In the mid-term exam, Xiaoli scored 94 points in Chinese mathematics, 92 points in mathematical English, 90 points in Chinese English, and how many points in three subjects?
Set Chinese x, math y and English z.
x+y=94*2
y+z=92*2
x+z=90*2
The solution is x=92 y=96 z=88.
That is, 92 points for Chinese, 96 points for mathematics and 88 points for English.