What is the average score of liberal arts mathematics in Tianjin in recent ten years? How will the difficulty of 20 14 change compared with 20 13?
The average scores of mathematics (literature and history) in Tianjin College Entrance Examination in recent six years are: 79.43 in 2008, 79.3 1 in 2009, 77.33 10 in 2002, and 81.54 in 2002. So the average score is about 80.84.