Liu Chang only felt that the name was very familiar, as if he had heard it somewhere.

But he didn't dare to ask.

He only knew that the teacher in front of him, who seemed to be very amiable, was a very learned person.

"Chief, have you ever learned to count?"

"You're kind of looking down on you... Forehead... Slightly understood. ”

"Okay, then I'll teach you this."

Liu Chang finally couldn't help it, "Teacher, if you talk about Confucian knowledge, I am indeed inferior to others, but if you talk about numbers, I have never met an opponent so far!" ”

"Oh? Do you also like to count? ”

Zhang Cang was very excited, he took Liu Chang's hand, and hurriedly took out a few manuscripts from the books he was carrying, "Come, look at this, can you understand?" ”

Liu Chang read it carefully.

"Today, there are fifteen steps of Tian Guang, from sixteen steps, ask for Tian geometry? Answer: One acre. ”

"There are twelve steps from Tian Guang, from fourteen steps, ask for Tian geometry? Answer: One hundred and sixty-eight steps. ”

"Isn't that what length and width are? What's not to understand about this? ”

Liu Chang glanced at it a few times, and then said proudly: "Teacher, you can ask casually!" If you can't answer, you'll tear me up! ”

"Huh?" , Zhang Cang was stunned for a moment, but still asked: "There are fifteen steps from Tian Guang, from twenty steps, ask for Tian geometry?" ”

"Three hundred steps!"

"Not bad!"

Zhang Cang's eyes were full of approval, although this question is very simple, but at Liu Chang's age, he can answer so quickly, it is really remarkable, and then, he asked Liu Chang to continue to look down, Liu Chang looked back, and the next thing was really division... It's as simple as it gets.

Further on, there are fractions, proportional algorithms, volume formulas, negative numbers and their addition and subtraction algorithms, equations, the Pythagorean theorem... Although it is not difficult, these things are all applied mathematics, which are related to practical problems such as calculating fields, allocating land, building, and distributing grains.

The more Liu Chang looked at it, the more familiar he became, "Nine chapters of arithmetic? ”

This time, Liu Chang finally remembered who the big guy in front of him was.

Zhang Cang... The fierce man who added and improved "Nine Chapters of Arithmetic".

Liu Chang's talent in mathematics made Zhang Cang very excited, the two began to discuss mathematical problems, and teaching turned into debates, Liu Chang naturally would not let go of this good opportunity to show off himself, and said all kinds of mathematical formulas loudly, which would be said Zhang Cang was stunned.

"Wonderful! Wonderful! ”

Zhang Cang listened and took notes, and his attitude towards Liu Chang became more and more close.

However, when the mathematical problems are linked to today's real problems, Liu Chang said that Zhang Cang couldn't do it, and Zhang Cang comforted him, this is just because you don't know much about the outside world, you still have to increase your knowledge, and your future knowledge will definitely far surpass mine!

Next, Zhang Cang asked about the textile machine again, and Liu Chang was surprised to find that this fierce man still knows how to mechanical!!

Liu Changru met a bosom friend, but he was very happy, in this era, how rare it is to meet a person who can discuss advanced mathematics with him, and can also discuss physics and mechanics together!

It can be seen that Zhang Cang is almost the same, the original white and tender skin has become red at the moment, and the more he talks, the more excited he becomes, and the two almost hook their shoulders.

Liu Chang gradually let go of his guard against Zhang Cang, and asked with a big grin: "Master, what else do you like to do on weekdays besides mathematics and machinery?" ”

"I love to eat, and I travel around to study, mainly for the different cuisines in different places!"

"Me too!!"

Liu Chang shook his hand excitedly.

"Of course, I also have to meet the local beautiful women once in a while... Hahaha, in different places, the beauties brewed are also different! ”

"Me too!!"

The two quickly began to hook shoulders, and the master and apprentice suddenly became year-old friends.

"Back then, I went to Yan Kingdom to study and stayed overnight in a family, and that person insisted that his concubine come and serve me..."

Zhang Cang said with a smile that Shide had already been left behind by him.

If Liu Chang's patriarch saw them like this, he was afraid that he would jump out of the coffin and slash them with a sword.

"And then? And then what? ”

........

"Zhang Gong... The shaft is stubborn, and I hope you can discipline it well. ”

Liu Bang said with a smile, Zhang Cang made a straight face, and said seriously: "The son is still very well-behaved, I will discipline him well." ”

-->>

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Liu Bang likes Zhang Cang very much, not only because his teacher is called Xunzi, but also because of his extraordinary talent. Among all the disciples of Xunzi, Han Fei and Li Si are famous, but this little apprentice is always easy to be forgotten.

