Zhenguan Wenzong System

Chapter 233 Just Want This Effect

Ternary linear indeterminate equations?Is it easy to understand?

For Luo Yan, it is really easy to solve.But the premise is that I am facing a group of people who have received high-end education in later generations.What embarrasses him now is how to express the solution of this problem in the words of the Tang Dynasty, and at the same time make it understandable to others.At least, it is for Zhang Tong to understand.

Fortunately, there is no time limit for thinking in this competition, which makes Luo Yan feel a little relaxed, otherwise he will cry to death.

With hands behind their backs, pacing in front of the case.In my heart, I was thinking about how to explain in the clearest and most concise words.

It's time for a cup of tea.

Two cups of tea...a stick of incense...

The time dragged to the back, and the people who had been quietly waiting for Luo Yan to show his power to solve this problem were already impatient.

"Dr. Luo, is that okay? If not, hurry up and move on to the next question. I came here to watch the excitement without having lunch. Are you worthy of us spectators for delaying the time like this?"

"Yeah, procrastination is not the best way to solve the problem. The best way is to admit defeat directly. In this way, hello, hello, hello everyone."

"Dr. Luo, the students of the state school called you to go back and give lectures."

One by one, they knew they were talking nonsense right now.Obviously everyone took the initiative to come up to watch the excitement, and went to eat when they were hungry, no one stopped them.The students of Mingming State University were all watching at this time, who told Luo Yan to go back to give lectures.As for the one who called Luo Yan to admit defeat, he didn't have any good intentions.The famous Luo Yan conceded defeat, what a joyful thing this is.

Luo Yan felt a little bit pained.I was in a hurry, and I really wanted to say that you can do it, you can do it.But if he really said this, his reputation would be completely ruined.

However, after such a long time, Luo Yan is not without gains, and at this moment, he just thought of a way.Isn't it just exchanging yuan and substitution, isn't it just delineating restrictions, isn't it just making up numbers?I, Luo Yan, still can't handle you?
He stopped, turned around, and said to Zhang Tong: "Maybe you don't understand my method, my suggestion, you pick up your pen at this moment. What do I say, what do you write. When I finish speaking, if you finish reading three If I can’t understand it all over again, then I lose.”

Some people who know a little bit about arithmetic have opened their mouths at this moment. What kind of situation is this? Luo Yan dares to make such a big deal. "Quick, whoever has a pen and paper, please lend me one." There were dozens of voices borrowing pen and ink from the crowd, and these people looked at each other, their faces becoming serious.

If what Luo Yan said is true, it means that the hundred-chicken problem that has not been solved for hundreds of years now has a clear solution.This meaning is not only for mathematics, but also for other engineering problems can be solved a lot.Once the solution is verified to be effective, it will be completely confirmed that Luo Yan has the strength of a master of mathematics.From a rookie to a master, it's just a matter of time.

Naturally, Luo Yan also heard the shouts of these people, nodded to the crowd, and said, "Alright, you can come and have a look later."

In a short time, seeing that these dozen or so people had prepared pens and inks like Zhang Tong, Luo Yan read: "A rooster, a hen, and a chick."

This is a brand new solution.Luo Yan just read such a sentence, which confused the dozen or so people who knew how to do it.But he didn't ask too much, and continued to listen to Luo Yan's words and recorded them verbatim.

"A, B, and C are added together to get a hundred. This is one formula. Five A plus three B plus one third of C get a hundred. This is two formulas. The two formulas are multiplied by three and then subtracted from one formula. Seven A plus four B get a hundred. ... Then use Four Dings replace one A, and finally B is 25 minus seven Dings, and C is 75 plus three Dings....Therefore, three groups of solutions are obtained."

It is really not a simple matter to replace Roman numerals with Chinese.Rao Luo Yan deliberately slowed down the speed of speech, and it took a stick of incense for the recorders present to record all the solutions.

While the others were still holding papers and discussing with each other, Zhang Tong walked out of the desk, bowed to Luo Yan, and said, "Dr. Luo's solution is unheard of, but after gradually verifying it, it is actually not bad at all. Zhang admires it. "The implication is that Luo Yan was right.

It turns out that the Zhang family's research on this topic has only made preliminary progress, and they are still exploring according to some methods in "Ji Gu Suan Jing".In other words, in fact, Zhang Tong himself did not have a clear solution. What he had in his mind was just a general idea.

Just when Zhang Tong paid respects to Luo Yan, two or three of the dozen or so onlookers stood up, bowed to Luo Yan, and said, "Dr. The general solution has no flaws. Such a method is really unprecedented. I admire it."

More people didn't know what Luo Yan was talking about, but after listening to these people's flattery, they only knew that Luo Yan was even more powerful now.The teasing and teasing just now was gone, and I just followed the few people in front to keep congratulating.

But it's not over yet.

"Okay, I'll save my congratulations for later. I'm going to come up with a question next, Zhang Tong, you have to listen carefully." Luo Yan won't think that this time he's a winner just because he solved this question.Anyway, these are all questions posed by Zhang Tong. He solved it by himself, but he didn't lose.If you want to be a foregone conclusion, you have to make it difficult for Zhang Tong.

