Wear the book and be reborn as a group favorite for 50 people

After staying at home for two days, the second uncle and the second cousin left one after another. The second uncle returned to Haishi, while the second cousin boarded the train heading north to go to his battlefield.

When the second cousin left, the eldest uncle gave the second cousin several phone numbers, all of which were the numbers of his comrades in the Northern Military Region, and asked the second cousin to call him if anything happened. The second cousin was also very grateful for this and repeatedly promised that he would work well. Seeing his second cousin's hesitant look, Tang Xin believed that his second cousin would definitely be able to do something of his own.

Tang Xin celebrated her 13th birthday amidst everyone's expectations. Since 60, the National Day military parade has not been held, so Mr. Tang does not need to attend the military parade, and the uncle is not so busy these days.

However, there are still National Day celebrations organized by various units and streets during the day, so everyone’s dinner time is still set in the evening, and everyone is busy with their own affairs during the day.

Today, Tang Xin's school also organized a celebration. Since they are all BGI students, their activities are also linked to BGI. Tang Xin and the others are responsible for performing choruses at the party organized by BGI.

The theme of this year's event is to express condolences to the scientists and researchers at BGI who have made great contributions to the country. Tang’s father and Tang’s mother were also lucky enough to attend.

The party went very smoothly. Tang Xin and the others had to stay at the venue after performing the chorus. They also invited these famous scientists to give speeches to the children. This was also to stimulate the children's motivation to learn, so they chose to participate in the performance this time. They are all outstanding students in the school.

The speeches of several scientists were very vivid, which inspired Tang Xin and others' enthusiasm for learning. They clapped their hands excitedly and their hands turned red.

"Tang Xin, I have decided that I must study hard. Work hard to be a scientist and contribute to the country." Chen Xi's face turned red with excitement.

"Well, let's work hard together, study hard, and serve the country!" Tang Xin was also very excited, full of motivation.

As the final scientist, the last one is my mother’s mentor, Mr. Qian. In addition to being a physicist, he is also a well-known mathematician. Today, he did not teach the children obscure physics, but mathematics.

Mr. Qian is funny and humorous. Under his explanation, mathematics, which is usually boring, becomes interesting. The children listen attentively. Mr. Qian was very happy to see the seriousness of the children. This is the future of the motherland.

So he improvised and decided to give the children a few questions to test them.

After thinking for a while, Mr. Qian found a blackboard and wrote a few calculus questions on it. It was the simplest calculus question, and there were smart children present, including Tang Xin, who had also learned it when she was in college, so several children stepped forward to solve the problem.

Not only Mr. Qian was present, but other mathematics professors also came on stage to ask a few questions. More people solved it one after another. Several professors became interested and began to ask questions again. The questions became more and more difficult, and fewer and fewer students took it.

In order not to disturb the continuation of the party, several professors moved the small blackboard to a corner, and several people who were interested in mathematics gathered around to watch the children solve problems.

Seeing that the questions were getting more and more difficult, Tang Xin became more and more excited. She never got up. She knew all the previous questions, but it was not challenging for her.

Recently, she became obsessed with mathematics. To be honest, she had no feeling for mathematics before. Until she watched her mother solve a mathematical equation, she tried to solve it for a while. She felt that wonderful feeling of being immersed in numbers and the achievement of solving the equation. The feeling made her fall in love with mathematics at that time.

And she didn't tell anyone. When she saw the new equation, it was as if a computer started running in her mind. Many ways to solve the equation emerged in her mind, giving her countless inspirations and methods to solve the problem. Solve the problem and verify it.

Seeing that no one was going up again, Chen Xi became a little anxious. She suddenly remembered Tang Xin beside her. She had never been up there once, and she had been there twice.

"Tang Xin, can you solve this problem?" Chen Xi asked in a low voice.

"Well, it should be possible, but I haven't tried it, and I don't have the paper and pen to calculate it now." Tang Xin said thoughtfully.

"Then you go try it and do the calculation directly above." Chen Xi advised.

"Tang Xin, do you have an idea? Go up and try it." Tang Xin and Chen Xi's class teacher saw the two whispering. He has taught Tang Xin for more than a year, and he still knows a little about Tang Xin. He knows that she is good at mathematics. He has superhuman talents. He encouraged Tang Xin to go up and give it a try.

After looking at Chen Xi and then at the teacher, Tang Xin stood up and walked towards the blackboard.

"Professor, I want to give it a try." Tang Xin said.

