You can watch videos, but it's an aid after all. You can look at Tang Jiafeng's tutoring materials.
The last eight sets of questions in the absolute examination room of postgraduate mathematics
Mathematics ii
Math still needs to do more problems.
Develop the good habit of doing the questions carefully and do a good job of collecting the wrong questions. Judging from the analysis of the results of the annual postgraduate entrance examination in mathematics, many students usually look down on their eyes and regret losing points because of carelessness in the examination.
Therefore, students should develop the good habit of doing problems seriously at ordinary times, and suggest that students do a set of wrong questions, so that we can review these wrong questions repeatedly in the future review, which not only saves review time, but also can
It can also improve the quality and efficiency of review.
If necessary, you can write or comment privately. I'll send it to you. You can't put links here.