"What do you think is the most important thing in education?" Bi Wanqing asked Wu Bin.

"The most important ......" Wu Bin thought for a moment, "Teacher? ”

"That's right, it's teachers, in my country, teachers rarely become the first choice for those talents, and even after you go to a good university, you will be heard by others and say, ah? After you finish such a good university, you will become a teacher? ”

"Russia...... It seems to be true. ”

Wu Bin thought about it, it seems that engineers, designers, lawyers or something will be touted, teacher...... In other words, "Oh, pretty good, pretty good?" ”

"The media is even more funny, I read an article before, it is about a student who participated in the IMO and was sent to Beijing University, and then went to a second normal university to become a teacher, do you know why the media said it? Call it after the fall of genius! ”

"It's a ridiculous joke!"

Bi Wanqing slapped the table suddenly, his face full of anger.

"Teacher, don't get excited, the media isn't like this, just love to be eyeballed." Wu Bin hurriedly persuaded.

"Alas! It is in this atmosphere that there are fewer and fewer good teachers, but in the case that there are not many good teachers, some teachers have not yet entered public schools, and the reason for this is to reduce the burden. ”

Looking at Wu Bin's incomprehensible look, Bi Wanqing continued; "The country has withdrawn from the competition education, but some parents who have good economic conditions and hope that their children can be better than other children will not quit, and when other children leave school early to play, some children will enter extracurricular training institutions for education."

"Oh......" Wu Bin nodded, as if he understood something.

"As far as I know, now some well-known extracurricular training institutions, want to enter or even have to take exams, the score is not enough to give money people will not let you in, can this happen, you can imagine how much money those structures make, fully have the strength to hire excellent teachers with high salaries to join, extracurricular training institutions teaching level to surpass the school is only a matter of time, and may even have been realized."

Wu Bin nodded slowly after listening.

'When basic educational resources become luxuries...... And then the result is, oops, can't think about it, can't think about it. ’

Seeing that Wu Bin seemed to have understood, Bi Wanqing sighed again and said, "No competition!" Exam rankings are prohibited! How can such an education cultivate high-quality scientific and technological talents on a large scale? How to develop science and technology in all aspects? I can't even afford the competition for exam rankings in the class, so why talk about surviving and competing in the forest of the world's nations? ”

"By that handful of genius!? Miss by a mile! Research is never something that can be driven by one person or a few people! After saying this, Bi Wanqing breathed a long sigh of relief, "Hey, why am I talking to you about this, you start reading, and if you don't understand anything, just ask." ”

"No, every time you say, it makes me think a lot, and I like to listen to your teachings."

Wu Bin still agrees with Bi Wanqing's words, take the peerless genius Newton he watched a few days ago, he also made various breakthroughs on the basis of the research of his predecessors, and became a great man in the scientific community, is it important to make breakthroughs? Important, of course, but equally important for the scientists who contributed to these foundations!

"Okay, if you like me, I'll talk to you more in the future, it's inconvenient to say these things outside, and no one at home wants to listen to my nagging, I'm worried about who to talk to about this stomach complaint." Bi Wanqing's expression was very happy when he said this.

"Good teacher, I'm sure I'll be a good listener."

After all, Wu Bin can't do anything else, and he is absolutely unambiguous when he should shout "666"!

……

During the lunch break the next day, Wu Bin got "Advanced Mathematics" and "Calculus" from Bi Wanqing in the office

"There's a lot to learn, but you don't have to learn it all in one go, start with the limit, it will help you a lot in your calculation method."

"Okay." Wu Bin rubbed these two books, his expression a little impatient.

Bi Wanqing naturally saw it, so he said with a smile: "You sit next to it and watch it first." ”

"Okay~"

After Wu Bin finished speaking, he sat on a small chair on the edge of the flower pot and flipped through "Calculus".

Ten minutes later......

The female teacher who Wu Bin saw last time walked up to Wu Bin and poured water, and after glancing at Wu Bin's expression when he was reading a book, he couldn't help laughing and said: "Ouch, Teacher Bi, no wonder you keep telling me how special your closed disciple is, it's really interesting, and it's the first time I've seen a student look at calculus expressions so richly." ”

"Huh? Did I show any expression? Wu Bin looked up strangely and asked.

"yes, it's almost time to sing." After speaking, the female teacher took a sip of water and said, "Okay, okay, I won't bother you, you can continue to watch." ”

At this time, Bi Wanqing, who was watching with a smile on the side, suddenly said to the female teacher: "Teacher Deng, why don't you teach him calculus?" ”

As soon as he heard the three words of Teacher Deng, Wu Bin suddenly remembered who this was, Deng Xiujing, the teacher who is often responsible for the problems in the mathematics group, I heard that the teaching experience is longer than Liu Yushan, and he has won many outstanding teacher awards, which is the ace teacher in Xiazhong.

'This office...... It's not Huashan on the sword. ’

Looking at the two bigwig-level teachers, Wu Bin couldn't help but think.

Deng Xiujing heard Bi Wanqing's words and said with a smile: "Your opinion on high mathematics is worse than mine, you should teach it yourself, I can't afford to teach you badly." ”

"Teacher Deng said with a smile, how can I have your experience in mathematics teaching, I really hope you can help." Bi Wanqing stood up and said solemnly to Deng Xiujing.

Looking at Bi Wanqing's serious expression, Deng Xiuqin took a sip of water and said with a smile: "Then since you said so, Teacher Bi, I'll try." ”

"Great, then trouble Mr. Deng." Bi Wanqing said happily.

"That'...... Come on, happy little boy watching calculus. Deng Xiuqin beckoned to Wu Bin.

Wu Bin, who was still a little stunned in the small chair, first glanced at Bi Wanqing.

"In the past, why are you still stupid." Bi Wanqing said with a wave of his hand.

Wu Bin stood up and walked to Deng Xiuqin's desk.

As soon as Wu Bin came over, Deng Xiuqin said straight to the point: "How many points can you score in mathematics now?" ”

"Last time, I took the monthly exam 130, but now I am confident that I will take the exam higher."

"Got the function, right?" Deng Xiuqin said as she took out a piece of paper.

"Yes, I see."

Wu Bin is still quite confident at this point, after all, he has the talent of [Function Mastery].

"Okay, then I'll tell you about the two more basic points in calculus, derivatives and differentiation." Deng Xiuqin said and stretched out a hand, "The relationship between these two is like the palm of the hand and the back of the hand." ”

After speaking, Deng Xiuqin wrote down a function on a piece of paper.

y=f（x）

"What is the derivative of this f(x)?"

Before Wu Bin could speak, Deng Xiuqin continued to write.

f(x) = dy

"This derivative is the dy, that is, as long as you can find their limits, this thing is called the derivative of this function."

'Wow...... The pace of this teacher is a bit fast. Wu Bin, who kept nodding, thought silently in his heart.

PS: Continue to code the third more, diligent I ask for a recommendation vote~