciting, mind-expanding puzzle based on 'The Art of Teaching without Teaching', an ingenious teaching philosophy developed by KenKen's creator and renowned educator, Tetsuya Miyamoto.

This book will challenge KenKen puzzle lovers to improve their puzzling, sharpen their logic and reasoning skills, and to just have fun by solving an all-new puzzle-a-day. It is suitable for ALL puzzle lovers, math and logic aficionados, and anyone who enjoys exercising their brain on a regular basis or who is interested in improving their thought processes.You'll find a BRAND NEW, freshly 'Kenerated' KenKen puzzle for every day of the year in this book. That's right — 365 puzzles, ranging in size from 4 x 4 to 9 x 9, and ranging in difficulty from easy to advanced! We're hopeful that you will find time each day to indulge in just one intriguing puzzle.You'll also discover three different types of KenKen puzzles:KenKen, the most enjoyable and fastest growing math and logic puzzle in the world, is based on 'The Art of Teaching without Teaching', an ingenious teaching philosophy developed by KenKen's creator and renowned educator, Tetsuya Miyamoto.Give your brain a treat with these fascinating puzzles ...... STARTING TODAY!

This book will challenge seasoned KenKen players, enhance their solving techniques, and provide hours of fun puzzle play and brain training.NEW RULES ARE INTRODUCED ...... AND A BRAND NEW PUZZLETwist puzzles where instead of using 1 to 6 for a 6 x 6 puzzle as you do in regular KenKen, you'll use a different candidate set each time. In one puzzle, you might use {1, 2, 3, 7, 8, 9}; in another, you might use {2, 4, 6, 7, 8, 9}. Different combinations will present exciting new challenges.No puzzle involves guesswork ... there is always a logical way in!This collection of 6 x 6 puzzles is perfect for any experienced KenKen player ... from beginner to expert!Hours of Fun, Challenges and ultimate Satisfaction!!KenKen is an exciting, mind-expanding puzzle based on 'The Art of Teaching without Teaching', an ingenious teaching philosophy developed by KenKen's creator and renowned educator, Tetsuya Miyamoto.