dream of red mansion

Chapter 50 Jia Qing's Mathematics Enlightenment

Seeing that there was no more qualified pair, Luzhu showed a disappointed expression on her face, and said: "In that case, then Mr. Hou and Mr. Feng from upstairs will enter the second round of competition."

Although the others were not reconciled, their skills were not as good as others, so they had no choice but to do so.Let go of your mind and listen to what kind of question is the only second question in this answer.

Only Lu Zhu said: "My lady's second problem is a math problem, from one to one hundred, the one that takes the least time wins!"

Jia Qing was surprised for the second time today. First, Hou Hu popped up the word "handsome guy", and now this fairy girl threw out such a "classic" topic.This question, probably a modern sixth grader can give the answer in three seconds!

It's a pity that the people present certainly didn't know Gauss. After hearing the topic, they first calculated silently, and after knowing the difficulty, they immediately went to find an abacus and pen and paper.

The lobby was in chaos, and Hou Hu immediately wanted to go down to look for auxiliary tools. At this moment, Jia Qing said: "Brother Hou, don't worry, I'll give you an answer and you can try it!"

Xie Guowei and the others were surprised: "Brother Jia has such a magic trick?" Hou Hu also said: "Reliable?"

Jia Qing smiled slightly and said, "Five thousand and fifty, as long as you try it, it won't take long."

Hou Hu's face showed hesitation, but he immediately said with a desperate look: "Okay, I believe Brother Jia once!" Then he shouted into the lobby: "Five thousand and fifty!!"

There was a silence in the lobby, and then many questioning voices sounded.

"So fast? Impossible, he is blind!"

Mr. Feng also said loudly: "Brother Hou is so eager to give the answer. Could it be that he gave up this opportunity and deliberately let Feng Mou?" The voice was full of jokes.

Unexpectedly, Luzhu's voice overturned everyone's thinking at this time: "How does Mr. Hou know the answer? Did he calculate it before?" Luzhu's voice was also shocked.

Everyone couldn't believe it at first, and then they also felt that it was Lu Zhu's guess. Although they felt that Hou Hu's shit luck was too much, but after that, they all felt that they were not wronged. What a boring person must be to be so boring thing!
In the private seat where Jia Qing was, more than a dozen eyes were staring at him, the gazes in the eyes were so unbelievable.

Xie Guowei said: "Did Brother Jia really calculate this problem before?" Besides, it was really hard for them to accept that people's calculation ability can be so strong!

Jia Qing said: "That's not the case, it's just that there is still a way in it, let me slowly explain it to you..."

At this time, the girl from Luzhu came up to ask Hou Hu to meet with her young lady, so Hou Hu had to go first.

After that, Jia Qing explained to Xie Guowei and others what the "Gauss algorithm" is, and everyone present suddenly realized and praised it.Many skills become very simple once you know them, but before you figure them out, they feel as difficult as skyrocketing.

While everyone was discussing other techniques of counting with Jia Qing, Hou Hu slowly returned to the private seat with a mournful face.

Qi Chengwu said: "Brother Hou, a good night is worth a thousand dollars, why do you come back here with a sad face? Could it be that you left the beauty and came back to have wine with us?"

……

In an elegant residence on the second floor of Yanyu Building, Luzhu said to a woman wearing a veil, "Miss, why did you expel Mr. Hou?" She was guarding the outside before, and she really didn't know what happened inside.

"Hmph! You still have the guts to ask me, I told you to choose a talented person, but you actually called me an idiot to come in! Hearing him speak, I have the urge to beat him up!"

The woman with the veil is Miss Xian'er, at this moment she clenched her fists tightly and said angrily.

"No way, I did exactly what the young lady ordered. That Mr. Hou did answer both questions correctly. Moreover, he answered the second question almost instantly."

Xian'er was surprised and said: "How is it possible?! No, that would show that he is an idiot. I asked him how to answer the second question earlier. Do you know what he said? How can he brag about having a magical brain? There is no question in the world that he can't understand... You know, it took me half an hour to figure out the answer when Miss Ben was idle and bored. I thought he was just bragging Fa Luo, I didn't expect him to be such a real idiot!"

Lu Zhu was puzzled when she heard the words: "Then what is the solution to the question he answered?"

"Hmph, either he really had shit luck, and he did the calculations before, or there are some experts around him! Maybe there is another way to answer this question."

Luzhu's eyes lit up, and she said: "That's right, that idiot... Mr. Hou seems to have three or four people in scholar's uniforms around him, and they all look extraordinary. A few of them are also sons of other big clans."

Xian'er said affirmatively: "That's right! It seems that Crouching Tiger, Hidden Dragon is indeed in Beijing, and there are people who are so indifferent to fame and wealth, they actually look down on Miss Ben, and deliberately let an idiot play tricks on me!"

If Xie Guowei and Jia Qing knew that they had unintentionally offended Miss Xian'er, how would they feel?One of them is hindered by the beauty of a beautiful woman, and the other is restricted by age, which determines the beauty of adults.Not Liu Xiahui!
The more Xian'er thought about it, the more she felt that this person was irritating, and she decided to think of a way to vent her anger!So he said to Luzhu: "You arrange two smart people to stare at them now, and it is best to find out what they are talking about. I want to know who is the one who answered my girl's question correctly but is still unwilling to come to see my girl." Mad man!"

"Yes, ma'am."

……

On Jia Qing's side, everyone was comforting the injured Hou Hu, but everyone knew that they had cheated before, and no one said that they wanted to seek "justice" for Hou Hu.

After all, Hou Hu was naturally optimistic, and after a while, he said harshly: "Isn't it just that you look down on Master Hou for his lack of literary talents? One day, I want, I want..." Thinking of the hardship of studying, this guy didn't say the cruel words .Seeing that Hou Hu was no longer uncomfortable, and everyone no longer cared about him, they continued to ask Jia Qing for advice on arithmetic.

Ruyan said: "Young Master is really a great talent. If you follow the method of Young Master, it will not only be easy to add from one to one hundred, one hundred to one thousand, and one thousand to ten thousand, but even to add any continuous numbers. , can you quickly figure out the answer?"

Xie Guowei added: "Indeed, this can be regarded as a great talent, even the math masters in the academy may not know this algorithm!"

Jia Qing also realized that Chinese people's knowledge of mathematics is too weak at this time, and they don't pay enough attention to it. It is even lucky that the calculations can be retained by the Imperial College, because there is still a household department in the court that needs to use calculations, otherwise, it is estimated to be even worse. .

Therefore, he decided to spread some mathematical cultivation to the people around him, even if the effect was minimal, it was better than nothing.

"In fact, it's not just continuous numbers that have such a simple algorithm. Many other numbers with certain rules have a simple algorithm, as long as people sum it up carefully, such as..."

……

(End of this chapter)