Otaku Engineer in Great Tang Dynasty

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"Ke Shiqing, Wang Meng, Meng Wenhao, Zeng Ziran, Li Tai, come up and do these five questions in the order I named them."

Li Zexuan picked a few students at random, of course, Li Tai was an exception, he wanted to embarrass the little fat man on purpose.

Wang Meng, Meng Wenhao, and Zeng Ziran were shocked. They didn't expect that Li Zexuan could remember their names after just listening to the students' self-introductions, and they couldn't help being more convinced of the new gentleman.

The five people came to the blackboard honestly, took out the chalk, imitated the way Li Zexuan had just written on the blackboard, and prepared to answer the question.

Who knows............

"Clap!"

As soon as the five of them put the chalk on the blackboard, the chalk in their hands broke one after another. Kong Yingda and Xu Hongzhi, who were looking at them, felt distressed for a while. In their opinion, this thing is a good thing for teaching and educating people.

For those who are used to writing with a brush, it is normal for them to use chalk for the first time. It is normal for them not to grasp the strength. Li Zexuan did not scold them. It was just a few pieces of chalk, and he did not feel bad.

Li Tai frowned, he tried a few more times, and finally got used to the strength of the chalk, and when he looked at the question carefully, he was dumbfounded!

It turned out to be a mixed operation of addition, subtraction, multiplication and division, and the two numbers that were multiplied by each other were both three-digit numbers. He only learned this new arithmetic for the first time today. Do you want to be so cruel?

The little fat man pouted and glanced at Li Zexuan resentfully. He was sure that Li Zexuan must have done it on purpose.

But he, Li Tai, is someone who just admits defeat, he gritted his teeth and fought.

With a squeak of chalk and the blackboard rubbing against each other, several people began to answer the questions. After a while, Ke Shiqing, Wang Meng, Meng Wenhao, and Zeng Ziran finished their calculations, put down the chalk, and returned to their seats.

Only Li Tai was still sweating profusely calculating, Li Zexuan smiled and did not go up to stimulate him. He first looked at the answers of the other four students, and slowly his smile solidified on his face.

"Wang Meng, stand up for me!"

"Uh, first... sir!"

Wang Meng realized that he should have made a mistake, stood up tremblingly and stammered.

"Who taught you that nine times six equals forty-five?"

"Uh, first... sir, it's... it's you... you taught... ah!"

Wang Meng said strangely.

Li Zexuan was furious: "Fart, show me the multiplication table on the blackboard! See how much nine times six equals!"

Wang Meng glanced at the multiplication table, and felt that he had not done what he wrote, and he immediately gained confidence, so he said confidently:

"Teacher, look at six nine fifty-four written on the multiplication table. Isn't nine six equal to forty five?"

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

Damn it, ten thousand alpacas were rushing past in Li Zexuan's heart at this moment.

The other students in the classroom were silent for a moment and couldn't help laughing.

Li Zexuan explained the commutative law of multiplication to Wang Meng, who was arrogant, and ordered him to copy the multiplication table upside down ten times. At this time, Li Tai finally finished his problem, and wrote only the calculation steps in more than 20 lines. , it really embarrassed him.

This question is actually not difficult, but it will take some time to solve it. Li Tai wiped the sweat from his forehead, put down the chalk, gave Li Zexuan a hateful look, and turned around to prepare to return to his seat.

"Pfft! Hahaha!"

The students pointed at Li Tai's face and laughed. It turned out that when Li Tai was just wiping off his sweat, he accidentally smeared the chalk dust on his face, and suddenly he was like a little fat pig with white powder.

Li Tai reacted, and hurriedly wiped his face with his sleeves, then awkwardly returned to his seat.

Li Zexuan ignored everyone's laughter. He looked at Li Tai's answer, and then nodded involuntarily. Although this little fat man is arrogant at times, it is undeniable that people do have arrogant capital, and learning something is better than others. quick.

"Quiet! What are you laughing at!"

Li Zexuan roared, and the students in the dormitory immediately quieted down.

Li Zexuan nodded with satisfaction, and then said: "Except Wang Meng, all the other four students got it right, which is worthy of praise. Especially Li Tai, he has the most difficult problem, but he still did it, and everyone applauds him. !"

