Otaku Engineer in Great Tang Dynasty

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(Little Fatty in the first lesson!)

With a roar of laughter, Li Tai, a little fat man dressed in fancy clothes, walked in with a smile.

Kong Yingda and Xu Hongzhi, who were near the door, quickly stood up and cupped their hands: "I have seen His Royal Highness King Wei!"

Li Zexuan was also surprised, and said to Li Tai, "I have seen His Royal Highness King Wei!"

The rest of the students looked at Li Tai in surprise, and were about to stand up and salute when they saw Li Tai smiling and waving his hands: "No need to be too polite, this king came to Guozijian today to listen to a class, and I will also be a student of the School of Computing from now on. We will all be classmates from now on!"

"Buzz..."

The students in the classroom couldn't help but talk about it, and the buzzing sound was incessant.

"God, His Royal Highness King Wei is actually a classmate with us in the future, am I right?"

"It's incredible!"

"Our new gentleman is so powerful that he has attracted His Royal Highness King Wei!"

"I've decided. I'll stay in the School of Mathematics in the future. With such a powerful gentleman, and His Royal Highness King Wei as a classmate, what am I going to do in the Simen School?"

"Brother Meng is absolutely right!"

 …

As the so-called "learning martial arts, goods and emperor's family", these scholars study hard, is it not that they can finally be appreciated by the emperor, and they will leap over the dragon's gate in one day? Now that there is a King Wei, who is the most favored by His Majesty, in the school of arithmetic, why do they have to leave?

When Kong Yingda heard that Li Tai was going to study in the School of Mathematics, he couldn't help being shocked, and quickly dissuaded him: "Your Highness, this is absolutely impossible!"

Li Tai said with a smile: "Kong Jijiu, my father has already agreed to this matter, and I will be a student of the math school in the future."

Kong Yingda shook her head helplessly and stepped aside.

Li Tai looked at Li Zexuan again and said, "After the farewell of Qiqu Pavilion that day, Brother Li was first knighted, and then appointed by my father as the doctor of the State Child Supervisor. Are you willing to accept Xiao Wang as a student?"

Li Zexuan heard that Li Tai was going to be a student at the Math Academy. Although his face was calm, he felt a little strange in his heart. He didn't know what this little fat man was going to do again. Could it be that he hasn't been abused enough by himself last time? Want to come over and find a place back?

Haha, come on, come on, he's not afraid of this little fat man.

"His Royal Highness said that, as the saying goes, there is no distinction between teaching It's gone!"

This little fat man has to be vaccinated. If he comes over and puts on the air with everyone, how can I teach myself, and how can other students learn?

Li Tai understood the meaning of Li Zexuan's words. He smiled and said, "Of course, from now on, this is a school. The teacher and the classmates can directly call me Qingque, and I will not put on the air of the prince."

The last time he was in front of the Trolley Pavilion, he was speechless by Li Zexuan's ten consecutive questions. Li Tai had already regarded this as a lifelong shame. , how could he be willing to lose to Li Zexuan, an unknown boy who was not known before.

Yesterday, he heard that Li Zexuan was going to be a postdoctoral fellow in arithmetic, and he thought, why not learn the knowledge from Li Zexuan, and then use these knowledge to defeat him head-on, wouldn't it be more fun?

Therefore, Li Taicai asked Li Er to enter the School of Mathematics to study. Li Er has always been fond of this child, and since this is not a big deal, he naturally agrees.

Hearing Li Tai's assurance, Li Zexuan nodded and said, "Qing Que, find a seat by yourself and sit down!"

Li Tai looked around, and finally sat between Tie Dan and Laner under the disappointed expressions of some students.

Next to Kong Yingda and Xu Hongzhi, their eyes widened in disbelief. King Wei was stubborn, and all the civil and military people of the dynasty knew that Li Zexuan was not angry when he spoke to him in such a commanding tone. Is this an illusion?

After Li Tai sat down, Li Zexuan looked at him and asked, "Qing Que, you said you had a problem before, now say it!"

Li Tai looked like a good baby, got up and cupped his hands and said: "Mr. Hui, the student's question is: today there are two people standing together. Line A leads seven, line B leads three, line B travels east, travels south for ten steps and leans northeast. Meet with B, and ask A and B how many lines are?"

