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If you know the basic theory, you can improve it by doing more exercises.
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Practice more, do more, think more, thinking is very important.
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After a is equal to 2+a b+b a
a/b+b/a≥4
ba²+1/4≥a
There is an equal sign left out here, so it may not be true, choose BC2(A+B) A+B).
So (a +b) 2=2(a +b) 4 (a+b) 4 is the root number.
d1 a +1 b = (a +b ) (a b ) 2 (ab) true if and only if a=b.
2 (ab) + ab 2 2 is true if and only if 2 ab ab.
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Haha, landlord, when I was in elementary school, I wasn't very good at math like you, and I didn't pass it! Later, I was determined to learn mathematics well, and my grades went up, and I took more than 130 in the high school entrance examination. Let's share my learning method with the landlord!
Listen carefully to the class, listen to every word the teacher says, follow the teacher's train of thought, and even go beyond the teacher's line of thought.
Notes are to be taken during class, but instead of copying down all the notes written by the teacher on the blackboard, you should write down what you don't understand well or need special attention, so that you will have room to think about yourself when you review, not just looking at notes, thinking about notes! At your level, you don't just need to read the notes once, you have to read them today, read them again tomorrow, and read them again in a few days, so that you can really digest the notes. It's a good idea to think about how to do it before you look at it.
This is something that our teachers have repeatedly emphasized!!
You must also think about your homework, don't understand it for a while, don't rush to ask others, you can put it down first, do something else, and think about it again, often so that you will make new discoveries!
The most important thing is to find a good reference book (one is enough), preferably one with that kind of divergent thinking. These books are good for opening up one's own thinking.
There is no straight path to learn mathematics, as long as you persevere, you can succeed. I hope the above learning methods will be helpful to the landlord
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Listen carefully in class, take good notes, do more exercises after class, establish your own set of mistakes and typical question banks, and copy good questions or good solution ideas at any time, and read them often. Of course, the connotation and origin of theorems in textbooks must also be understood in order to be used flexibly.
Mathematics can indeed be solved only by the tactics of the sea of questions, and it is natural to be more confident when you see more. You have to know how to make trade-offs, don't do it when you see it, waste time.
That's all, I hope it works for you!
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Do more questions, summarize more, develop the habit of thinking by yourself, and persevere!
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First of all, you have to be interested in it (you can think about things or things in your life if you see them, and whether it has anything to do with mathematics!). )
If you are interested, you must know the basics of books well! Deriving the transformation foundation is the most important.
Then it's the practice of first understanding all the sample questions in the book and asking questions that you don't understand (it's not a shame to ask questions).
Then do some typical problems (play a role in drawing inferences) Don't engage in problem sea tactics Math problems You can't finish the same type of math problem in 10 years (prepare a wrong problem book, and review it in the future as long as you look at the wrong questions).
There is also a test (paper) to see if you really understand everything.
Finally, go back to the basics and imagine the connection between what you have learned and real life.
If you study math, you will do the questions on the test, but in real life, you can't.
That would be a failure.
Studying is not just for exams, but for you to learn how to apply the knowledge points in the book and combine them with practice to solve practical problems.
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Hello! Math is flexible, requiring you to do problems quickly, grasp a condition and solve it along the way. If you want to learn mathematics well in class and listen attentively to the teacher's lectures, you can only expand if you have a solid basic knowledge in the textbook.
Mathematics still needs to do more problems, and you can't just learn and not practice, which will not help. You can go buy some workbooks to do and put pressure on yourself, which is the case for junior high school students.
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It's definitely a must to do more exercises, but don't do it blindly. Each question is done to summarize the solution ideas of this problem to achieve contact bypass. It's important to be good at summarizing.
In class, we should listen to the teacher's lecture carefully, and sometimes we will find out for a long time that he has drawn conclusions based on experience.
I wish you success in your studies.
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What's that, the science questions are all practiced, usually practice more, just do more questions, and don't be sloppy when doing the questions, see clearly and then do it, there is nothing else, that's how I got it.
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Mathematics is not a problem, the important thing is to be attentive, if you don't care, it is easy to make mistakes, pay attention to the lecture in class, remember the teacher's words, be careful when doing the problem, learn mathematics well, rely on yourself!
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This is only about doing more exercises and less looking at the answers.
Understand with your heart, do more questions and think more.
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Listen carefully in class, practice and review in time after class, and will summarize and summarize, master the ideas and methods of problem solving, and remember not to memorize.
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