2. Gauss said that although the language of God is exaggerated in the history of mathematics, it is not unreasonable, which just shows that mathematics has guided and changed people's understanding of the material world. What was the name of Newton's first book? Essentially, it is a mathematical method, not a physical method. Imagine if Newton could work out Newton's Law of Niuer and Law of Conservation of Momentum without calculus. Mathematics is a highly abstract science. For example, some people say that 1+ 1=2 is not suitable for chemistry. In fact, this just reflects his ignorance of mathematics, because 1 in mathematics is a highly abstract generalization, 1 is a set concept, 1+65433. Some people say that a pile of peanuts plus a pile of peanuts is equivalent to a pile of peanuts, which is meaningless in mathematics, because the last pile is different from the previous pile in mathematics, and the elements of the collection have changed; So in this respect, mathematics must be scrutinized;
3. From my own feeling, I have always remembered the differential mean value theorem, partial derivative and other knowledge since I graduated from graduate school. I study automation, and the basic courses in graduate school are almost all practical applications of calculus, matrix, series and so on in higher mathematics. Therefore, I think advanced mathematics is too important. Now I work, but I use it less, but some mathematical methods can still be used in practical work. Therefore, I appreciate your approach-since you have learned it, you should study hard and don't dawdle; Of course, this process may be painful now, but think about it. If you don't study now, you will regret it after graduation, and you will hate less books when you use them. This is a wise saying!
Mathematics is a science with rigorous logical thinking, and a little knowledge of any link will eventually lead to your incomprehension. Although time is tight, have you ever found that learning mathematics is generally "tight first and then loose", that is, if you understand the knowledge in the early stage, you will be suddenly enlightened in the later stage, and the faster you learn. Let me talk about my experience: at the beginning of the postgraduate entrance examination, the content of the top scholar was as long as that of the university. The test is also relatively deep, with a full score of 150, often around 65 (conversion percentage: 43 points). When reviewing, I don't want to read novels, but like you, I just interpret carefully, understand sentence by sentence, and don't use sea tactics. My classmates who took the postgraduate entrance examination at the same time, when they didn't finish learning the basic knowledge of mathematics for the first time, claimed that when I reviewed the basic knowledge, I could read all the math books in one day and write the basic knowledge without reading it. On the contrary, the students who claimed to have watched it two or three times at that time were not as good as me at all, although they watched a lot and did many questions. Later, in the exam, I took the postgraduate entrance examination in Mathematics 132, and they only got more than 70 points. Moreover, in the later math review, I became more and more.
Based on the above knowledge, I talked with you about my feelings and suggestions. I hope you will calm down and practice according to your current practice. As an experienced person, four years in college is very short. I hope you can seize any opportunity to learn. After you really work, you will find that time is the most precious asset in your life!
Finally, I wish you success!