有两种解决方法
1)您可以通过在db中编写一个用户定义函数，然后将其放在动态表中，然后将该表设置为报告文件的源，来为每个学生计算数据.

2)按学生ID提取报告使用组中的所有数据，然后使用公式进行计算.


问候
费萨尔

There are two ways for that
1) you can calculate the data for each student by writing a user define function in db and then put it in a dynamic table and then set the table as the source of your report file.

2)Take all data in report use group by student id and calculate it using formula to calculate.


Regards
Faisal