Back to The Three Kingdoms, I am The Master

Chapter 101: Jiugongge

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Although Liu Xin is now in a high position, his starting point is much higher than that of Cao Cao, Liu Bei, and Sun Jianlai in history, but he knows in his heart that truly wanting to dominate the world is not something that can be achieved overnight. Historically, Yuan Shao was stronger than Cao Cao, but he was defeated by Cao Cao; Cao Cao was stronger than Liu Bei and Sun Quan, but he came home in Chibi. There are still many examples of this kind of battles where the weak defeats the strong. There are many reasons why the strong side loses, but they have one thing in common, that is, they lack a clear head.

Moreover, Liu Xin’s focus is not only on conquering the heroes and reigning over the world. He also has his own more long-term goals. The grasslands in the north and the vast sea. These troubles have bound the malignant tumors of the Han nation for thousands of years, even if it can’t Cut off your own hands, at least to lay a solid foundation for future generations.

Since the New Year, Liu Xin's series of measures can only be regarded as a short-term plan, and to achieve his ambitious goals, the most needed people are talents! Although Liu Xin had thought about setting up institutions such as recruitment institutes, he understood that the true heroes of the Three Kingdoms struggle for hegemony in the past 100 years had already come to the fore, and their names would inevitably be recorded in the annals of history. Liu Xin, who came from one thousand eight hundred years later, was already familiar with not only the names of these people, but also their personalities. Even if there are one or two talented people who have been buried, Liu Xin doesn't know their situation, it doesn't matter, just treat them as slippery fish. Moreover, if the recruitment institute is established now, it is easy to arouse the emperor's suspicion, which will obviously outweigh the gains. Therefore, as soon as this idea came out, it was immediately rejected by Liu Xin.

Liu Xin now puts all his hopes of cultivating talents on the Xiangyang Academy. This old gentleman Cai Yong is indeed not simple, he himself is a university inquirer. In his fifties, he has passed the year of knowing the destiny, but he is still thirsty for knowledge. He is not only interested in the mathematics taught by Ma Yun, but also the knowledge of astronomy that Cai Yan learned from Ma Yun. . He is indeed the best candidate to preside over the college.

Soon it was the beginning of the new semester. Liu Xin wandered to Cai Mansion. He wanted to see how Cai Yong was preparing. Cai Mansion is only a short distance away from Liu Xin's Zhou Mu Mansion, but Liu Xin is the first time he has visited.

Hearing that Liu Xin was coming, Cai Yong hurriedly greeted him and said, "Master, why are you here."

Liu Xin smiled and said, "We have been neighbors for a long time, and we haven't come to hang out, so today we came to see the old gentleman."

Cai Yong greeted him in the door and whispered in his heart. He used to think he meant something to Cai Yan, but he never heard him directly express it, and I don't know if he came today for this.

But Liu Xin said: "Bo Xie, school will start in a few days. The last semester is relatively short, but this year is a complete semester. How are you preparing? Are there any difficulties?"

Seeing that Liu Xin had made a special trip to understand the situation of the academy, Cai Yong temporarily took his thoughts back. He was very concerned about the academy and said without hesitation: "There are no problems in other aspects, but Madam Ma’s body is not very convenient. I can’t do this this year. Let's teach the students mathematics again. The mathematics taught by Madam Ma is quite different from what Lao Yu has learned in the past. For a while, she couldn't find a suitable replacement, and Lao Yu was worried about this matter."

Liu Xin couldn't help laughing. Cai Yong really couldn't solve this matter. If you asked him to search the entire Han Dynasty, he couldn't find a second person to replace Ma Yun to teach mathematics and science. Fortunately, Ma Yun's teaching has only started for only two months. Liu Xin is still able to perform these simple four arithmetic calculations, so he said: "Don't worry about this. It's really impossible. I will teach them personally."

Cai Yong knows Liu Xin's martial arts skills and admires his knowledge in poetry and prose. He didn't expect that he still knows mathematics and science, and said in surprise, "Mathematics and science taught by Madam Ma are profound and profound. Isn't the lord also good at this?"

Liu Xin said modestly: "I just know a little bit of fur, but there must be no problem in teaching children. Besides, I can go back and consult my wife if I encounter a problem."

Cai Yong hesitated and said, "It's just that the lord's affairs are busy, I'm afraid I can't spare time."

Liu Xin waved her hand and said, "No matter how busy it is, it can't affect the children's study. It can still be taken out from half an hour to one hour a day."

Cai Yong saw that his most worrying problem was unexpectedly solved, and said happily: "That's great, so that the academy will have no other problems."

At this time, Cai Yan suddenly turned out. She now runs to Zhou Mufu almost every day to listen to Liu Rui telling stories. In fact, there is another reason for wanting to see Liu Xin. After the New Year’s Eve, Liu Xin is now focused on Jingzhou affairs during the day. There is very little time at home. Now, Cai Yan knows that Liu Xin is coming to her house, so she walked quietly to the front hall and kept hiding behind the screen to eavesdrop. He was surprised to hear that Liu Xin was also well-versed in mathematics. He came out and said: "It turns out that the adults are also proficient in mathematics and science. There is a problem here for the citizens. I don't know if the adults can solve it or not?"

