22 college entrance examination. 2 1 college entrance examination The 22-year college entrance examination should be 22, which is more difficult than 2 1 college entrance examination. There is little difference among all the papers, and the key difference is mainly mathematics. Mathematics in college entrance examination is a difficult year for decades, and the average score of mathematics in college entrance examination is estimated to be about 20 points lower than in previous years. Both the highest score and the average score this year are weaker than 202 1 year.