Ge Jun. 20 12 Guangxi Mathematics is a national three-volume. It was written by Ge Jun, Ge Jun,1born in June 1964, from Rudong County, Nantong City, Jiangsu Province. Doctor of Education, Adjunct Professor and Master Supervisor of Nanjing Normal University. Core member of the new curriculum standard senior high school mathematics textbook writing group, senior coach of China Mathematical Olympics. He is currently the president of high school affiliated to nanjing normal university, and has participated in the proposition of mathematics test paper in college entrance examination for many times. Taking part in the national unified examination of mathematics in colleges and universities in 2004, 2007, 2008, 20/kloc-0, 20 12, he was called the emperor of mathematics because of the difficulty of the examination questions.