【简答题】To its fans, it is addictive. To the media, it is a promising money-maker. Sudoku, an old puzzle long popular in Japan is fast ga【66】popularity the world over. In Britain, a sudoku book is a bestselle...
【简答题】FUN TIME Are you tired of the puzzles you usually do? Sudoku is a new choice. Sudoku consists of the Japanese characters Su (meaning “number”) and Doku (meaning “single”), but it was not invented in J...