I didn't do anything this week, except math. High School Mathematics.

The difficulty of writing the "Outline of the High School Math Problem Solving Skills Guide" was much higher than I expected.

The challenge was how I could improve their math scores in a language they could understand. Maybe that's what math teachers and textbook writers are good at, not me.

I have studied the mathematics papers of the college entrance examination for nearly ten years, and the reference before ten years was not very significant.

I got a perfect score in 30 minutes on all 10 math papers, but I was a failure because I used a lot of math knowledge and skills outside of the high school syllabus.

I tried to analyze the 10 high school exam papers using functional analysis and divergent series, which took me 13.5 hours without eating or drinking, and I went to the toilet once in the middle and almost fainted on the toilet.

I assume that the college entrance examination papers are a special kind of "function", and they follow some kind of "imaginary" law, I establish their whole composition to connect the closed region, and use the oscillation series in the divergent series to approximate the "high examination paper function".

To my surprise and curiosity, I distilled a "general method...... In fact, it should be considered a semi-finished product.

The "general law" is just a logical framework, and I need to flesh it out with the most basic high school mathematics knowledge such as sets, trigonometric functions, solid geometry, plane analytic geometry, preliminary algorithms, and number sequences.

This meticulous work may take months or even more than a year.

Fortunately, Euler's formulas and closed surfaces, symmetry and groups in Elective 2-3 and matrices and transformations in Elective 4-1 helped me a lot.

I'm trying to finish the first draft within this year.

So be low-key, don't brag, I can't fulfill my promise within a week, what a painful realization.

This also made me more deeply appreciate the breadth and profundity of mathematics, even if it is a primary school mathematics teacher, it is worthy of our respect for a lifetime.

And mathematics itself is worthy of our awe for a lifetime.

By the way, my paper "Some Solutions of Linear Nonhomogeneous Differential Equations with Second-Order Constant Coefficients" has been submitted to the editorial office of Mathematical Innovation News.

Originally, I wanted to submit my paper to a national core journal such as Acta Mathematica Sinica, but at the suggestion of Mr. Zhang, I chose Mathematical Innovation Journal as a novice trial village.

That's all for today, my mother called me to dinner.

October 15, 20XX.

......

Shen Qi finished writing the latest journal of a scholar and went to dinner.

The next day, Shen Qi came to the classroom of the third (2) class of high school, and he told the students very apologetically: "I promised your solution guide, but I encountered some technical difficulties in the process of compiling it, I need some time, please be patient." ”

Gu Xiaodan asked, "Big guy, how long will it take, can it be done within this month?"

Shen Qi shook his head: "No, it will be December at the earliest." ”

Gu Xiaodan collapsed: "No, in December, I'm almost done reading in the third year of high school!"

Chen Xiaoting was a little disappointed, but she could also understand: "Shen Qi is kind enough to help us, but this is not an obligation that he must fulfill." Gu Xiaodan, do you think it is so easy to write a math guide? Shen Qi is a senior in high school like us, and he is not an expert in writing this. ”

Shen Qi glanced at Chen Xiaoting, or I understand me at the same table, Gu Xiaodan is too utilitarian.

"No, Shen Qi, he's different from us! I don't want a perfect score in the math test, I just want to get a score of 120 or more!" Gu Xiaodan beat his chest.

"Gu Xiaodan, you call an egg, and then shout Believe it or not, I will beat you into a retarded person?" Xu Rui in the back row roared angrily, rolling up his sleeves to do something.

"Fight, Xu Rui, you fight, anyway, I'm not far from intellectual retardation, I can't even pass the math 120 test, you beat me to death." Gu Xiaodan looked like he was loveless.

Xu Rui walked up to Gu Xiaodan murderously: "Rub, Lao Tzu scored 37 points in mathematics last time, did I say anything, do I have to complain about the heavens? According to what you say, I am also mentally retarded, and I have to die?"

"Xu Rui, you have sports expertise, it's different from us! And I, I don't have anything, my grades are average, I'm not handsome, I'm 165 tall, and that thing is not as big as yours, I'm ...... I'm just a piece of waste......" Gu Xiaodan said depressedly.

Some of the girls in the class laughed, such as Yan Beibei. Other girls were embarrassed and pretended not to hear anything, such as Chen Xiaoting.

"No, Gu Xiaodan, at least you have self-knowledge. Xu Rui was suddenly angry, he liked others to praise him for his big bird, especially in front of girls.

Xu Rui was not only angry, but also made suggestions: "Gu Xiaodan, don't ask Shen Qi about math problems or anything, you don't understand your solution, even I ...... Of course, I don't understand it even more. You go and ask Mr. Zhang, he is our math teacher and has a responsibility to help us improve our math scores. ”

"Come on, every time I ask Mr. Zhang, he just says a word, he can't answer such a simple topic? Have you listened to my lecture carefully? Get out, get out, brush up on the five or three and come back to me!" Gu Xiaodan vividly imitated Zhang Wanbang's demeanor and tone, and was so sad that he couldn't speak anymore.

"Well, I don't know, I've never asked any teacher questions. Xu Rui said indifferently.

"Stop, stop, Xu Rui, come out with me. Shen Qi gave Xu Rui a look and called Xu Rui to the corridor outside the classroom.

"What are you doing?" asked Xu Rui.

"It's the third year of high school, everyone is talking about studying, you look like you don't care, don't be such a brother, can you calm down and read for a few days?" Shen Qi said.

"Read, read, read, there is a bird for reading. Xu Rui's skin has darkened, his body has become stronger and stronger, his height has grown to 1.87, 88, and he is about to run 1.9 meters.

Shen Qi asked, "Then what are your plans in the future?"

"You're my dad, why do you care so much?"

"Okay, okay, I don't care about you, what do you like. Anyway, you are a big bird, and you will always be able to mix up in the future. ”

"Shen Qi, you think it's great for you to study at Peking University, right?

"No, just let it be, let it be. ”

Xu Rui said disdainfully: "What's so great about Peking University, spicy chicken, I want to study at Tsinghua University." ”

Shen Qi thought he had misheard: "Which Tsinghua?"

Xu Rui: "Don't pretend to be stupid, there are several Tsinghua universities in China, the one next door to Peking University, you have been there, and you have lived there for a few days." ”

"Damn, are you crazy? That Tsinghua can't be paid for it, unless your family background is super hard, you can't pay the money. Do you have relatives in the capital?" Shen Qixin said Xu Rui, you are hiding very deeply, no wonder you are so stubborn.

"Shen Qi, what annoys me the most is that you are a bastard who has good grades and is empty-eyed, if it weren't for my brother, I would have beaten you a long time ago. Xu Rui glanced at Shen Qi and said, "The whole world will allow you to be escorted?"

Shen Qi suddenly realized: "You...... Congratulations to you, Xu Rui, in the future, our brothers will study next door, this is very legendary, the two of us who were former scumbags actually went to Qingbei at the same time?"