Zhang Cang was a native of Yangwu, and when he was young, he worshipped Xunzi as a teacher and learned his knowledge. In the Qin Dynasty, he served as the imperial historian, in charge of various documents and archives in the palace, and his biggest hobby every day was reading, many years earlier than Gai Gong, and later, because of a crime, he fled home.

When Liu Bang conquered the city and passed through Yangwu, Zhang Cang followed Pei Gong to attack Nanyang as a guest.

Later, Zhang Cang broke the law again, took off his clothes, and lay on the torture instrument, his body was tall and big, and at the same time he had a fat and white skin like gourd seeds.

Therefore, Wang Ling interceded with Liu Bang and pardoned him for his capital crime. This once again proves the importance of appearance, as for what crime Zhang Cang has committed, well, it's hard to say, it's not a serious crime anyway.

Later, Zhang Cang was promoted to the prime minister of financial management, and in history, he served as Liu Chang's Huainan minister, and finally became the prime minister of the fourth brother.

What talent does Zhang Cang have? The degrees, measurements, weights and balances, and calendars of the Han Empire were all designated by this person to perfect, and this set of things has been used for many years, and he was the first prime minister in China to directly use the results of arithmetic research in the national economy and people's livelihood.

At the same time, he has a slight attainment in law, music, scriptures, mechanics, etc.

The fly in the ointment is that this person has two bad problems... The first is gluttony, and the second is lustful.

Therefore, the most powerful is Xunzi, who taught a few disciples casually, two as physiognomy and one as a saint.

Liu Chang fell in love with this master to death, not only because the two had the same interests and hobbies, but most importantly, because he could take himself out to play.

That's right, Zhang Cang directly thought that Gongzi had increased his knowledge, and left the palace with Liu Chang, and Liu Bang and Empress Lu did not stop them at all, in their opinion, since Zhang Cang's arrival, Liu Chang has become honest and well-behaved, and it can be seen that this is a trustworthy Taifu.

When they left the palace in the car, Luan Bu was waiting outside.

Luan Bu saw Zhang Cang clearly in the carriage, and suddenly leaned down to pay a big salute.

Zhang Cang smiled and asked him to get up, and then looked at Liu Chang.

"Chief, I'll take a walk around the city... After that, I'll pick you up at Zhou's mansion! ”

"Master, why don't you take me to play?"

"Hey, you're still young, wait until you're older... I'll take you again. ”

"Okay, then I'll go!"

"Chief, if your friend's parents don't want to see you, call me, and I'll help you persuade... By the way, bring me some smuggling wine... I'll give you a sip when the time comes... I'll bring you something to eat..."

Luan Bu on the side was dumbfounded, and at that moment, the image of the Confucian sage seemed to collapse in his heart.

"Zhang Gong... Childe is too young to drink alcohol..."

Before Luan Bu finished speaking, Zhang Cang had already disappeared without a trace in the car.

Luan Bu followed behind Liu Chang with a complicated face, Liu Changzheng smiled and praised how good this master was, Luan Bu wanted to speak and stopped.

"Luan Bu, I've never seen you so afraid of a person, why are you so afraid of Master? Don't be afraid, all the rumors out there are fake! Master is not a cruel person at all! ”

Luan Bu said: "The reason why I respect Zhang Gongzhi is not because I respect Zhang Gongzhi as a person, but because I respect Zhang Gongzhi's knowledge. The reason why I am afraid is not that I am afraid of Zhang Gong's power, but because I am afraid of his teacher. ”

"Oh... He still has a master? Who is his master? ”

"Xunzi."

Liu Chang suddenly stopped, turned his head sluggishly, and stared at Luan Bu, "Who?" ”

"Xunzi."

In the Zhou Mansion, Liu Chang smirked and said loudly: "My ancestor was amazing, he can be called a generation of saints, do you know who my ancestor is?" The ancestor is Xunzi! Also, Han Feizi is my uncle! So is Lis! Hahaha, now that I have their true inheritance, my ancestor knows it, and I must be extremely gratified! ”

"I have decided to carry on the legacy of my ancestors! Carry forward our Confucian lineage! I want to be the new saint of Confucianism! ”

"The King... Didn't you cure Huang Lao before? He also told us that Confucianism copied Huang Lao..."

"Fart! It's obviously Huang Lao who copied our Confucianism! ”

"I am the grandson of Xunzi's disciple! How could it be related to Huang Lao? ”

"However, Gai Gong is also good to me...", Liu Chang touched his chin, pondered for a moment, and said: "Forget it, I'm still reluctant to be a saint of the two schools!" ”

。