fair average

例句：

1. 1.The fair average of the class is 85 points.
   全班的平均分是85分。
2. 2. The fair average of the scores was 70%.
   分数的公平平均是70%。
3. 3. The fair average of the students' grades is 80%.
   学生的考试成绩公平平均是80%。