1, "53 Daily Exercises" is suitable for students with a certain foundation. Focus on basic exercises, suitable for consolidating what the school has learned. The difficulty is not great, and the amount of questions is moderate. However, Learning to Practice Excellence is suitable for students with weak foundation, and some topics are difficult, so it can be used to expand and improve.

2. If you need to consolidate what you have learned in school, you can choose 53 days of practice. If you need to improve and expand, you can choose to study and practice, as the case may be.