May 3 general review edition: red and purple, red is simple, purple is difficult. 2. "Butterfly Notes" Butterfly notes are mainly used for students with weak foundations. The content is detailed and the analysis is clear, which is suitable for students to use in a round of review. It can help students consolidate basic knowledge. 3.37 years college entrance examination mathematics real problem record, pure problem book, the author classification is very good, the difficulty is improved one by one, which makes you feel a sense of accomplishment. The answer is not detailed, but it is very thoughtful.

4. "Butterfly Test Center Must Brush Questions" has complete questions, relatively basic questions and comprehensive summary formula. The whole explanation is detailed, and the answers are divided into volumes, which is more convenient for students to use. 5. "China is solving the finale of mathematics" is the best one to review and use at the end of senior two. Learning mainly depends on self-cognition, without the best information. You feel that your understanding ability is poor now, probably because you haven't found the feeling of learning and haven't adapted to the teacher's teaching style. You can ask for help on this, which shows that you are enterprising, which is more important than anything else. Scientific practice is not just doing problems, but learning to think. Don't copy the notes written by the teacher on the blackboard in class, write down some key points, listen to the teacher's analysis more, and carefully write the notes in the notebook by memory after class.