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Liang Xiao's heart moved and suddenly realized a problem.

Liu Ling said it right. It is indeed not easy to make meritorious and titled a marquis through his own efforts. Li Guang was difficult to be named. Perhaps there was a problem with his own personality, but Cheng Bushi and Han Anguo were not able to be named a marquis in their lifetime, so I am afraid that he could not explain it by bad luck.

Emperor Gaozu of Han, Liu Bang, had a White Horse Alliance: He could not be granted a title of marquis without merit. It was a major event and required extraordinary merit. In the early Han Dynasty, he inherited the Qin system and had military merits, but it was difficult for ordinary soldiers to reach a middle-class title like Gongsheng throughout their lives, and they were even more than 100,000 miles away from being granted a title of marquis. Li Rongqing's father Li Yunming had extraordinary strength, and was only a seven-level doctor, and was the ninth level of the twenty-level title. For ordinary soldiers, it was already a rare high title.

Zhongliqi was even more indifferent. After more than ten years of fighting, he suffered a lot of injuries and did not even get a single public vehicle.

It is easy to obtain an official position, but difficult to obtain a title. For most people, being a marquis is a fantasy.

Wei Qing and Huo Qubing were granted the title of marquis for their military merits, and their subordinates also had many marquis. But in the final analysis, that was because they were relatives of the foreigners. If they were not for the relationship between Wei Zifu, even if they had military talent, they might not have been able to be granted the title of marquis so smoothly.

Li Guang and Cheng Bushi may become a foil, let alone him.

It has to be said that relying on the powerful is a shortcut to the title of marquis, and it is likely to be the only possible shortcut. What is Li Guangli's ability? It was not because his sister Mrs. Li was favored to be appointed as a general. Before this, he had no military achievements.

But who should I rely on? This is the most troublesome problem for Liang Xiao. I won’t talk about the King of Huainan in front of me. This is a fire pit. If you jump down, you will only cause anger. What about the others? As Liang Xiao remembers, it seems that they are similar to the King of Huainan. No one has a good ending, including Tian Fu, who is now in power, the Wei family, which is about to be prosperous soon, and the Li family later. Which one is not a fire pit?

Choosing the object to be dependent is a very profound knowledge. Even if Liang Xiao has a priori memory, it is still difficult for him to find a perfect path. After thinking about it, it is more reliable to struggle by himself. Although it is difficult, at least he will not be implicated.

My mother, your expectations are so high, and the pressure is huge.

Seeing Liang Xiao's face changing, Liu Ling thought Liang Xiao was moved by her and felt a little more sympathy. "Liang Xiao, think about it carefully. If you have any intention, come to Huainan Mansion. I have been in Chang'an recently, and you can come to me at any time."

"Thank you, Lord Weng." Although Liang Xiao did not want to enter the Huainan Prince's Mansion, he could not help but be moved by Liu Ling's affection and gave a deep gift.

"Well, let's not talk about it anymore, think about it yourself." Liu Ling called Deng Guobin. "This is a disciple of my mansion, a descendant of the Mo family, and is proficient in mechanical techniques. He has a deeper study of Qianqiu than me, and I have always wanted to discuss it with you. When you went to Guangling, you came to Chang'an with the scheming official. I originally thought you would stay in Huainan for two days, but I didn't expect that you had been to Huainan and failed, so he waited for a while in vain."

Liang Xiao smiled embarrassedly. It was probably not only Deng Guobin who was waiting for a while, but also Liu Ling in front of him. Her eyes were very wrong. She no longer looked like a visitor to the master, but a bit like a good friend who appreciated each other.

"Look for a long time, long time." Liang Xiao bowed to Deng Guobin. "Please give me advice."

Deng Guobin took out Qianqiu's model and placed it on Liu Ling's carriage, talking about his discoveries in detail. Liang Xiao listened quietly and became more curious about Deng Guobin. This young man with a weak appearance was indeed unique. He could actually find that the period of swinging was related to the length of the swing rope, and it had no necessary relationship with other factors.

Although he failed to get the final formula, the data he calculated could already roughly see the rules. But he failed to unify the data with a formula.

This cannot be blamed for this. This formula seems simple, but involves the two issues of square opening and pi. Square opening will make the relationship between data separate from linear relationships and become more complicated. The emergence of pi will interfere with people's intuition and fuzzle proportional relationships.

So far, Pi has only been roughly replaced by three, and no one will associate that multiple with Pi.

"What is the fixed pattern you are talking about?" Deng Guobin spoke with foam in his mouth, his eyes shining like a wolf, and his desire for knowledge was so strong that it was uneasy.

Liang Xiao thought about it, took off a piece of bamboo branch, squatted on the ground and started to cut.

He drew a plane coordinate. "Brother Deng, go back and do an experiment and record the results of each experiment. The horizontal line is the length of Qianqiu's rope, and the vertical line is the number of times it swings within a certain period of time, or the time of each swing. If you look at it, you may be able to get a fixed pattern."

"really?"

"I'm not sure, but I think it should be." Liang Xiao smiled, a bit modest and a bit mysterious. "I believe that the Huainan Prince's Mansion should not lack talents who are proficient in mathematics."

"Of course, there are all kinds of talents in the Huainan Prince's Mansion." Deng Guobin said happily, and did not forget to flatter Liu Ling.

When Liang Xiao was discussing the issue with Deng Guobin, Liu Ling kept watching. From Liang Xiao rejecting her invitation and refusing to enter the Pingyang Marquis Mansion, she saw Liang Xiao's self-respect; from Liang Xiao's attitude towards Deng Guobin, he saw Liang Xiao's respect for people; from Liang Xiao's concentration on researching problems, she saw Liang Xiao's concentration and the confident spirit that he exuded when he was focused.

This is a unique teenager.

Unfortunately, such talents are determined to enter the palace and are determined to serve the court.

Liu Ling suddenly felt a little regretful. It would be great if his father had become the emperor now. Liang Xiao would never refuse his invitation anymore. Not only could he get his allegiance, but he could also seek a general with both wisdom and courage for his father.

I should help him, even if it is to prove to others that the Huainan Prince's Mansion is eager to seek talent.

Liu Ling leaned beside the car, holding his cheek, staring at Liang Xiao without turning his eyes.

Lei was seen in his eyes and sighed secretly, and a trace of worry flashed between his eyebrows.

Li Rongqing stood behind Liang Xiao and noticed the strangeness in Liu Ling's eyes. She couldn't help feeling ashamed and a little indescribable. She was a woman and could best understand Liu Ling's mood at this moment. Liang Xiao was attracted by a noble person like Liu Ling, which was enough to prove his excellence. However, the person Liu Ling could not get was possessed by her. Even if she was just a concubine, she still felt lucky in her life.

A man like Liang Xiao will definitely be rich and noble in the future, so he will naturally marry a woman with a noble status than him, and may even be a noble person like Liu Ling. How could he hope to be favored?

Despite this, Li Rongqing felt a little sad. However, she did not blame Liang Xiao, but only blamed her for her poor background. This is her fate and she cannot blame others. I hope she can give birth to a son and a half of Liang Xiao in the future, and with the care of her aunt, she will no longer be bullied like she is now.

Updated in the morning, please recommend!

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Chapter completed!