Half of the students majoring in basic mathematics are recommended for postgraduate studies each year, a quarter choose to go abroad, and after deducting those who choose to work directly after graduation, very few are left to take the postgraduate entrance examination.

Fun fact: Every year, the School of Mathematics at Jiangcheng University has quotas for civilian positions in provincial government departments and the military. Although there is an exam, very few people can apply for those exams.

On the contrary, a lot of people came from Jiangcheng Normal University, which is opposite Jiangcheng University, and Jiangcheng University of Science and Technology, which is not far away.

There are also a small number of students from Jiangcheng University of Science and Technology.

"Teacher, I want to ask how to write this question."

"This is a typical application of Lagrange's Mean Value Theorem..."

"Teacher, how do I solve this problem? I'm stuck at this step."

"This is to find the surface integral through orthogonal transformation."

Zheng Li stood on the podium and said, "Okay, those who are interested in participating in our basic mathematics postgraduate entrance exam tutoring class can scan the code to pay first, and those who are not interested can leave directly."

After everyone had their questions answered patiently and understood each other's capabilities, no one left.

Li Miaomiao went down one by one to scan the QR codes and collect payments, while Zheng Li continued on stage: "Considering that everyone's goal is at least an undergraduate institution, and some students are even aiming for Peking University."

"There are as many as 47 students participating in this course, so I plan to divide them into three classes according to the difficulty of the professional course exams, and provide targeted training."

"It's also possible that you want to apply to Yenching University or Huaguo University of Science and Technology, and then they'll put you in the most difficult class, but you'll find that you can't keep up with the pace and there are many things you can't understand."

"But we group students according to their goals, not according to their learning abilities and levels."

"So please understand, if you can't keep up, you can tell me and I will find some example problems for you to do based on your understanding."

"Our classes are all on weekends, and the teaching assistants will distribute the schedules to everyone."