1.输入学生的学号、姓名及各科成绩 2.全班按总分排名 3.全班平均分 各单科平均分 各单科及格人数 4.以学号或姓名查成绩 5.查一科以上不及格的学生名单 6.统计每科成绩大于等于80分并且平均分大于等于90分的学生名单 7.显示所有的学生成绩名单-1. Enter students number, name and subject results 2. 3 ranking in his class by the total score. The entire class average score of the Billing Division Billing Division of the passing of the average number of 4. To learn the names of search results or No. 5. Cha One Section above the list of failing students 6. Statistical results for each subject and 80 points greater than or equal to the average score greater than or equal to 90 points a list of 7 students. display a list of all the student achievement