At the entrance of the camp, Zhang Yu bowed to Cai Yong and Shen Tu Pan.

Zhang Yu had never heard of Shen Tu Pan in modern times, but he knew Cai Yong, who was a writer, calligrapher, musician, and especially his daughter Cai Wenji. Faced with such a famous scholar of history, Zhang Yu respected him from the bottom of his heart. When Dong Zhuo was dictatorial, Cai Yong was valued by Dong Zhuo and provided many suggestions for Dong Zhuo. When Wang Yun was dictatorial, Cai Yong accidentally said good things about Dong Zhuo, which aroused Wang Yun's anger and imprisoned, and Cai Yong died of illness.

Cai Yong and Shen Tu Pan were both over fifty years old, and their hair and beard were gray.

Zhang Yuyan invited Cai Yong and Shen Tu Pan to enter the camp gate and accompanied him to the tent. Zhang Yu personally instructed Shi A to arrange the entourage of Cai Yong and Shen Tu Pan.

After entering the tent, Zhang Yu pretended to ask Cai Yong to sit on the seat. Cai Yong was so moved that tears were about to fall. How could he sit on the seat? Zhang Yu was a general of the country and a marquis of Wuyang County. He was famous all over the world. It is rare in the world to be able to be so loyal to the corporal.

After Cai Yong and Shen Tu Pan firmly sat in the tent and leaned against the main seat, Zhang Yu stopped forcing him to sit down in the main seat.

Fang Shuo, Zhao Zhen, and Shi A were accompanied.

After Kang Ling made tea for everyone, he stepped back to Zhang Yu and stood there.

Cai Yong had already drunk tea in the south, but how could the tea bowl he used compare with the crystal glass cup? Cai Yong looked at the tea cup with his thoughts flying, and wanted to recite poems and essays.

Zhang Yu has no doubt that he has seen many reactions to Cai Yong and Shen Tu Pan when they see the tea cup.

Zhang Yulang smiled and said, "After Mr. Cai returned from Shuofang County, he traveled across the river and the clouds. Zhao Zhen was fortunate to be your teacher. I, Zhang Yu, also wanted to ask you for advice, but I, never found a chance. Your fairy tale was floating, and the dragon could not see any shadow when I heard the sound."

Cai Yong said with admiration: "The reputation of the general of Zhenguo to suppress bandits is far away and the land of Wuhui. I was extremely fascinated by the erecting monuments by the Han River. The wooden ox and the overturned carriage invented by the general of Zhenguo to benefit all the ages. The "Basic Mathematics" written by Zhenguo reminds the mystery of the world. I have long wanted to visit you. Although it is far away in the Wuhui, my heart surrounds you. A few years ago, I came over mountains and rivers quietly, one was visiting my friend Shen Tu Pan, and the other was to ask you about the mysteries of mathematics. The "Zhoufeng Abbreviation" records the formulas and proofs of the Pythagorean theorem. The "Jiang Mingzu Abbreviation" says Gou Guang San, the fourth, and the fifth. Compared with your "Basic Mathematics", these two books are just one leaf of the lush tree. The principles you revealed are as vast as the East China Sea. It impressed us, and it also aroused us to explore the mystery of its ingenuity."

Shen Tupan said: "The rapid changes in the world make me dizzy. I am not afraid of the world. When I stay away from the mountains and rivers for a long time, the heaven and earth have undergone great changes. The General of Zhenguo descended from the sky, bringing light to the dark world and seeing hope. I thought that the General of Zhenguo would treat us like grass, but I didn't expect to treat us like a guest of honor. In addition to being frightened, I also had the idea of ​​asking for advice."

Zhang Yulang smiled and said, "Mr. Shen is a yellow man outside Chenliu County, and Mr. Cai is from Chenliu County. You are a fellow townsman. Yingchuan and Chenliu are adjacent to us. We are half a fellow townsman, right? Why bother with me? You really want to hear me talking about mathematics, so what's wrong with me?"

"Basic Mathematics" was compiled by Zhang Yu. All modern junior high school students in the book must master the knowledge, not high-level content such as analyzing geometric calculus. But mathematics is the basis for prompting the mysteries of the universe. Of course, Zhang Yu knows the significance of promoting mathematics in this era!

The two historical-level famous scholars in front of him were so eager to learn mathematics that Zhang Yu was very moved by [Yanyu Hongchen Novels], and Zhang Yu started to speak immediately.

