体操比赛计算选手成绩的办法是去掉一个最高分和最低分后再计算平均分，而学校考察一个班级的某科目的考试情况是计算全班同学的平均成绩。-Gymnastics competition the way of the players score is calculated and then remove one of the highest and lowest scores average, and schools to examine a class of a subject examination is to calculate the grade point average for the class.