Difficult. The 20 12 college entrance examination is the most difficult in Shanxi, and the average score of mathematics in the 20 12 college entrance examination is 85. 20 12 Multiple-choice and Fill-in-the-Blank Math Questions in College Entrance Examination belong to the middle, the first three questions are difficult, the last two are easy, the second one is difficult, the second one is medium, the second one is difficult, the parameters are difficult and the inequality is medium. Generally speaking, mathematics in this college entrance examination is a difficult problem for most students, resulting in a low average score of 85.