In 2006, the average score of mathematics and science in Anhui college entrance examination was 50. Mathematics in Anhui college entrance examination in 2006 was extremely difficult. After the exam, both boys and girls cried outside the examination room. /kloc-only one third of the test paper with a score of 0/50 was tested. A top student in Hefei No.1 Middle School usually gets average grades in mathematics. He never scored 140 in mathematics, but only scored 1 18.