In the teaching process, Tianjin University pays attention to the leading role of teachers and the main role of students, and pays attention to guiding students to analyze, solve and summarize problems, so that students can form their own thinking mode. In dealing with exercises, students should pay attention to the way of practicing first and then evaluating by teachers, so as to effectively improve students' problem-solving ability. Patiently explain the knowledge points that students easily confuse, and pay attention to the implementation of the foundation.

/? K = learning big auxiliary road