数独顾名思义——每个数字只能出现一次。数独是一种源自18世纪末的瑞士，后在美国发展、并在日本得以发扬光大的数字谜题。数独盘面是个九宫，每一宫又分为九个小格。在这八十一格中给出一定的已知数字和解题条件，利用逻辑和推理，在其他的空格上填入1-9的数字。使1-9每个数字在每一行、每一列和每一宫中都只出现一次。 这种游戏全面考验做题者观察能力和推理能力，虽然玩法简单，但数字排列方式却千变万化，所以不少教育者认为数独是训练头脑的绝佳方式-Sudoku As the name suggests- Each number can appear only once. Sudoku is a kind of Switzerland from the late 18th century, after the development in the United States and in Japan the number of puzzles to be carried forward. Sudoku is a Nine-palace disk, each palace is divided into nine small cell. In this cell 81 is known given a certain number of conditions and problem-solving, use of logic and reasoning, in other fill in the spaces on the figures 1-9. 1-9 so that each line in each figure, each column and each of the palace only once. Comprehensive test of this game who do question the ability and reasoning ability to observe, although the play is simple, but with the way the figures are changing, so a lot of education that Sudoku is a great way of training the mind