Cai Yong was very conflicted about his daughter meeting Liu Xin, and hurriedly scolded: "Yan'er can't be rude!"

"Mr. Bo Xie, it's okay." Liu Xin stopped Cai Yong while feeling deeply embarrassed. He knew that Cai Yan was a talented woman. The problems in the eyes of talented women may not be difficult for ordinary people, but they are not easy to retreat, so they have to be hard. Scalp and said, "Liu is ashamed. He only knows a little bit about mathematics and theory. I can't talk about proficiency. I don't know what problem Ms. Cai has. Why not tell me and listen. I can't guarantee it."

Cai Yan took out a piece of paper, handed it to Liu Xin, and said, "It's the question on the paper. The girls racked their brains and still couldn't solve it."

Liu Xin took the paper in her hand unconsciously, and when he took a closer look, there was a nine-square grid drawn on the paper, and his heart could not help being determined. Although Liu Xin dropped out of school since childhood, it was because of a sudden family change. In fact, his original academic performance was quite excellent. Jiugongge is also called Sudoku in later generations. Liu Xin liked this aspect when he was a child. When he grows up, he often does some Sudoku to solve boredom when he is free. Unexpectedly, when I came to the Eastern Han Dynasty, someone would come to ask me about Sudoku. Liu Xin felt very kind and confident, and said, "Mr. Bo Xie, please borrow pen and ink."

Taking the brush from Cai Yong's hand, Liu Xin spread the paper on the table and began to write. After a moment of effort, Liu Xin gently put the pen aside and said: "Okay, miss, see if it's correct?"

Cai Yan picked up the piece of paper and couldn't help covering Liu Xin's words and laughed. Although Liu Xin had practiced calligraphy for a few days when he was a child, after so many years, he didn't know where to lose that level. In the Eastern Han Dynasty, he dictated everything and then polished it by Jushou. Although only the numbers from one to nine are written on this paper, they are all in traditional characters, which is really difficult for him.

Old Liu Xin blushed and said nonchalantly, "Yes, I do have some words..."

Cai Yan had stopped laughing, his eyes widened, showing an incredible look, and said in surprise: "My lord has really figured it out."

Hearing this, Cai Yong grabbed the piece of paper and looked at it carefully, and it was not bad at all. It was just that the word was written a little bit differently, and he couldn't help but shook his head.

Seeing him shaking his head, Liu Xin hurriedly asked, "Bo Xi, is there anything wrong with my explanation?"

Both of their father and daughter are great calligraphers. Liu Xin's hand-crawling calligraphy is naturally inaccessible to them. Cai Yan already knows the meaning of his father's shaking his head, so he smiled and said, "No, no. It took three days to solve what I saw in the ancient book, but I didn't expect it to be solved in a moment."

Liu Xin also smiled and said: "This kind of nine-square grid game, I used to use it for recreation when I was in a small mountain village, and it is not unusual to solve it occasionally. There are also many types of nine-square grid, like this is called the standard nine square grid. In addition, there are diagonal nine square grids, number ratio nine square grids, window nine square grids, and one of the most difficult to understand is called killer nine square grids."

Cai Yong's father and daughter did not expect that there are so many tricks in each of the small Jiugongge, and they were immediately attracted by his words. Cai Yan blurted out and asked, "I don't know which small mountain village the adult lived in?"

Liu Xin was stunned by her question, and he responded very quickly, and immediately replied: "Oh, my wife and I used to live in a small place called Global Village."

"Global Village!" Cai Yan cried out in surprise, "I heard my wife say that this land we live in is called the earth, and the earth always revolves around the sun. Why is it called the global village alone?"

Liu Xin secretly cried out, this Ma Yun would really mess around, there was nothing to promote what "heliocentric said" what to do. Just now, she lied casually, but she didn’t expect this little girl to be more truthful. As the saying goes, it takes ten for one lie Lie to go round, how can this be good? Liu Xin hesitated twice, and suddenly became wise, and said, "This, the thing is like this. Miss also knows that most people think that the earth is flat, and the sun rises from the east and sets in the west. But we are in the global village. People think that the earth is round, the sun does not move, and the round earth revolves around the sun every day."

Cai Yong had never heard of the theory of "heliocentric theory", so he said in a puzzled manner: "No, the earth is obviously flat. If the earth is round, how can one stand on it?"

Cai Yan had heard Ma Yun explain this problem. Although she didn’t understand too much, she was very willing to be the teacher of her father. So she said vigorously: "Father, I know this. Madam once told me that between objects and objects There is a force called universal gravitation, so people and other things are attracted to the earth."

Speaking of this, Cai Yan seemed to think there was something wrong, and said, "It doesn't seem to be right. Look at me and the adults standing so close, if there is any gravitation, why didn't they draw together?"