"Ke Shiqing, Wang Meng, Meng Wenhao, Zeng Ziran, Li Tai, the five of you come up and answer these five questions according to the order I call."
Li Zexuan randomly picked a few students. Of course, Li Tai was an exception. He wanted to deliberately make things difficult for this little fatty.
Wang Meng, Meng Wenhao, and Zeng Ziran were shocked. They didn't expect Li Zexuan to remember their names just by listening to their self-introduction once. They couldn't help but be more convinced by this new teacher.
The five of them obediently came to the blackboard, took out chalk, and imitated Li Zexuan's writing on the blackboard, and prepared to answer the questions.
Who knew …
"Clack!"
The five of them had just touched the chalk on the blackboard when the chalk in their hands broke one after another. Kong Yingda and Xu Hongzhi, who were watching from below, felt their hearts ache. To them, chalk was a good teaching material.
It was normal for people who were used to writing with a brush to not control their strength when using chalk for the first time. Li Zexuan didn't scold them. It was just a few pieces of chalk. 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 dumbfounded!
It was a combination of addition, subtraction, multiplication, and division, and the two numbers multiplied by each other were three digits. It was his first time learning this new type of arithmetic. Did it have to be so ruthless?
The little fatty pouted and looked at Li Zexuan bitterly. He was sure that Li Zexuan must have done it on purpose.
But Li Tai wasn't someone who would admit defeat so easily. He gritted his teeth and gave it his all.
Accompanied by the squeaking sound of chalk rubbing against the blackboard, the few of them began to answer the questions. After a while, Ke Shiqing, Wang Meng, Meng Wenhao, and Zeng Ziran finished their calculations. They put down the chalk and returned to their seats.
Only Li Tai was still sweating profusely as he calculated. Li Zexuan smiled and didn't provoke him. He looked at the answers of the other four students first. Slowly, his smile froze on his face.
"Wang Meng, stand up!"
"Er, sir … sir!"
Wang Meng realized that he had miscalculated. He stood up and stammered.
"Who taught you that nine times six equals forty-five?"
"Uh, Si … Sir, it's … it's you … you taught me … Ah!"
Wang Meng asked curiously.
Li Zexuan was furious. "Bullshit! Show me the multiplication table on the blackboard! Let's see what nine times six equals! "
Wang Meng glanced at the multiplication table and felt that he had done nothing wrong. He immediately regained his confidence and confidently said,
"Teacher, look at the multiplication table. It says six, nine, fifty-four. Doesn't that mean six equals forty-five?"
.....
Holy shit, Li Zexuan felt like ten thousand alpacas were galloping through his heart.
The other students in the classroom were silent for a moment, and then they couldn't help but laugh.
Li Zexuan explained the commutative law of multiplication to Wang Meng, and punished him by making him copy the multiplication table ten times. At this time, Li Tai finally finished his problem. Just the calculation steps alone took him more than twenty lines. It was really difficult for him.
The problem wasn't that difficult, but it would take some time to solve. Li Tai wiped the sweat from his forehead, put down the chalk, and glared at Li Zexuan. He turned around and was about to return to his seat.
"Pfft! Hahaha! "
All the students pointed at Li Tai's face and laughed loudly. It turned out that when Li Tai was wiping his sweat, he had accidentally smeared the chalk dust on his face. Instantly, he looked like a little fat pig that had been smeared with white powder.
Li Tai reacted. He quickly wiped his face with his sleeve and awkwardly returned to his seat.
Li Zexuan ignored everyone's laughter. He looked at Li Tai's solution and nodded. Although this little fatty was sometimes arrogant, it was undeniable that he had the right to be arrogant. He learned things faster than others.
"Quiet! What are you laughing at! "
Li Zexuan roared. The students in the classroom immediately quieted down.
Li Zexuan nodded with satisfaction and said, "Other than Wang Meng, the other four students all got it right. They are worthy of praise. Especially Li Tai. His problem was the most difficult, but he still managed to solve it. Everyone, applaud him! "
After that, Li Zexuan took the lead and clapped his hands.
