Translator: Dj2203
Editor: Dj2203
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What Zhuang Li was best at was controlling the whole situation, so he was distracted for just a moment before immediately returning to normal, taking the marker handed to him by Teacher Zhou and walking to the blackboard.
The tall boy sitting in the last row frowned and looked at him. After a long while, he asked in a hoarse voice, “Who is this person?”
“Damn, he sits under the blackboard every day, and you don’t even recognize him even though he’s in such a conspicuous place?” His deskmate showed a surprised expression.
“I never noticed this person in the class before.” The boy’s voice became lower and lower until he shut his mouth because Zhuang Li, who was standing on the podium, shook the test paper and started his lecture.
“The correct answers to the first six questions are cbaadc. The knowledge points are very simple, so I will not explain it. Now let’s look at the seventh question. Find the graph of the function y=2x… in [-2,2] that is abcd. Use Taylor expansion to expand it, and the zero point, extreme point and inflection point will all appear. The answer is b.”
Zhuang Li wrote down a bunch of formulas and immediately moved on to the next question, not giving everyone time to digest them: “Question 8 is too easy, choose a.”
“Look at question 9: Execute the flowchart on the right. If the input x=0, y=1… then what conditions do the output values of x and y meet? This question can be solved using the knowledge of integer variables, floating-point numbers, pointers, and arrays. Substitute the values of x and y into the equation, and the answer is clear at a glance. Choose b…
“Question 11: Find the sine of the angle between two lines that are not in the same plane. Use the scalar product, vector product, and mixed product. The answer is c…
“For question 12, apply Euler’s formula and then De Moivre’s formula, and you can directly get the answer d…
“For question 15, use loop integral to find the integral of the boundary of the equation. The answer comes out very quickly. This question is too simple, so I won’t go into details. Let’s look at the next question…
“Question 28, statistical graph, use probability theory to solve it, combining the Cauchy-Schwarz inequality and the law of large numbers…
“Question 29: Find the range of values for the area of quadrilateral mpnq, combining discrete mathematics algorithm and conjugate gradient algorithm…
“Let’s look at the derivative problem. Use Fourier transform to transform continuous functions into various trigonometric functions, perform Schmidt orthogonal transform to obtain orthogonal, complete and normalized trigonometric series, use Abel criterion to obtain convergence, and finally use infinite series to sum up, and the answer is out…”
Zhuang Li wrote the calculation process on the blackboard while explaining it, without any pause or getting stuck from beginning to end, as if all the mathematical knowledge was native to his brain.
The students under the podium were stunned and then looked at each other in shock. Was this guy really the poor student Zhuang Li? They couldn’t believe it!
Teng Xuan stared at the person on the podium, his mind in a mess. He found that he could not even keep up with Zhuang Li’s train of thought.
His other three good friends were named Huang Zhe, Fang Yibo and Xiu Yue, and they were all stunned at this moment.
Teacher Zhou wiped his glasses with a flannel cloth, then put them back on and looked at Zhuang Li carefully, his eyes full of astonishment, as if he didn’t recognize him at all.
He was a top student in the Department of Mathematics at Q University, and also a key teaching and research staff hired by the school with an annual salary of hundreds of thousands. He knew very well whether the formulas written by Zhuang Li on the blackboard were correct or fabricated.
This kid had a knack for math! To be more precise, he had an extraordinary talent for math!
Teacher Zhou quickly took out his pen and followed Zhuang Li’s ideas on the draft paper, and then he felt suddenly enlightened.
The whole class looked up at Zhuang Li with their mouths wide open, their heads full of question marks. What was this? There were many mathematical symbols that they had never seen before, it was like a book in heaven!
The unusually tall boy folded his arms across his chest and looked straight at the podium, but his eyes did not even glance at the blackboard. Instead, he stared at the curly-haired boy who was talking eloquently.
Who was he and why had he been in his classroom, yet seemed to have suddenly fallen from the sky?
After a long while, the boy asked in a hoarse voice: “What is he saying? I don’t understand.”
“Brother Xiu, I don’t understand either. He seems to be explaining the test questions, but I have never heard of any of the theorems and formulas he mentioned!” His deskmate whispered.
Neither of them seemed to watch the live broadcast and did not know that Zhuang Li was a celebrity.
At the same time, Fang Yibo, who was sitting next to Teng Xuan, asked with a half-smile: “Xuan Zi, is Zhuang Li performing an opera?”
“No, he’s not.” Teng Xuan’s face had completely turned pale. After all, he was the top student in his grade and often participated in international math, physics, and chemistry competitions. Others could not understand what Zhuang Li was saying, but he understood it very well.
Xiu Yue, who was sitting behind the two of them, also said in a deep voice: “He is not acting. You can’t understand him because the knowledge points he uses are beyond the scope of what high school students learn.”
Fang Yibo was stunned.
Xiu Yue’s deskmate Huang Zhe said in disbelief: “No way! Aren’t Zhuang Li’s math grades very bad? Could he have looked up the answers online and memorized them?”
Of course this possibility existed. Teng Xuan’s expression relaxed for a moment.
However, at this moment, Teacher Zhou suggested that the knowledge points were too profound and he was afraid that the students would not understand them.
Then Zhuang Li solved the last big question using seven different methods, from shallow to deep, from easy to difficult. Now even an idiot could understand it.
Learning was a process of first reading a book thickly and then reading it thinly. Reading thickly meant constantly absorbing more knowledge points and knowledge areas to increase your understanding ability; reading thinly meant summarizing this knowledge and then explaining it to others in the simplest language.
If even illiterate people could understand the knowledge points you had summarized, then you had reached the master level.
The last question was originally very difficult. According to Teacher Zhou, it was beyond the syllabus.
But after Zhuang Li’s gradual analysis and explanation, the poor students sitting in the last row slammed their desks and shouted, “I don’t know if it was my imagination, but I actually understood it!”
“Me too! I think I know where I went wrong!”
These people quickly grabbed their pens and started calculating, but the rest of the students were all in an uproar.
They were students in Class A after all, so they wouldn’t be so ignorant. Whether Zhuang Li was a genius or a poor student, everyone knew it by now, and it was precisely because they knew it that they couldn’t believe it.
“Zhuang Li’s math scores seem to be better than Teng Xuan’s!”
“Yes, yes, Zhuang Li is really giving in to Teng Xuan!”
“Teng Xuan scored 141 points this time. When Zhuang Li was explaining the problem, he got every question right, and he used knowledge points to simplify the problem-solving process. If he takes the test seriously, he can definitely get 150 points!”
“What he said before was not bragging!”
“My worldview seems to have collapsed! Does Teng Xuan really not want Zhuang Li to have better grades than him? He’s even crying for such a thing. Hahaha, this is too petty!”
“I didn’t expect Teng Xuan to be this kind of person. It really opened my eyes.”
“If you are jealous, then you are jealous. F**ked up his character of someone who is as calm as a chrysanthemum.”
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