If you are not good at math, you can apply for a 3+ college entrance examination class. It is not difficult to report the knowledge points examined by 3+ college entrance examination mathematics. Candidates can learn as long as they work hard enough. If you are not good at math, you can study hard to improve your foundation and master the knowledge of the exam, so that you can apply for the college entrance examination class. Among the 3+ candidates, "3" is Chinese, mathematics and English, which is a compulsory subject for all candidates, "+"is a professional skill course certificate, and "3+" is the college entrance examination in higher vocational colleges.