Science 74.2 1. Liberal arts 62.79. According to the relevant data of Guangzhou Education Bureau, the average score of Guangdong college entrance examination mathematics in 20 19 years is: science 74.5438+0; Liberal arts 62.79. Compared with 20 18, the average score is estimated to be 4 points lower. On the 20 18 college entrance examination, the average score of mathematics in Guangdong Province was 78 in science and 66 in liberal arts. On 20 17, the average score of mathematics in Guangdong Province was 73.43 in science and 57.34 in liberal arts.