If the foundation is poor, we must grasp the foundation. The first round of review should be a complete review of everything. At this time, the key is to master the basic concepts. You can sort out and copy the concepts, axioms, theorems and properties in the book and remember them at any time. This round of review does not require you to master all the chapters and do many questions. What you have to do is to understand the classic questions in each chapter. The first round of review is very important and is the basis of the second round of review. However, at the end of the first round of review, you may find that you have forgotten the last one. This is normal, and you will remember it in the second round of review.
The second round of review, do more questions, do as much as you can, find a sense of touch in the sea of questions, accumulate experience, and check for leaks. Finally, do comprehensive exercises.
There are rules in the college entrance examination papers. When your review comes to an end, you must study the questions of the college entrance examination paper and thoroughly understand each question.
Function and analytic geometry are the key and difficult points, which should be mastered emphatically.