The average score of National Unified Examination No.2 for Postgraduate Entrance Examination is 7 1.87. According to the online public information in the query, the difficulty coefficient is 0.479, which is slightly more difficult than that in 2026, slightly less than 5438+0, but it is not obvious that the subjects of the second-round exam for mathematics postgraduate entrance examination are advanced mathematics and linear algebra. Generally speaking, Math 1 is the most difficult, followed by Math 3.