Mathematics 123 is different in difficulty. Generally, there are 3 students in the examination of economics and management, and 1 student in science and engineering. As for the third district of ABC, it is the geographical location of the college you took an examination of. The east is the middle of A, and the west is the west of B. The scores are different. Generally, a district has the highest score, but this is not necessarily the case. Even in area c, the score is the same.