Average score: 282 /3 =94
English 96 Mathematics 94 Chinese 92
The average score of Chinese mathematics is 93, and that of Chinese English is 94.
(Chinese+English)-(Chinese+Mathematics) = English-Mathematics =2
The average score of Chinese and English is 94, and the average score of English and mathematics is 95.
(Math+English)-(Chinese+English) = Math-Chinese =2
English is 2 points more than math, and math is 2 points more than Chinese.