After all, Li Tai's mouth evoked a wicked smile. This question was a very rare problem that he asked several scholars in the Wei Wangfu Literature Museum to find. He wrote it down and wanted to find a chance to attack today. Yes, I didn't expect Li Zexuan to take the initiative to give him the opportunity to ask questions.

"Wow!"

In the classroom, except for Li Zexuan and Li Tai, everyone else was in an uproar when they heard this question.

"This question is so difficult. Where did His Royal Highness King Wei collect such a difficult question?"

"I don't know, Brother Ke, do you know?"

"It should be from the Pythagorean chapter of "Nine Chapters of Arithmetic". I have seen it before, but it is too difficult to solve."

"Hey~ it turned out to be the most difficult Pythagorean seal. Now Mr. Li is afraid that there is more luck than luck."

"Yeah, the situation is not good!"

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

Li Zexuan inherited the memory of his predecessor, and he can still understand the simple ancient text. The translation of this question is: It is known that A and B start from the same place at the same time, A's speed is seven, B's speed is three, and B keeps going Going east, A first takes ten steps to the south, then walks diagonally to the north-east direction for a while, and then meets B. How far did A and B go?

?

Hearing this question, he was really a little surprised in his heart, this little fat man is indeed a bad person today. To solve this problem, you must use the Pythagorean theorem and the quadratic equation in one variable. If you change someone, you will definitely be stumped. But how could Li Zexuan be stumped by this junior high school math?

But what Li Zexuan didn't expect was that the ancients had already learned the Pythagorean theorem, which his former math teacher didn't tell him. It seems that the wisdom of the ancients cannot be underestimated at any time!

In fact, the Pythagorean theorem was recorded in detail in "Nine Chapters of Arithmetic", but it was mainly used in astronomy at that time.

In the "Nine Chapters of Arithmetic" Pythagorean chapter, the Pythagorean theorem and its deformation were first discussed at the beginning. Multiply it by itself, multiply it by the diminished chord, and divide it by the remaining squares, that is, tick. It is also multiplied by itself, and multiplied by itself by reducing the string, and the remaining squares are divided by it, that is, shares.

Therefore, the Pythagorean technique can be understood as a method of deriving the third side from the two sides of a known right triangle.

Li Zexuan quickly listed the equation in his mind and solved it, and he got the answer in a few breaths. This is the benefit of strong mental power, which makes his brain respond as quickly as a computer.

"Hehe, Qingque is a very good question. Some of you may find this problem difficult, but in fact, as long as you learn my new arithmetic, this problem can be solved in just a little time."

After Li Zexuan finished speaking, the rest of the students widened their eyes in disbelief and whispered. Li Tai looked at him indifferently. In fact, what he thought was that Li Zexuan must be bragging.

Li Zexuan smiled and said, "The answer to this question is that A has walked ten and a half steps, and B has taken twenty-four and a half steps, Qingque, am I right?"

Li Tai couldn't calm down any longer. He opened his mouth wide and said, "How is this possible? It took two days for the grand scholar of the palace to figure it out!"

As soon as the rest of the students heard it, they knew that Li Zexuan had answered correctly again, and they couldn't help cheering.

"That's great, Mr. Li is right, you don't have to leave the math school!"

"It's amazing, Mr. Li is really amazing!"

"It's great that we can learn such powerful arithmetic in the future, haha!"

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

Li Tai was stunned for a while, then finally came over and said to Li Zexuan, "Mr. has a wide range of knowledge, and Tai is convinced!"

Laner in the back saw this, her two small eyes turned into crescents with a smile, and she was very proud of having such a powerful brother.

Tie Dan also has a proud face.

Kong Yingda and Xu Hongzhi both stroked their beards in shock and said in their hearts: It seems that this Guozijian is a great person!

"Okay, two quarters of an hour are up, since you haven't stumped me, then I will be your husband from now on. From today, I will lead you to the gate of mathematics, and then you will find that you have come to a new world!"

Li Zexuan looked at the time and said aloud to the children.

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

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