People who are good at math are not born. If you want to learn math well, you must first understand. How will you understand this problem? Second: there are not many questions, as long as they are related to knowledge. Third: if you don't understand carefully, think about not asking teachers or classmates. Only by doing these three points can I learn math well, with a score of 100 and above. The method is for reference only, look at your own heart and your own situation.