20 19 average score of mathematics in national college entrance examination
109. In 20 19, the average score of the first volume of mathematics in the national college entrance examination was 109, which was in the middle level, that is, it reached the passing score line. 19 The mathematics difficulty of the national college entrance examination is at a medium level, and the difficulty coefficient is not large, so it tends to be basic. The average score is the sum of a set of data divided by the number of data.