Every row,column and region must contain the dights from 1 to 9.The value in the top left corner of a colored area corresponds to the difference the biggest dight of this area and the small one(s).是什么意思_Every row,column and region must contain the dights from 1 to 9.The value in the top left corner of a colored area corresponds to the difference the biggest dight of this area and the small one(s).在線翻譯_英語_讀音_用法_例句