题目

Reading newspapers has become an important part of everyday life. Some people read newspapers as the first thing to do in the morning, and others read newspapers as soon as they have free time during the day so that they can learn what is happening in the world. Sometimes, we do not have enough time to read all the news carefully, so we just take a quick look at the front page. At other times, we may in such a hurry that we only have a few minutes to look at the headlines (标题)of the passage。 Newspaper cam be found everywhere in the world, We get many different kinds of the newspapers in 某会议室第一排有9个座位，现有3个人入座，若要求入座的每人左右均有空位，则不同的坐法种数为6060．