Otaku Engineer in Great Tang Dynasty

Chapter 158: Interesting facts about the first class

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

Li Zexuan randomly selected a few students, with the exception of Li Tai. He wanted to deliberately embarrass the little fat man.

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

The five people came to the blackboard obediently, took out the chalk, and imitated Li Zexuan's writing on the blackboard just now, preparing to answer the questions.

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

"Crack!"

As soon as the five people put the chalk on the blackboard, the chalk in their hands broke off one after another. Kong Yingda and Xu Hongzhi looked down and felt heartbroken. In their opinion, this thing is a good thing for teaching and educating people.

It's normal for people who are used to writing with brushes to have trouble controlling the strength when using chalk for the first time. Li Zexuan didn't scold them. It was just a few pieces of chalk, so he didn't feel bad.

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

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

The little fat man puffed his mouth and glanced at Li Zexuan with a resentful look. He was sure that Li Zexuan did it on purpose.

But he, Li Tai, was not someone who would give up casually. He gritted his teeth and fought hard.

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

Only Li Tai was still there sweating and 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!"

"Uh, first... sir!"

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

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

"Uh, first... Sir, it was... you... you taught... ah!"

Wang Meng said strangely.

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

Wang Meng took a look at the multiplication table and felt that he had not done what he had written. He immediately felt confident, so he said confidently:

"Teacher, look at the multiplication table that says six, nine and fifty-four. Doesn't that mean nine-six is equal to forty-five?"

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

Damn it, Li Zexuan has ten thousand alpacas running through his 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 the tough-minded Wang Meng, and punished him to copy the multiplication table ten times upside down. At this time, Li Tai finally finished his calculation, and wrote more than twenty lines of calculation steps alone. , which really embarrassed him.

This question is not actually difficult, it just takes some time to solve. Li Tai wiped the sweat from his forehead, put down the chalk, glanced at Li Zexuan hatefully, and turned around to return to his seat.

"Pfft! Hahaha!"

The students pointed at Li Tai's face and laughed. It turned out that when Li Tai wiped his sweat, he accidentally smeared chalk dust on his face, and he immediately looked like a fat pig with a wiped penis.

Li Tai reacted and quickly wiped his face with his sleeve while awkwardly ducking back to his seat.

Li Zexuan ignored everyone's laughter. He looked at Li Tai's answer and nodded involuntarily. Although this little fat man was sometimes arrogant, it was undeniable that he did have the capital to be arrogant. He learned things better than others. quick.

"Quiet! Why are you laughing?"

Li Zexuan roared, and the students in the classroom immediately fell silent.

Li Zexuan nodded with satisfaction, and then said: "Except for Wang Meng, the other four students all got it right, which is worthy of praise. Especially Li Tai, he had the most difficult question, but he still did it. Everyone applauded him !”

After speaking, Li Zexuan took the lead in applauding.

But all the students looked at him strangely and did not clap along with him. Li Zexuan regained his composure and suddenly understood something. In ancient times, there was a saying that when you praise others, you don't applaud!

In fact, as for the origin of applause, it is said that in ancient Rome BC, among a barbarian tribe at war with Rome, there was a habit that when the leader finished speaking or issued a call, the soldiers would bang their weapons. , making noises to show support.

This was of course much easier and more powerful than the Roman soldiers using "shouting" to "respond to the leadership", so this practice was gradually learned by the Roman soldiers and eventually evolved into "applause".

There was also "applause" in ancient China, but it didn't mean welcome or praise, but meant happiness or anger - as evidenced by the idiom "clap your hands and laugh."

"Ahem, in the future, when any student is praised, we will applaud together to congratulate him. This is the tradition that our Mathematical School will retain in the future. Do you all hear 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 were confused, no one raised any objections and applauded one after another!

"Snap, snap, snap!"

Loud applause suddenly erupted in the teaching building.

"hey-hey!"

As Li Tai listened, he suddenly felt that it was quite refreshing to be applauded by others. He suddenly felt that Li Zexuan was not so hateful, and then he couldn't help but applaud himself!

Kong Yingda and Xu Hongzhi shook their heads and smiled bitterly. Looking at all the official private schools in the Tang Dynasty, none of them taught like Li Zexuan. The whole teaching building was in chaos.

Li Zexuan saw that the time was almost up and he had made an appointment with Cheng Yaojin, Qin Qiong and others to have dinner at Zuixian Tower at noon, so he said:

"Okay, this morning's class is over. You will study by yourself in the afternoon. Regarding your teaching materials, I will personally fund them. I will arrange for craftsmen to print and distribute them to you in the next two days. Then each of you will have one copy!"

"Thank you sir!"

"Thank you sir!"

All the students expressed their gratitude from the bottom of their hearts. Although the new gentleman was a bit cunning in his rules, he was certainly knowledgeable and generous.

"puff!"

But there was one person who didn't think so, and that was Li Tai. He almost vomited blood when he heard Li Zexuan's words. He spent twenty guan to buy this textbook! Why can others send it for free without paying any money

"Um, brother Qingque, how about I return the money to you?"

Seeing Li Tai's depressed look, Tiedan couldn't help but ask tentatively.

Li Tai waved his hand and said depressedly: "No need!"

How could he, Li Tai, have the nerve to get back the money he gave away

Li Zexuan thought for a while and then said: "Oh, by the way, there is another question. The question is about the ginkgo tree west of the entrance to the Imperial College. How high is the highest point? You can give me the measured answer, or you can give it to me. Write down your measurement methods and give them to me.

No matter what, you must hand it in next time. The one who does the best job this time will get two extra points in this month’s monthly exam. Tomorrow is the seventh day of the lunar month, so we will not have classes. From now on, the math school will be closed on the seventh, eighth, fourteenth, fifteenth, twenty-first, twenty-second, twenty-eighth and twenty-ninth days of every month. Okay, get out of class is over! "

After that, he was about to go out in style. Li Tai, Lan'er, Tiedan, Kong Yingda and Xu Hongzhi quickly followed him.

The other students in the classroom exploded.

"Ah? The ginkgo tree in front of the Imperial Academy is probably more than ten feet high, right? How to measure it?"

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

“It’s so long and you can’t go up!”

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

"Is this too much? What will students from other schools think if they find out?"

(During the Zhenguan period of the Tang Dynasty, officials were allowed to take a break every five days. Li Zexuan’s eight days of rest a month was too much.)

"No matter what he thinks? What should we be afraid of when Mr. is here?"

"Yes, yes!"

"I say you should think carefully about how to solve the question that Mr. left! If you write this question well, you will get extra points in the monthly exam!"

"Haha, don't be afraid. I'll go back and ask my dad. My dad is the secretary of the Ministry of Industry. He might know!"

"Wang Meng, you are shameless!"

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

Thank you to Dream Xiaoyao Sword for rewarding me again and again. Thank you Jiuzhongxian, Chen, and Jianzhi for your monthly votes!

(End of chapter)