Otaku Engineer in Great Tang Dynasty

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Inside the School of Mathematics.

The students sat upright and listened intently to Li Zexuan's speech. Those with strength will be respected wherever they go. Li Zexuan has won the respect from everyone's heart with his powerful arithmetic ability.

"Hehe, students, in my class, if you have any questions during the lecture, you can raise your hand to interrupt me at any time, and we will discuss any questions together. Don't bury your doubts in your heart because you are embarrassed, Then your problems will pile up."

Seeing that they all looked serious and sat upright, Li Zexuan couldn't help but say a few words to relax them.

When the students heard it, they all felt that this method of class was very novel. In the past, the teacher was teaching at the top, and they listened silently below. If there were any questions, they could only ask the teacher after class.

Li Zexuan continued:

"I don't care how you studied in the past. Since I am here to teach, you will all have to listen to me and study at my pace. From now on, the School of Computing will take a small exam every seven days, a middle school exam every month, and a major exam every six months. , The first place in the monthly test, I will privately fund it, and reward you with a free glorious feast at Zuixianlou. You can bring your family, and you can order any food and drink, but it is not allowed to be wasted.

The last five in the monthly exam will take turns to clean the sanitation of the math hall before the next monthly exam. In two days, I will have someone put up a big sign in front of the school, and the top five in the monthly test will enter the honor roll, and the bottom five will enter the shame list.

As for the first place in the half-year exam, the reward is 100 points. Did you all hear it clearly? "

The students in the classroom were still applauding Li Zexuan's enlightened class system, when they were dumbfounded when they heard this series of reward and punishment systems.

"Ah? The bottom five not only have to clean up, but also enter the shame list?"

"It's so embarrassing, no, you can't be the last five. You will have to fight at night in the future."

"The first place can go to Zuixianlou to eat for free, how much is this worth!"

"Wen Hao, do you want to fight for the first place?"

"Well, I will definitely fight for it. I once told my parents that I will definitely take them to the best restaurant in Chang'an for dinner one day!"

"Okay, I believe you can do it for my brother!"

"Brother Shiqing, isn't this first place in your pocket!"

"You mustn't say that. None of us understand Mr.'s new math. We all start from the same place. Oh, I'm afraid that the one who is most likely to win the first place is Mr. Tie Dan!"

"Well, this is possible, but isn't it fair!"

..........................................

Kong Yingda rubbed his beard and said nothing. In fact, he was thinking to himself: This reward and punishment system is quite novel. Looking back to see how effective it is, if it can promote students' learning, then it can be extended to other colleges in Guozijian.

The reactions of these students were all expected by Li Zexuan. After all, no one wanted to be embarrassed. When they were quieter, Li Zexuan picked up a piece of chalk, squinted his eyes and said with a smile:

"Don't worry, if Tidan ranks first, then the first prize of the month will be automatically extended to the second place. Well, the learning system of the School of Mathematics is almost the same as what you explained. Let's get to know each other first. , according to the order of seating, each person stands up and introduces himself, come, it will start with you."

A thin boy in the first row near the door, saw Li Zexuan pointing at him, his face instantly flushed, and he murmured, "Sir, are you calling me?"

Li Zexuan also saw that the child was a little shy, but the root cause of the shyness was still lack of self-confidence. He smiled gently and encouraged: "Yes, it starts with you, don't be afraid, no matter what the relationship between teachers and students before the school, but from today onwards , We think that everyone in the school is a family, and teachers and students must love each other and help each other. Since it is a family, why don't you dare to come up and introduce yourself?"

The boy hesitated for a while, then finally summoned up the courage to stand up, and said shyly, "Hello, my classmates, I'm Liu Yan, from Jinzhou, Hedong Province."

Li Zexuan stumbled, this name is so "overbearing"!

"Hello sir, hello classmates, I'm Jiang Qingyu, from Jizhou, Hebei Province."

 …

Li Zexuan listened attentively to their self-introductions, and kept their names and faces in his mind. His memory is excellent. After all the students have introduced themselves, he has already established the information of these students in his mind. a database.

"Okay, let's start the class next. In this first class, I will teach you a new type of counting method. Let's look at the ten numbers on the blackboard..."

While writing and drawing on the blackboard, Li Zexuan introduced the Arabic numerals to the students.

The students were attentively watching, listening, and taking notes below. Kong Yingda nodded secretly when he saw this. This method of teaching with a blackboard can indeed make it easier for students to concentrate.

 …

"Hey, Sister Lan'er, can you give me your textbook? I can buy it for ten thousand dollars!"

Look, our Royal Highness Wei Wang is lavish in his shots, and he is ten-pointed when he comes up directly. Unlike Li Chengqian, who was poor before, he asked Laner to buy a copy of "Journey to the West".

It turned out that Li Tai saw that the rest of the people were lowering their heads to take notes from time to time, but Laner and Tie Dan did not take notes. He glanced at their desks and immediately discovered the secret. It turned out that the two had textbooks. So he rolled his eyes, moved to Laner's side, and said in a low voice.

What kind of person is King Wei of him, it doesn't matter if he can solve it with money. But Laner herself is a little rich woman, so she doesn't care about this kind of money.

"If you don't sell it, you're still King Wei, so stingy!"

Laner pouted with a look of disdain.

"Pfft~"

The iron egg next to him quickly covered his mouth, suppressing the laughter that came to his mouth.

Li Tai's face is full of black lines, looking at the civil and military affairs of the dynasty, dare to say that Li Tai is stingy, I am afraid that only Laner is the girl?

"Twenty!"

Li Tai said ruthlessly. He couldn't believe that this girl was not interested in so much money.

Unfortunately, he was still disappointed.

"Not for sale!"

Li Tai's face darkened, he wanted to get angry but saw Li Zexuan who was lecturing above, and he was a little too angry to say anything, so he had to lean over to Tie Dan and said, "Brother Tie Dan, you sold your textbooks to Weiwei. How is your brother?"

Tie Dan thought about it for a while, and felt that it would be a good deal to sell a book for 20 copies. Besides, he heard Master said yesterday that this textbook...

So he nodded to Li Tai and said, "Yes!"

After that, he handed the book to Li Tai.

Li Tai was overjoyed. After he was rejected by Laner, he didn't hold out much hope. He didn't expect that there would be unexpected joy. He excitedly took the textbook and took out a few gold pancakes and put them in the iron egg. On the table, he smiled:

"Okay, Tie Dan, you are loyal enough, Li Tai recognizes you as a brother!"

Tie Dan took the golden pancake, and was secretly delighted that with so much money, he could buy a lot of delicious food for his father and sister to bring back!

 …

"I have explained the new counting method, the new operating symbol, and the four arithmetic rules to you clearly. The following is the multiplication table. You copy it down. You must memorize it today. I will check it tomorrow!"

Li Zexuan wrote the multiplication table on the blackboard and told the students.

While copying, the students sighed that the new-style numbers and new-style operators are so easy to use, which is many times more convenient than using Chinese characters before. Next to him, Xu Hongzhi couldn't help but admire Kong Yingda: "Kong Jijiu, the advantages of Dr. Li's new counting method and new arithmetic symbols are really obvious. It can be called a groundbreaking change in the history of arithmetic."

Although Kong Yingda does not specialize in arithmetic, he also has some research on arithmetic. He heard the words and nodded in agreement: "That's true, your arithmetic institute is afraid that it will officially rise in the future!"

After a while, after they all finished copying, Li Zexuan wrote five addition, subtraction, multiplication and division problems on the blackboard and said, "Now, use the knowledge I just told you to solve these five problems. I asked five people to come up and do it on the blackboard."

…………

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