Mathematics 90 A 580
English 95 A 650
History 95 A 390
Science 135 A 900
The sports score is 270.
Standard total score: 3340/5.4=6 19.
The fluctuation range is 600-640 points.
Suggestion: Try to choose the history of scientific English. One or two subjects you are sure to improve will be improved to A+, which will greatly help you improve your total score. If so, it is not a problem to stabilize above 640!
Finally, I wish you a smooth review, come on!