Sudoku
Contents:
Espaol
El Sudoku es un rompecabezas lgico de colocacin que se ha vuelto extremadamente popular en todo el mundo. Se invent a finales de la dcada de 1970 y se populariz en Japn en la dcada de 1980. Su nombre proviene del japons "su", que significa "nmero", y "doku", que significa "solo". Literalmente, "Sudoku" significa "nmeros solos" o "nmeros nicos".
El objetivo del Sudoku es rellenar una cuadrcula de 9x9 celdas dividida en subcuadrculas de 3x3, utilizando los nmeros del 1 al 9. Las reglas principales son:
- No se debe repetir ningn nmero en una misma fila, columna o subcuadrcula.
- Se proporcionan algunas celdas ya llenas (llamadas "nmeros dados" o "pistas") para ayudar a resolver el rompecabeza.
Adems:
- Un Sudoku bien planteado solo puede tener una solucin nica.
- La construccin de un Sudoku requiere al menos 17 pistas iniciales.
- El Sudoku es una excelente prctica para mejorar la concentracin, la lgica y las habilidades de resolucin de problemas.
English
Sudoku is a logical placement puzzle that has become extremely popular around the world. It was invented in the late 1970s and became popular in Japan in the 1980s. Its name comes from the Japanese "su," meaning "number," and "doku," meaning "alone." Literally, "Sudoku" means "single numbers" or "single numbers."
The objective of the Sudoku is to fill in a 9x9 grid divided into 3x3 sub-grids using the numbers 1 through 9. The main rules are:
- No number should be repeated in the same row, column, or sub-grid.
- Some cells are already filled (called "given numbers" or "clues") to help solve the puzzle.
Plus:
- A well-designed Sudoku can only have one unique solution.
- Constructing a Sudoku requires at least 17 initial clues.
- The Sudoku is an excellent practice for improving concentration, logic, and problem-solving skills.