Chen Jian is a man who got 75 points in mathematics. Chen Jian, Dr. Tsinghua University, an analyst of mathematics examination syllabus, was awarded an influential figure in the education industry by Yangguang. com in 2020. Engaged in mathematics postgraduate counseling for 20 years, founder of standardized counseling system, top ten classic works of Yu Ben, with a cumulative reader of about 4 million.