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Chapter 93 The Road to Fortune Gongsun Jianwu

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    We all know that the triangular relationship between three strands, four strings and five is called the Pythagorean theorem, also known as the Pythagoras theorem.  China discovered the Pythagorean Theorem as early as the Shang and Zhou Dynasties, and the discoverer was named Shang Gao. Therefore, China called the Pythagorean Theorem "Shang Gao Theorem".

    It is said that Dayu used the Pythagorean theorem to control water, and he was able to "control floods and rivers, look at the shapes of mountains and rivers, determine the strength of the mountains and rivers, eliminate monstrous disasters, and make the East China Sea flow into the East Sea without the risk of drowning. This Pythagorean principle is related to  Life." Ultimately benefiting the common people.

    We can tell the three-sided relationship of the Pythagorean Theorem without even thinking about it. We just want to ask why is this relationship?  It will definitely be difficult for people because we use it as an axiom.

    China discovered it during the Shang and Zhou dynasties, but it was not until the Three Kingdoms that it was proved by Zhao Shuang, a mathematician from Wu State. The difficulty can be imagined.  Zhao Shuang proved the Pythagorean theorem by using methods of truncation, cutting, spelling and complementing, and was the first mathematician in Chinese history to prove this proposition.

    The proof method Chen Wanrong saw was simple and clear, with few steps, and was similar to the famous "Garfield" method.  Garfield's method is very simple, and it omits many unnecessary steps compared to previous proof methods. There was such a similar proof method as early as the Tang Dynasty, and Chen Wanrong would have been surprised.

    "Brother, what are you looking at?" Chen Zairong glanced at the piece of cloth hanging on the tree in front of him, and explained to Chen Wanrong with a smile: "Brother, ladies and gentlemen come to the Wei River to chat and occasionally do other things.  Things include painting, composing poems, and cultivating one¡¯s sentiments.¡±

    The social status of women in the Tang Dynasty was relatively high. Wu Zetian, Shangguan Wan'er, and Princess Taiping discussed politics in the court, setting a trend for their generation.  Ordinary scholars and women cannot sit high in temples like them. When they go out to play, they find something to do when they meet someone they can talk to. They chat about the mountains. In one sentence, they have nothing to do after they are full. How to pass the time and play, Chen Zairong said.  Gotta be a little contemptuous.

    Chen Wanrong pointed to the piece of cloth: "Have you seen how simple and clear the proof of Shang-Gao's theorem is? What kind of brain does this require?"

    "Isn't it obvious that hooks are three strands, four strings and five?" Chen Zairong is not a science major and has not yet understood how difficult it is to prove the Pythagorean theorem.

    Chen Wanrong asked back: "Why do you hook three strands, four strings and five, instead of hooking three strands, four strings and six?"

    Chen Zairong suddenly asked a question with his mouth wide open. He couldn't close it for a long time. He was stunned for a long time and then said: "Brother, why is this?"

    "Look, the answer is written on the cloth." Chen Wanrong pointed to the piece of cloth.

    Chen Zairong tilted his head and looked at the piece of cloth. He was confused about the triangles and lines. He touched his chin blankly: "Brother, I can't understand."

    This requires profound knowledge of geometry. Chen Zairong specializes in poetry and calligraphy, and occasionally does point math problems. It is normal that he cannot understand it. Chen Wanrong does not take it seriously: "This proof method is very simple and clear. The person who proved it must be a  What a genius!"

    Chen Wanrong has studied advanced mathematics and can solve calculus. He thinks that his understanding of mathematics is one and a half better than that of people in the Tang Dynasty. Now he has no such idea at all. He feels ashamed and feels respect for himself.

    Chen Wanrong was so excited when he discovered this kind of proof in the Tang Dynasty. He glanced at the lines with his eyes. If the lines were magnets, his eyes would be the iron blocks attracted by the magnets. He looked at them carefully.  , no detail was spared.  Suddenly, Chen Wanrong seemed to have discovered something. He hurriedly took out a piece of paper from his arms, opened it, looked at it, and then looked at the piece of cloth. He was very surprised and said: "It turns out to be her!"

    Chen Zairong didn¡¯t understand what he heard: ¡°Brother, who is it?¡±

    Chen Wanrong pointed to the paper in his hand and explained: "Zairong, look, are the handwriting on the last four lines of this picture the same as the handwriting on the piece of cloth? They are the same person!" This picture is the tree planting that Wu Jing gave Chen Wanrong.  Chen Wanrong always wanted to know who the woman who drew the sixteen lines was, so she kept this picture with her.

    Chen Zairong compared it carefully and said in surprise: "Yes, it's the same person! Brother, please ask who it is."

    Even if he didn't say anything, Chen Wanrong knew what to do. He asked a woman in her twenties next to her, "Miss, who is the expert in solving this problem?"

    This woman did not answer Chen Wanrong's question, but looked at Chen Wanrong: "What are you asking her for?" The corner of her mouth curled up with a bit of disdain.

    She regarded Chen Wanrong as the kind of prostitute with bad conscience. How could Chen Wanrong be in the mood to defend her and lied: "I am her cousin. We made an appointment to meet here, but I didn't find him."  Not like her."

    "Are you her cousin?" The woman giggled: "That sister is so beautiful." The implication was very clear, that Chen Wanrong was too ugly to be her cousin.

    &?Explained: "I saw my sister dancing with a sword, and she was so agile. My mind suddenly became enlightened, and I understood the principles of swordsmanship that I had not figured out before. Please don't laugh at the things you don't understand."

    Zhang Xu is good at cursive calligraphy, but has not made any progress after years of practice.  One day, I happened to watch Aunt Gongsun's sword dance. I suddenly understood it and made great progress in cursive writing, earning the reputation of "Cursive Sage".  Unexpectedly, Chen Zairong watched the sword dance for a while, and his sword skills improved greatly. Chen Wanrong was secretly surprised.

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    "You are the smartest person I have ever seen!" The woman was very happy and said: "Let's dance again. However, this time it is something you have never seen before. I dance in the head, and you join with the sword from behind.  ."

    This is like a test question. A woman draws a sword and Chen Zairong cooperates. It is very difficult.  Furthermore, this is a peerless sword dance that must be both beautiful and masculine, as well as ornamental, majestic, and pleasing to the eye. The requirements are simply harsh.

    "Okay! Sister, please!" Chen Zairong thought for a moment and nodded in agreement.

    The woman was originally testing Chen Zai Rong, and then such a problem came up. Unexpectedly, Chen Zai Rong actually agreed. She was surprised and happy, and said: "I draw the sword!" The bright wrist turned, and the sword light suddenly appeared, winning  There was a chorus of applause.

    Chen Wanrong was very interested in watching the sword dance, but he didn't know that Duan Hui had entered Ma Zhizhong's room.  (To be continued. If you want to know about the funeral, please log on to www.qidian.com. There are more chapters. Support the author and support genuine reading!) (Remember the website address: www.hlnovel.com
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