2. You can also organize your notes into categories such as "clever questions and clever solutions", "method comments" and "error-prone questions".
A. When a teacher talks about a concept or formula (mainly referring to basic knowledge), he mainly remembers the background, examples, analysis ideas, key reasoning steps, important conclusions and precautions of the knowledge;
B. if it is a review and comment on a class, the focus is on problem-solving strategies (such as problem-solving methods, thinking analysis, optimal solutions, etc. ) and analyze typical mistakes and their causes, summarize the thinking process and reveal the law of solving problems.
In short, when taking notes, don't fill your notebook, but leave room for reflection and sorting out after class. This can not only improve the efficiency of class, but also facilitate targeted review after class, so as to achieve twice the result with half the effort.