Total score of Chinese and English: 84×2= 168 (points)

Total score of mathematics and English: 90×2= 180 (points)

Chinese, Mathematics and English: (170+168+180) ÷ 2 = 259 (points)

Language: 259- 180=79 (points) Mathematics: 259- 168=9 1 (points)

English: 259- 170=89 (points)