Everyone gathered around Zhang Yu's short side. Zhang Yu used a pen to draw, write and explain on paper. Zhang Yu's speech was very clear and concise. The listener was fascinated by the listener. Although he was not very clear, he was respectful.

Normally, you should drink wine at lunch, but because Cai Yong and Shen Tu Pan wanted to learn mathematics too much, Zhang Yu just let them have a meal.

This opening talk does not end until the sun sets westward.

Although Cai Yong, Shen Tu Pan, Fang Shuo, Kang Ling and others are the smartest people in the world, the mathematical knowledge they master is not as good as modern primary school students. If Zhang Yu did not explain it carefully, they would be like listening to the heavenly book. Even if they explained it carefully, they would not be able to understand it for a while.

Zhang Yu would not teach others mathematics every day. He has never been a teacher. His current mission is to complete the tasks assigned by the strongest boss system. Moreover, the explanation is under Zhongmu City, and Zhang Yu is still fighting with the rebels.

Late at night, Cai Yong and Shen Tu Pan were about to leave.

Zhang Yu personally sent them out of the camp.

At the entrance of the camp, Cai Yong bowed to Zhang Yu and said, "When I was a young man, I studied under the Grand Tutor Hu Guang. In my early years, I was inspired by Dongfang Shuo's "Kewan" and Yang Xiong, Ban Gu, and Cui Qi, and determined to learn from the words of hundreds of schools. Now I have been taught by the general of Zhenguo, which made my thoughts fly. I have a lot of books, more than a thousand volumes. My main goal is to record the history of the previous dynasty and the current dynasty in my lifetime. When I was studying the history of the book, I still have many books to proofread and write many articles. I am interested in everything, but my life is limited. I really want to borrow time from heaven to let me live a few more years and fulfill my wish!"

Zhang Yu couldn't help but feel emotion when he remembered that Cai Yong would die in prison and his daughter would be captured by the Huns. He could not tell Cai Yong the truth, so he could only give a little hint. Zhang Yu nodded and said, "Yes! I have to learn from Shen Gong. If I could always hide in mountains and rivers, regardless of the troubles in the world, I would have done more things. Life is short, and the plants and trees are born in chaotic times. It is difficult to think about it but my wishes are difficult!"

Zhang Yu asked Zhao Zhen to lead 100 cavalry to escort Cai Yong and Shen Tu Pan to Yangdi.

At this time, Yangdi had become another cultural center outside Luoyang, bringing together a large number of scholars. With Chen Shi in Yangdi, he was the master respected by the scholars. Yangdi is the headquarters of Zhang Yu Express Company. The paper mill has begun to take shape and various agricultural tools are leading the way. It is not only unprecedented in planting crops, but also has extremely high yields. Cai Yong returned from Jiangdong, but he was unwilling to accept it until Yangdi left.

Zhang Yu sent Cai Yong's disciple Zhao Zhen to escort him personally, making Cai Yong and Shen Tu Pan very grateful.

Making friends with famous scholars is the most important task that Zhang Yu attaches most attention at present. Zhang Yu not only has dazzling achievements in suppressing bandits, but also founded a courier company. He is the driving force of the business activities of the Han Dynasty, and the son-in-law of Chen Da, the leader of the master of scholars from far and near. He is currently the general of the country, the leader of the big family alliance, and the marquis of Wuyang County, with a halo. Zhang Yu is a legendary angel with supernatural powers. Who doesn’t want to make friends with Zhang Yu?

As the "Basic Mathematics" compiled by Zhang Yu himself was copied and spread, Zhang Yu's fame continued to spread to various places with this book.

As a scholar, if you don’t have a copy of “Basic Mathematics” in your hand, you will not dare to speak.

Regarding this, Zhang Yu did not deliberately do it. He was inspired by the invented defeat by the Zhongchang Shi Bi Lan, and learned from it.

After seeing off Cai Yong and Shen Tu Pan, Zhang Yu returned to the tent and talked to Fang Shuoshi'a.

Fang Shuo said: "Lord, rebels have escaped from Xingyang, and rebels have escaped from Zhongmu City."

Zhang Yulang smiled and said, "It's great! I guess He Miao will come to this area tomorrow afternoon. We will strive to enter the city tomorrow morning."
Chapter completed!