But the other students looked at him strangely and did not applaud. Li Zexuan calmed down and suddenly understood something. In ancient times, there was no such thing as applauding when praising others!
In fact, the origin of applause was said to be in ancient Rome before the Christian era. In a barbarian tribe that was at war with Rome, there was such a habit. When the leader finished speaking or issued a call, the soldiers would tap the weapons in their hands to show their support.
This was much easier and more powerful than the Roman soldiers shouting to "respond to the leader". Therefore, the Roman soldiers gradually learned this method and it eventually evolved into "applause".
In ancient China, there was also "applause". However, it was not to welcome or praise, but to express happiness or anger. There was an idiom that proved that "clap and laugh".
"Ahem, in the future, when a student is praised, we will all applaud and congratulate him. This is the tradition of our School of Mathematics. Do you all hear me?"
If there is no such rule, then I will make the rule, Li Zexuan thought.
Right now, Li Zexuan had absolute authority in this class. Although the students were puzzled, no one raised any objections. They all applauded!
"Clap clap clap clap!"
Loud applause immediately rang out in the classroom.
"Hehe!"
As Li Tai listened, he suddenly felt that the feeling of being applauded by others was quite good. He suddenly felt that Li Zexuan was not so despicable. Then, he could not help but applaud for himself!
Kong Yingda and Xu Hongzhi shook their heads and smiled bitterly. Looking at all the official and private schools in Tang Dynasty, there was no one who taught like Li Zexuan. The entire classroom was in chaos.
Li Zexuan saw that it was about time. He still had to meet Cheng Yaojin, Qin Qiong, and the others for lunch at Zuixian Restaurant.
He said, "Alright, this morning's class is over. In the afternoon, you all can study by yourselves. As for your teaching materials, I will personally pay for them. In the next two days, I will arrange for craftsmen to print them out for you. When the time comes, everyone will get one!"
"Thank you, teacher!"
"Thank you, teacher!"
All the students were grateful from the bottom of their hearts. Although this new teacher had some rules that were a bit ridiculous, he was knowledgeable and generous.
"Pfft!"
However, there was one person who did not think so. That person was Li Tai. When he heard Li Zexuan's words, he almost vomited blood. He had spent 20 strings of coins to buy this teaching material! How could someone give it out for free without spending money?
"Well, Brother Qingque, do you want me to refund the money to you?"
Iron Egg saw Li Tai's gloomy face and could not help but ask tentatively.
Li Tai waved his hand and said gloomily, "No need!"
Li Tai did not have the face to ask for the money that he had given out.
Li Zexuan thought for a while and said, "Oh, right, there is one more question. The question is about the height of the gingko tree to the west of the entrance of the Imperial College. You can give me the answer after you have measured it, or you can write down your measurement method and give it to me.
No matter what, you must hand it in the next class. The one who did the best homework this time will get two extra points for this month's exam. Tomorrow is the seventh day of the New Year, so we will not have classes. In the future, on the seventh, eighth, fourteenth, fifteenth, twenty-first, twenty-second, twenty-eighth, and twenty-ninth of every month, the school will have a break. Okay, class dismissed! "
After saying that, he was about to leave. Li Tai, Lan'er, Iron Egg, Kong Yingda, and Xu Hongzhi hurriedly followed him out.
The rest of the students in the classroom were in an uproar.
"Ah? The gingko tree in front of the Imperial College must be more than ten feet tall, right? How can we measure it? "
"Yes, even the longest ruler is not that long, right?"
"Even if it is that long, we can't go up!"
"According to what the teacher just said, we can have eight days off every month!"
"Isn't this a little too much? What will the students in the other schools think if they know? "
(During the Tang Dynasty, the officials had a break every five days. Li Zexuan had a break of eight days a month.)
"Who cares what they think? With the teacher here, what are we afraid of? "
"That's right, that's right!"
"I say, you guys should think about how to solve the question that the teacher left behind! If you answer it well, you will get extra points for this month's exam! "
"Haha, don't worry, I will go back and ask my father. My father is the secretary of the Ministry of Works. He might know!"
"Wang Meng, you are shameless!"
.....
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