Interestingly, Fang Yu, who finally surpassed Zhao Anyuan by 1 point this time, is still the second-ranked player.

With the popularity of Zhang's third edition of the arithmetic problem set, almost everyone in the science class had a copy. Most of the students in the class were either reading the arithmetic problem set or looking at the arithmetic problem set, and they were ranked third in the class and fourth in the school.

Zhao Anyuan, apart from class time, he spends all his free time working on questions.

For ordinary students, the most important thing about the arithmetic problem set is the problem-solving ideas. For top students, the most important thing about the arithmetic problem set is the large number of exercises.

The entire question set, which contains hundreds of questions, is nothing more than a math study question bank that allows people to keep studying and improve their performance.

Tan Qing, who scored 71 points in the arithmetic test this time, is the best example of how to improve his performance by brushing up on questions. The news that Yu Hua tutored Tan Qing in his studies quickly spread throughout the class. Naturally, the word "question tactic" also spread.

Tan Qing is a typical example of the tactics of asking questions. Zhao Anyuan immediately followed and started the trend of asking questions. Fang Yu followed closely. Top students such as monitor Li Fan and Liu Tao did not dare to hesitate. The rest of the students were influenced by the top students. In order to improve

As a result, I had to start the question-sea strategy.

All of a sudden, the whole Neo-Confucianism Class 1 changed from being empty at noon. All the students had eaten and immediately went back to the classroom to study questions. The atmosphere in Neo-Confucianism Class 1 spread to Neo-Confucianism Class 2, and then to Neo-Confucianism Class 1. After a while,

In the entire No. 4 Middle School, a new style of question-sea tactics has begun.

The gentlemen in each class discovered the strange changes in the students. After careful understanding, they found out that the newly released arithmetic problem set was inspected by three arithmetic teachers Luo Wenguang, Tao Ran and Zhu Sui and confirmed that the arithmetic problem set would be beneficial to the students without any harm.

, the arithmetic problem set has been officially recognized by the school to some extent.

Under such circumstances, the sales of arithmetic problem sets became more and more popular. In less than five days, most of the second batch of 500 arithmetic problem books were sold. At the same time, the arithmetic problem sets spread to other students from No. 4 Middle School.

spread.

There are girls' middle schools and Catholic schools nearby, and Chongde Middle School far away, and there are nearly ten schools, large and small.

The area where No. 4 Middle School is located is itself a school gathering area. Most middle schools, vocational schools and normal colleges in Beiping City are located here, and the market potential for teaching and training materials is profound.

Chongde Middle School.

"Jia Xian, come on, come on, come on, look what I bought." Yang Zhenning, a young man, was full of excitement. He ran into the classroom with two arithmetic problem books in his arms. When he saw Jiaxian studying at his desk in the first row, he shouted

While running.

The young man Jiaxian who was interrupted from studying had no choice but to raise his head. He didn't like to be interrupted when studying. In addition, it was the second semester of the first grade and he was very busy with his studies. However, the person who came was his good friend Yang Zhenning.

Putting down his pen, he looked at the excited Yang Zhenning in front of him. The young man rubbed his eyes and asked first: "Zhenning, what did you buy again?"

"The arithmetic problem set is very popular recently. All the top students in Peking No. 4 Middle School are using this, especially Yu Shen who got 698 points in the exam. I heard from people that this is the secret of his excellent arithmetic. I finally bought it.

When the number is 2, I’ll give you one.” Yang Zhenning, a young man, took out a book of arithmetic problems and put it on the desk, explaining.

"You believe it after hearing what others say? It's nothing more than the boastful words of those small printing shops." Young Jiaxian sighed and shook his head helplessly. His good friend was good at everything, but he had a shortcoming: he liked to follow trends and be fooled.

Yu Hua, the student from Peking No. 4 Middle School who scored 698 points in the first month's quiz, knew it, but could his high score come from an unknown arithmetic problem book?

impossible.

He used to like buying books from street stalls at the school gate. He originally thought he could learn knowledge and expand his horizons, but he never expected that the quality of these street stall books could not be improved at all.

He has suffered enough losses, and he no longer believes in this so-called listening to people's words and selling books on the street.

Every day, it's different.

"Hey, Jiaxian, this time is different, you will know after reading the question book." Young man Yang Zhenning chuckled.

"Okay..." Young Jiaxian shook his head, picked up the new arithmetic problem book that smelled like a book, took a look at the cover and thickness, and felt that the workmanship of this problem book was much better than any previous pirated books.

With a hint of interest, the young man opened the first page and saw a series of function questions. He was stunned for a moment. There was no preface, just the main text.

The young man Jiaxian frowned slightly and turned his eyes to the first function question. After taking a look at it, he made an evaluation.

Difficulty is medium.

This function question is relatively simple for senior high school students, but it is moderately difficult for young Jiaxian, a first-year high school student, and it will take a certain amount of time to solve.

After reading the question, the young man Jiaxian silently calculated in his mind. He had no clue for the moment and turned his attention to the process of solving the problem. Soon, the detailed and meticulous problem-solving process appeared, making his whole person suddenly enlightened.

This question turns out to be like this.

After watching the problem-solving process, young Jiaxian realized three things clearly in his mind and moved his gaze downwards. He originally thought it was the second problem, but the idea for solving the first arithmetic problem appeared.

Problem-solving ideas?

Young Jiaxian was slightly confused and continued reading. After reading the problem-solving ideas, he immediately understood why this question was done and what knowledge points it tested.

