【What you need to learn】

Writing this line, Bi Wanqing continued: "After all, it is a physics competition, and it will not require you to thoroughly read the entire book of high numbers, such as the median value theorem, you don't need to read it, you need to master it, there are these." ”

After Bi Wanqing finished speaking, he picked up the chalk again and began to write on the blackboard.

[Derivative] [Differential] [Definite Integral] [Indefinite Integral] [Solving Differential Equations] [Taylor Expansion]

After writing, Wan Qing drew a circle on the two words of definite integral, "In terms of integrals, what you need to focus on is various forms of commutation and trigonometric integrals, which can be said to be the most important piece. ”

Wu Bin, who was listening below, nodded, secretly glad that he had conquered the fierce horse of "trigonometric functions" a while ago.

"After you learn solidly, what I want to teach you is the specific application of calculus in physics problems, first of all, the first point is naturally that you have to list differential equations for specific problems, at this point, you have to brush up a lot of questions, and I will help you prepare for the questions."

"How many kinds of questions can I have!?" Hearing Bi Wanqing's words, Wu Bin almost stood up excitedly.

Regarding Wu Bin's reaction, Bi Wanqing would show a very kind smile every time, and then said: "Don't worry, a lot." ”

"That's great!"

"In addition, Taylor's expansion is mainly used for small-scale analysis, and sometimes the commonly used first-order small-scale expansion is not enough, so it is necessary to use Taylor's expansion to second-order calculations......"

After that, Bi Wanqing spent more than an hour explaining to Wu Bin the framework and general content he needed to learn.

Seeing Wu Bin's expression without the slightest fear and boredom, Bi Wanqing stepped off the podium and said to him with a smile: "Although most people want to have results in the semi-finals and even the preliminaries, they have to do special competition training from the first year of high school. ”

"But there is no shortage of magnificent masters in every era, and I once had a professor who entered high school at the age of 8, started auditing university courses at the age of 9, and then participated in the International Physics Olympiad at the age of 10, 11, and 12, and won bronze, silver, and gold medals, respectively."

Wu Bin couldn't help but open his mouth wide after hearing this, he now doubted not only whether this professor also had a system, but even doubted whether the system in his mind was a little more advanced than his own.

Looking at Wu Bin's stunned appearance, Bi Wanqing laughed twice, "If you can pass the semi-finals and enter the national competition, the worst, you can also see with your own eyes the wonderful shots of the two universities of Beijing University and Jinghua grabbing the national first player." ”

"National Competition...... What is it like? Wu Bin couldn't help but think about it for a moment.

"National Competition~" Bi Wanqing stroked his thinning hair, and said with a look of reminiscence: "A few people with particularly good results in the semi-finals will form a team to meet other provincial teams, and those who can come to this point will have hundreds of people in the country, all of whom have unique skills, among which the students of Lianghu are the strongest, and there are always people from their side who represent the country to participate in IPhO every year." ”

'Do you play with the best players in the world......

Thinking of this, Wu Bin couldn't help but boil with enthusiasm.

Looking at Wu Bin's eyes full of fighting spirit, Bi Wanqing seemed to recall something, and said, "You remind me of what my professor said to me before. ”

"What?"

"He said, competition is such a thing, if you like it, you can play it, and if you don't like it, you can play something else."

"Like...... Quite philosophical? ”

"Actually, it was his old man's casual remark, and later he told me the story of his childhood, he liked to dismantle things since he was a child, what old-fashioned radios, alarm clocks, watches, game consoles, all dismantle."

"This ...... Isn't this just a bear child? ”

"But they can still put it back after dismantling."

"Big guy, big guy, teacher, go on."

"Later, he told me that the current is edible, 10v is sweet, 50v is salty, 100v is spicy, 150v the tongue is not felt, as for 220v...... You can try it. ”

Wu Bin, who was in a cold sweat when he listened, wiped his forehead with his hand, "I think I'm quite happy to be alive." ”

I couldn't help but sigh in my heart: 'Premature life, high-IQ bear children really know how to play.' ’

Looking at Wu Bin's appearance, Bi Wanqing laughed, patted Wu Bin's shoulder and said: "Interest has always been one of the most important parts of learning, and your interest in physics may not even be as good as mine, so everything is possible, come on." ”

"Why, teacher, you are not interested in physics, where will you work overtime to teach me."

"Hahaha, you can see it." Bi Wanqing laughed a few times, and then suddenly sighed, "If every student is like you, it is estimated that there will be no call for reducing the burden." ”

"Teacher, you seem to be particularly concerned about reducing the burden." Wu Bin asked.

"After going through that era when it was all gold medals, look at the present, can you not care." Bi Wanqing sighed again after speaking.

Speaking of competitions and gold medals, Wu Bin suddenly had a brain hole.

If one day e-sports can promote the development of the world and become the mainstream, everyone will be proud of e-sports, and they will play games every day to train until their livers explode, and then their parents will start crying.

"It's too hard for children to play games, and they play until five or six o'clock in the morning every day."

"But it's not, I practiced mending the knife for another eight hours yesterday, and my eyes were gone."

"You guys are nothing, my child's waist is injured!"

Then the Education Bureau couldn't resist the pressure and began to reduce the burden on children, not allowing schools to recruit students based on the championship of the Internet café league and the champion of the SOLO competition, and strictly prohibiting all kinds of schools from setting up key classes in the middle single, shooter key classes and so on in any name.

Then my country went from being able to win consecutive championships to not even being able to make it to the qualifiers.

It is estimated that the masses will not just sigh like Bi Wanqing at that time, I am afraid that the Education Bureau will demolish it for you.

In the final analysis, it's just that the math and physics competitions are too high-end, and only a small number of people can enjoy the fun, and most people can't even read it, but those who like to watch it, those who understand it, can they not be angry when they see their country's strengths weakening day by day.

Seeing that Wu Bin was a little distracted, Bi Wanqing said: "And do you think that reducing the burden is really so simple on the surface?" ”