In a classroom at Beijing University.

This classroom is already full of students, including the aisles.

Nothing else, because this class is Professor Lin's class.

As a star-like scientist, Lin Xiao's classes naturally attract a lot of students.

Although he teaches number theory to sophomores, mathematics students, whether they are freshmen, juniors or seniors, will come to listen to his class, and even graduate students will come.

Especially those first-year students, although they have not officially started studying number theory, they all bought number theory textbooks just to preview before taking Lin Xiao's class.

As students from Shangjing University, and also students from the Department of Mathematics, which is known as the first department of Shangjing University, they are quite capable of taking exams.

Of course, most of them went there because of Lin Xiao's reputation.

Soon, Lin Xiao appeared at the door of the classroom.

Probably because he had just received good news from Luo Ming, he walked into the classroom with a smile on his face. After seeing so many people inside, he shook his head with a smile.

"You all told me not to come with so many people. The classroom is already packed with you."

There were so many people every time, which made him a little helpless. In a normal class, there would only be more than forty people in a class. However, the situation in front of him was not good. There were probably more than a hundred people, which made Lin Xiao very suspicious that the school had taken this class seriously.

The classroom was arranged for him because we anticipated this situation.

After hearing what he said, the students below all laughed, and then some students shouted:

"Of course you can't miss Lin Shen's class!"

"Yep!"

"Lin Shen, let's change to a bigger classroom in the future!"

Of course, in addition to these normal things, there are also some abnormal ones.

"Lin Shen, you are so handsome!"

"Lin Shen, I declare you!"

"Lin Shen..."

…

After all, Lin Xiao is still young, only 21 years old at most, not much different in age from these students, so he usually talks more casually.

Hearing the students shouting more and more outrageously, Lin Xiao shook his head. He had thought about stopping them in the previous classes, but then he was too lazy to say more.

Just at this time, the class bell rang, and then he said: "Okay, get ready for class."

As Lin Xiao announced that class was in session, the students below immediately became quiet.

They didn't want to miss a minute of Lin Shen's class, because they all found that Lin Xiao's class was also very good.

Lin Xiao has always been very serious about his courses, so when preparing lessons, he always thinks carefully about how to make students understand.

Of course, understanding is secondary. The most important thing is how to mobilize students' interest in learning.

Only if students are willing to learn can they improve in mathematics.

Therefore, his method of preparing lessons has always started with how to interest students.

As for how to make students interested, this is a very profound knowledge.

Regarding this, Lin Xiao could only rely on his own feelings, but at least after these few classes, the results were pretty good.

Opening the PPT, Lin Xiao said: "In this class, we will talk about Fermat's Little Theorem."

The PPT has entered the first page, which introduces what Fermat's Little Theorem is.

Lin Xiao does not reject the use of PPT. Through PPT, he can introduce what he wants to talk to students.

Then, he talked about the birth of Fermat's Little Theorem and the process of its proof from the history of mathematics.

History is a story. People who study history probably like their major more than people who study other subjects.

After all, everyone likes to listen to stories, and this is especially true for students.

"Fermat's Little Theorem is still a little less famous than Fermat's Last Theorem. Of course, we will also talk about Fermat's Last Theorem in the future. At that time, I will talk to you about its prover, Andrew Wiles.

What kind of person is he?"

Lin Xiao's words aroused the curiosity of the students. Andrew Wiles is also a big figure in the mathematics world, and it is obviously very interesting for young people like them to learn about these big guys.

Of course, they couldn't help but feel happy in their hearts. This is the benefit of the teacher giving the lecture being a big boss. Because the teacher is a big boss, he will naturally have more connections, so by the way, they will be able to learn more!

Seeing that the students below were all looking forward to it, Lin Xiao smiled and then started his class today.

"Fermat's Little Theorem naturally comes from Fermat, that is, Pierre de Fermat, known as the king of amateur mathematicians. He wrote it in a letter sent to his friend on October 18, 1640.

In this letter, the first statement of this theorem was made."

"Well, we can find that when these mathematicians encounter a problem or make a new discovery, they like to share it with their friends, so I hope that you all will also have this habit, and you will not encounter problems that you would not

When you have questions or interesting discoveries, you must learn to take the initiative to ask and share them.”

The students all nodded thoughtfully, while Lin Xiao smiled and continued to tell the next story.

These stories were all prepared when he was preparing lessons, and he also specifically consulted papers on the history of mathematics.

There are quite a lot of scholars studying the history of mathematics in the mathematics community, especially the history of mathematics related to these famous theorems. There are even more people studying the history of mathematics. At every mathematician conference, the conference will also specially invite relevant scholars to share the history of mathematics.

research on aspects.

Learning from history is not only meaningful for politics, but also for science.

From the birth of the problem to the development of the problem and then to the solution of the problem, people can not only better understand the problem, but also get inspiration from it.

This is also the deep intention of Lin Xiao starting his course with stories from the history of mathematics, not only to interest students.

In this way, his course gradually entered the atmosphere, and the students were immersed in it. Under Lin Xiao's guidance, they also entered a state of immersive learning, ignoring their surroundings and the passage of time.

It wasn't until the recess bell rang that the students present came back to their senses and realized that they all felt a little irritable after class.

Why are you leaving get out of class?

So someone shouted: "Lin Shen, please continue! Don't let the get out of class end!"

"Keep talking! get out of class won't end!"

"We're going to class!"

These students all shouted.

Seeing this, Lin Xiao was helpless and said: "Some students still need to go to the toilet, so they still need to rest."

He glanced at one of the students, at the mineral water bottle next to him that was about to bottom out, and at the brows that frowned from time to time. Lin Xiao estimated that he could no longer hold his nerve any longer.

What surprised him was that the student took the initiative and shouted: "We can bear it!"

"Yes! I can bear it!"

Other students also shouted.

Lin Xiao: "..."

Glancing at the student, he shrugged.

Since you want to challenge the limits of your bladder, then challenge it.

After all, holding something like this in class is something you basically have to experience when you are a student.

He smiled and said, "Okay, let's continue."

The class continued, and his class was still very interesting, making it easy for the students below to get addicted to it.

Until the end of the class, he left seven exercises.

Five of the exercises are related to Fermat's Little Theorem, and the difficulty increases step by step, allowing students to start with simple questions and gradually arouse their interest through continuous solving. As for the other two questions, they are more interesting to them.

A review of past lessons allows his students to keep reviewing the past.

"Okay, these questions will be handed in by the class representative on Sunday this week, and I will check them then."

"The old rule is, you must write it yourself. If you encounter something you don't know, don't copy it. Ask it. As I just said, if you don't know the question, ask others. In addition, if you can think of it when solving the problem,

If you have an ingenious solution and you are the only one in the class, I will also give you a credit reward."

"Of course, it's limited to our classmates in Class 1 of the Mathematics Department of 2020. If more than a hundred of you submit it to me, I won't have time to check."

Lin Xiao said with a smile, and the students below who came over to attend class immediately showed expressions of regret.

However, their classmates in Class 1 of the Mathematics Department immediately became happy and gave proud expressions to other people who came to attend class.

We are Professor Lin’s students!

Our homework can be seen by Professor Lin!

Fortunately, now that they are sophomores, they can still know who their classmates are. Otherwise, looking at so many people, they might not even know who their classmates are.

"Okay, get out of class is over."

As soon as Lin Xiao said it, he saw the student who had probably been holding it back and rushed out of the classroom.

Seeing this scene, Lin Xiao couldn't help but laugh.
To be continued...