Zhang Tong naturally knew what was going on, he had put away his pride a long time ago, but now hearing Luo Yan's words, there was only a wry smile on the corner of his mouth.Then he didn't say anything, bowed again, and then returned to his case.

But at this time, his fighting spirit was gone.My ancestor's question was solved by the peer in front of me, and the other party asked me to answer the question again.Obviously, I am a disciple of myself.Originally, I thought that there would be some objections from my family, but at this moment, because Luo Yan solved the problem, it became unimpeded.I'm afraid that when the time comes, my father will happily send me to Luo Yan, and let me learn from him by pressing my neck.

In Zhang Tong's wild imagination, Luo Yan read out his own question.

"Today there are pheasants and rabbits in the same cage. There are 35 heads on the top and 94 feet on the downstream. Ask, how many pheasants and rabbits are there? There must be more than four solutions to this problem."

This frightened even the knowledgeable people.I thought that Assistant Professor Luo was really bold to take out the old question in "Sun Tzu's Mathematical Classics" to test Zhang Tong.Those who study mathematics today do not know the name of this topic.As the oldest book of arithmetic, the problem of chickens and rabbits in the same cage, not to mention them, is the common people onlookers, and even those who are illiterate know this topic.

So someone among them asked, "Isn't Dr. Luo's question too simple?"

After glancing at the man, Luo Yan turned his gaze to Zhang Tong, and said flatly, "I want more than four solutions."

After hearing Luo Yan reiterated his request, Zhang Tong's expression changed immediately.

Nowadays, there are at most three solutions to the problem of chickens and rabbits in the same cage.Originally, there were two types in "Sun Tzu's Mathematical Classics", and later people extended one type through these two methods.But hearing Luo Yan's meaning, it is obvious that there are other solutions, and there is more than one solution.Looking at Luo Yan in shock, Zhang Tong did not give up exploring new solutions.Since Luo Yan is so sure, then there is.Why can't he figure it out when he can figure it out?

With a little dissatisfaction, Zhang Tong carefully recalled all the methods he had learned, trying to find a novel solution by analogy.

The scene that embarrassed Luo Yan just now was repeated on Zhang Tong.After experiencing what happened to Luo Yan, the people onlookers were afraid of being slapped in the face by Zhang Tong, so they stopped urging them now, and just quietly watched Zhang Tong writing and drawing.

Before you know it, the time has come to Shen Shizhong.At this moment, more and more people gathered around the gate of the state school, and the bored people began to explain to the newcomers what happened just now. Of course, due to limited knowledge, the questions and answers given by both parties had to be skipped, and the results and answers were compared. These have been said hastily when I used it.

Almost half an hour has passed since Luo Yan came up with the question.As the sun moved, the air was also a little chilly.But at this moment, Zhang Tong's face was flushed, and his forehead was even more moist, as if he had drunk too much old wine.Everyone knows that Zhang Tong is stumped.Creating a new solution in a short time is not as simple as a child throwing a counting chip on the ground and picking it up again.

Hundreds of years have passed, and people have just found a new solution.It is really impossible for Zhang Tong to find one on the spot at this moment.

After a long time, looking up, Zhang Tong stared at Luo Yan with red eyes and said: "This round, I admit defeat. However, using a new solution to embarrass others is really too much. The four methods are not so easy to find." The voice of speaking was actually a little hoarse. "Since I admit defeat, Dr. Luo should also announce your answer. I want to hear if you really found four."

Luo Yan chuckled: "If you want to hear it, I'll tell you."

"This question comes from "Sun Tzu's Suan Jing", including a method discovered today, which I collectively call the method of removing the head and chopping the feet. I won't go into details. Next, I will talk about the three new methods .”

Inheriting his usual style, the words are amazing.At this time, someone in the crowd suddenly exclaimed: "What, three, you take it as your recruiting students from the state school, and you can have as many as you want."

"Impossible, this Luo Yan is bragging again. Three methods, where did he come from?"

Luo Yan knew that you didn't believe it, and Luo Yan continued: "The first method is also an extension of cutting off the head and feet. I call it the hypothetical method. What if it's all chickens, what if it's all rabbits? There are always more chickens than rabbits." If you calculate the difference between two feet, you will know how many rabbits there are."

"The second method is to have A rabbit. The third method is to have A rabbit and B chicken. This method, as I said when I explained the problem of a hundred chickens, is the "Ji Gu Suan" In the Sutra, there are already similar ideas. You just limited yourself to the previous thinking, if you think about my solution carefully, how can you not find even one of them. "

In a word, Zhang Tong was dripping with sweat.This is black under the lights, absolute black under the lights.Who would have thought of using your method to solve this problem.For a moment, even the onlookers were overwhelmed by Luo Yan, as if he was the disobedient student who was severely reprimanded by the teacher.

But Luo Yan laughed secretly in his heart at this moment, you are not convinced?Why are you not stubborn now?I want is this effect.

　Recommend a book: Accept famous generals, Na'vi people, everything is in "I Live Live in the Three Kingdoms".

　　
　
(End of this chapter)