After speaking, Li Zexuan took the lead in applauding.

But all the students looked at him strangely and did not applaud. Li Zexuan regained his strength and suddenly understood something. In ancient times, praising others seems to have no applause!

In fact, about the origin of applause, it is said that in ancient Rome BC, among a barbarian tribe that was at war with Rome, there was such a habit that when the leader finished speaking or issued a call, the soldiers would tap the weapons in their hands. , make a sound to show support.

This is of course much easier and more powerful than the use of "screams" by Roman soldiers to "respond to the leadership", so that practice was gradually learned by Roman soldiers, and finally evolved into "applause".

In ancient China, there was also "applause", but it did not express welcome and praise, but to express happiness or anger - as evidenced by the idiom clasping and laughing.

"Cough, whoever is praised in the future, we will applaud and congratulate him together. This is a tradition that we will keep unchanged in the future. Have you heard it?"

If there is no such rule, then I will make this rule, Li Zexuan thought.

Now Li Zexuan has the absolute right to speak in this class. Although the students have doubts in their hearts, there is no artificial intelligence.

This objection was raised and applauded!

"Clap clap clap!"

There was a loud applause in the church.

"hey-hey!"

Li Tai listened and listened, and suddenly felt that the feeling of being applauded by others was quite refreshing, and suddenly he felt that Li Zexuan was not so hateful, and then he couldn't help applauding himself!

Kong Yingda and Xu Hongzhi shook their heads and smiled bitterly. Looking at all the official schools and private schools in the Tang Dynasty, there is no one who teaches like Li Zexuan, and the whole school is in chaos.

Seeing that the time was almost up, Li Zexuan asked Cheng Yaojin, Qin Qiong and others to eat at Zuixianlou at noon, and said:

"Okay, this is the end of this morning's class. In the afternoon, you will study by yourself. About your textbooks, I will privately fund them. I will arrange for craftsmen to print and distribute them for you in the past two days. When the time comes, each person will have a copy!"

"Thank you sir!"

"Thank you sir!"

All the students expressed their gratitude from the bottom of their hearts. Although this new gentleman is a bit rude, he is very knowledgeable and generous.

"puff!"

But there is one person who doesn't think so, and that is Li Tai. He almost vomited blood when he heard Li Zexuan's words. It took him twenty books to buy this textbook! Why can someone send it for free without paying for it?

"Uh, brother Qingque, do you want me to refund the money to you?"

Seeing Li Tai's depressed expression, Tie Dan asked tentatively.

Li Tai waved his hand and said gloomily, "No!"

How could he have the face to return the money Li Tai sent out.

Li Zexuan thought for a while, and then said: "Oh, yes, there is another question, the title is the ginkgo tree in the west of the entrance of the Guozijian, how tall is the highest place, you can give me the measured answer, or you can Write down your measurement method and give it to me.

In any case, it must be handed in for the next class. The one who did the best job this month will get two extra points for the monthly exam this month. Tomorrow is the seventh day of the first lunar month. We will not have classes. From now on, on the seventh, eighth, fourteenth, fifteenth, twenty-first, twenty-two, twenty-eighth, and twenty-ninth days of the first lunar month, the math school will be closed. Okay, get out of class is over! "

After saying that, he was about to go out smartly, and Li Tai, Laner, Tie Dan, Kong Yingda, and Xu Hongzhi hurriedly followed.

The rest of the students in the classroom exploded.

"Ah? The ginkgo tree at the entrance of the Guozijian is probably more than ten feet tall? How can you measure it?"

"Yeah, the longest ruler is probably not that long, right?"

"It's so long that I can't go up!"

"According to what Mr. just said, we can take eight days off every month!"

"Will this be too much? What will the students of other academies think?"

(During the Zhenguan period of the Tang Dynasty, officials rested every five days, and Li Zexuan rested eight days a month, which is a bit too much.)

"What does he think? What are we afraid of when there is a gentleman?"

"Extremely great!"

"I said you should think about how to solve the question left by Mr.! This question is well written, but the monthly test will add points!"

"Haha, don't be afraid, I'll go back and ask my father, my father is the director of the Ministry of Engineering, he might know!"

"Wang Meng, you are shameless!"

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