Interesting and interesting.

After reading the first question, young Jia first looked at the second question and quickly immersed himself in it. Some arithmetic knowledge points that he did not understand at first were quickly understood with the help of the arithmetic questions.

I don't know how long it took, but suddenly, the young man Jia Xian felt someone poking his arm. He raised his confused head. Standing in front of him was his friend Yang Zhenning.

"Jiaxian, how do you feel after watching it for ten minutes? If it's not good, just give it back to me." The young man Yang Zhenning squeezed his eyes, looked at the confused young Jiaxian, and said jokingly.

return?

Young Jiaxian quickly held the arithmetic problem book in his arms, treating it like a treasure. He glanced at his friend and took a deep breath: "This book... is of great value! Zhenning, how did you get it?"

"I grabbed it from a boy's street stall. There were very few books, but many classmates bought them. You don't know, but I spent a lot of effort to grab a copy. I was about to leave when I suddenly remembered that you didn't have it yet.

Go back and grab the second book." Yang Zhenning, a young man, responded, telling his true experience of buying books.

"Zhen Ning, thank you, I owe you a favor." When young Jiaxian heard this, he was moved and did not mention the money, but said solemnly.

I owe you a favor.

This is the young Jiaxian's evaluation of the value of this book. He would not buy those pirated books even if they cost 10 yuan a copy, but this book would not matter even if it cost 10 yuan a book, because this book of arithmetic problems

Worth the price.

"Study hard. We said that we want to become the greatest physicist in the world. We must strive for this goal and never stop for a moment." The young man Yang Zhenning did not refuse, nodded, and shook the math problem book

Shake, smile.

"come on!"

The young man nodded solemnly.

The sunshine in early March of 1937 fell on the classroom of Chongde Middle School and on these two teenagers.

…

The popularity of arithmetic problem sets continues.

As time went by, after the arithmetic problem set spread from No. 4 Middle School to the entire school gathering area, it received unanimous praise from arithmetic teachers and top students in major schools. The sales of the entire problem set went up to a higher level and became very popular.

.

However, this explosion has basically nothing to do with Zhang San as the author. What is supposed to come has come.

It was mid-March, and Huangchenggen Bookstore, which was responsible for printing the arithmetic problem book, discovered the popularity and potential of the arithmetic problem book, and immediately tore up the printing contract for the third batch of 1,000 copies, immediately pirated the arithmetic problem book, and sold it externally.

.

Outside the gate of Tsinghua Park Second Campus.

"Sir, that fellow Zhang Fu was so unreasonable that he tore up our printing contract. Ruizi went to argue with him, but he kicked him out." Xu Rui stood beside Yu Hua and walked forward, breathing heavily and looking angry.

.

"It doesn't matter, are you injured?"

Yu Hua, who had just come out of Tsinghua University West Campus to finish his studies today, heard these words, Zhang Fu's face that once longed to save his life appeared in his mind, he shook his head slightly, and didn't have much reaction. In essence, it was the Huangchenggen Bookstore for pirates.

, piracy is normal nowadays.

To expect Huangchenggen Bookstore to stick to its bottom line is worse than to expect a dog to dislike the meat buns that are brought to your mouth.

You must have this kind of awareness when you find a pirate to print a question book.

Yu Hua does not blame Huangchenggen Bookstore and Zhang Fu. Of course, Huangchenggen Bookstore will have nothing to do with him in the future.

Life or death, let it be your fate.

"No, Mr. Zhang Fu seemed to be thinking of you, sir, and didn't use violence against Ruizi. It's just that I was really angry. The pirated workshops and bookstores in the north and west of the city continued to close down. Only Huangchenggen Bookstore relied on your title, sir.

After surviving, not only did he not be grateful to you, but he tore up the printing contract." Xu Rui shook his head repeatedly: "Zhang Fu is too hateful and unbearable to be a human being!"

"Don't be too angry. He's just a stranger. How many copies of the collection have been sold in total?" Yu Hua looked at the anger on Xu Rui's face, smiled, and patted Xu Rui's shoulder.

Since becoming a disciple of Hua Luogeng, Yu Hua has left all the sales of arithmetic problem books to Xu Rui and no longer pays too much attention to it.

"There are 1,259 books in total, and there is no title book at home. All the legal currency I received was converted into silver dollars according to your request. I exchanged 1,100 oceans and kept them at home. The legal currency is becoming worthless." Xu Rui gave the situation like a treasure trove.

1100 oceans, no more, no less.

The shortfall of 5,000 is still more than 3,000.

After hearing this, Yu Hua silently calculated and had an idea: "How is the situation at home? By the way, is there any news about the matter that I asked you to inquire about?"

The depreciation of the legal currency has already begun, which is inevitable. Yu Hua had already asked Xu Rui to exchange the legal currency for silver dollars as much as possible after receiving the legal currency.

"I'm fine at home. Ruizi has already inquired about the two Japanese. One is Fujita Shintada, a soldier at the Japanese Pavilion in Dongjiaomin Lane, and the other is Horikoshi Jiro. I don't know what he does." Xu Rui glanced around, but there was nothing else.

Someone else whispered.

"Jiro Hikigoshi?"

When Yu Hua heard the first name, he had no reaction for the time being. After hearing the second name, he was stunned. Isn't this the designer of the Zero fighter?

Why did you come to Peking?
Chapter completed!