"Okay, okay, kid, come and try. Don't be nervous. It doesn't matter if you can't figure it out." The professor, who was a little disappointed at first, was very happy to see Tang Xin step forward and say he wanted to try. Originally, today's questions were improvised. The children performed very well, so the questions became more and more difficult. The current questions are completely beyond the scope and can only be solved by mathematicians. It is reasonable that no children come up. It's just that the performance of the children just now exceeded his expectations, so he was a bit disappointed that no children could come up and try to solve this problem.

Tang's father immediately became nervous when he saw Tang Xin coming up, but Tang's mother was very calm. After all, she had seen her daughter solving equations several times at home, and she still had some confidence in her daughter's ability. Moreover, my daughter’s problem-solving ideas are always different from the commonly used solutions in the academic world. She can always find new ways to solve problems, which always makes her feel enlightened.

Tang Xin stepped forward, picked up the chalk, thought about it for a while, and then started to calculate next to her. She wrote very slowly at first, but then she wrote faster and faster when she found an idea. Soon the entire blackboard was filled, Chen Xi Watching from the side, there was a tacit understanding of erasing the areas where she calculated. Tang Xin then circled back and continued writing.

The professors here looked at Tang Xin's calculations, and also put away their relaxed demeanor, and their expressions began to become serious. For a while, this corner was unusually quiet.

Tang Xin was completely immersed in her own thoughts. The faster she wrote, the happier she became. After a while, she finished the calculation. Then I thought of another method and calculated it again, and it was all correct!

"Professor, I'm done!" Tang Xin put down the chalk in her hand, turned around and said to Mr. Qian with a smile.

Several professors present had been witnessing Tang Xin's entire calculation process, and they knew as soon as Tang Xin started writing that the child had figured it out!

How young a child is, he actually solved such a difficult problem. Although this problem is not the most difficult problem in the history of mathematics, it is also a compulsory problem for mathematicians. There is a joke in the academic world that the only way to become a mathematician is to solve this problem. I didn't expect a child to solve such a difficult problem. How old is she? This seems to be an elementary school child. The key point is that she also used two methods, and the second method was not even thought of by them. Professor Li, a professor of mathematics, said that very few people know about this method, and not many people in academia know about it.

"Okay, okay, good boy. What's your name? What grade are you in now?" Mr. Qian was very excited. This is a good youngster. It's not an exaggeration to call him a genius boy.

"Hello, professor, my name is Tang Xin, and I am a sophomore in high school at Children's School." Tang Xin answered.

"Good boy, are you interested in taking the Physics Department exam in college?" Mr. Qian asked. How long will it take if such a good talent is not snatched up now? You must know that the topic he studies requires extremely high mathematical skills. , like he himself is a mathematician.

"Hey, old money, don't steal people from me. This child is so good at math. She should learn math from me and take the math department. Only in this way can she make full use of her strengths." Professor Li quit, so good The mathematics department also needs the seedlings.

Seeing the two professors arguing over which major Tang Xin should apply for in the future, Tang's father and Tang's mother hurriedly stepped forward to separate the two, "Don't argue for now. From now on, it's up to the child to decide which major to study. But at the moment, this child doesn’t want to take the major at BGI, so it’s useless for the two of you to fight for it.” Tang’s mother said to her tutor and Professor Li.

"Xiao Chen, how do you know? Do you know this kid?" Mr. Qian came to his senses and asked quickly, why doesn't this kid want to go to BGI? Isn’t that BGI’s loss?

"Teacher, have you forgotten? My daughter's name is Tang Xin." Tang's mother looked at her teacher funny. Although the children had never seen the teacher, she often mentioned the children in front of the teacher. Once the teacher When I start studying knowledge, I don’t care about anything anymore.

"Oh, look at my brain. I was just thinking about why this child's name is so familiar." Mr. Qian patted his head. His beloved disciple's child, isn't that his disciple's grandson? Well, since I have my own family, I am not afraid of others robbing me.

After Professor Li heard about it, he was also very helpless. Why did this old money get involved in all the good things? There is a good student like Professor Chen, and now he has many disciples like Tang Xin. He has someone to inherit his legacy.

"Tang Xin, come here quickly and say hello to Grandpa Qian." Tang's mother called.

"Hello, Grandpa Qian." Tang Xin said hello.

Well, that's right, he can be considered her master, so there's nothing wrong with calling her grandpa. Qian Lao nodded happily, "Okay, okay, good boy. Come to grandpa, let's talk."

Tang Xin looked at her mother and father. They both nodded to her, and Tang Xin walked over. Professor Li couldn't see it, so he had to fight for it. He couldn't give up on such a good seedling so easily, so he followed. When he goes up, he will also follow Nao Lao.