The lively exhibition of Mo Skills was over, and Chang 'an City quietly returned to peace.
However, there was a little change in the tranquil Guanzhong. The curved plough showed its elegance in the Guanzhong area. It was convenient, labor-saving, and had a good effect of farming. Soon, it conquered countless farmers.
In this era where land was the most valuable asset, people might scrimp and live frugally, but they were unusually generous when it came to farming. Three hundred copper coins wasn't expensive, but if they reclaimed a few acres of wasteland, they would be able to earn back all their capital in a year. Even the stingiest miser would be willing to spend a lot on farming.
Not to mention that the curved plough in the Mo Family's village had a seven-day refund and a three-year warranty policy.
In an ordinary farmer's village in the Guanzhong area, the man drove the ox and pulled the curved plough to work in the field early in the morning, while the woman took care of the chicks she had just bought at home.
It was still very cold now. Usually, these chicks were tightly covered in the house, and only at noon on sunny days would they go out to get some fresh air and bask in the sun.
This year, the family had reclaimed ten acres of wasteland and raised twenty chicks. The hens were kept to lay eggs, and in summer, the roosters were sold for money. Then they would buy a batch of chicks and wait for the Spring Festival to eat meat. Thinking of the life of the family, the woman's eyes narrowed into crescents.
During the weekend, the Imperial College carried out a large-scale renovation. The blackboard and chalk walked into the highest school of the Tang dynasty openly. The response was very good. No matter how the Imperial College's doctors disagreed with Meton, they all praised the blackboard and chalk.
The Imperial College was the wind vane of education in Chang 'an. For a while, all the private schools in Chang' an ordered the blackboard and chalk from the Mo Family's village. The construction team of the Mo Family's village was too busy.
"The Duke of Zhou made a ritual with nine numbers, and the nine numbers are the Nine Chapters!" Shen Hongcai, a mathematics doctor, picked up a piece of chalk and wrote down the contents of the nine chapters of arithmetic on the blackboard. Meton was surprised to find that Shen Hongcai had meticulously separated the nine chapters of arithmetic with various punctuation marks. The meaning of the words was exceptionally clear.
After countless discussions in the Imperial College, they finally came up with a new punctuation symbol. Although it was quite different from the punctuation symbol of the future, Meton didn't provoke them again. Instead, he quietly changed his own symbol.
The young students happily accepted this trendy symbol. It was simple, clear, and easy to understand at a glance. However, the promotion of this symbol among the Imperial College's doctoral assistants was not so smooth. Many of the older Imperial College's doctoral assistants still refused to use punctuation. They were still capricious and long-winded, making the students miserable.
However, mathematics was a study of precision. In order to increase the accuracy of mathematics and avoid ambiguity, it was reasonable for Shen Hongcai to use punctuation marks first.
"The Nine Chapters of Arithmetic is the most important subject in mathematics. Everyone must be proficient in it. If it's the final exam, don't blame the Old Man for being unreasonable!" Shen Hongcai snorted coldly. His gaze was sharp.
Ever since Li Shimin ordered the Imperial College to have mathematics as a compulsory subject after their birthdays, mathematics suddenly became an important subject that affected the future of the Imperial College's students. Shen Hongcai swept away all the grievances from before, and his authority increased greatly.
"Now, let's start the demonstration!" Shen Hongcai quickly wrote down a few questions on the blackboard. His gaze drifted to the supervisor.
Suddenly, everyone wailed in grief! Everyone stared at Meton with hidden bitterness.
Meton rubbed his nose awkwardly. This was not his idea, but Shen Hongcai's own invention.
Ever since he started using the blackboard, he suddenly self-learned the most common trick used by thousands of teachers in the future, the demonstration.
A few mathematics questions were written on the blackboard. After a batch of students finished answering, they would switch to the next batch. If it was not for the lack of time, Shen Hongcai would have pulled everyone onto the blackboard and demonstrated it one by one.
If a student made a mistake, the consequences would be very serious. It was estimated that the student's name would be on the blackboard for the next week.
Of course, other than Zu Mingjun and Meton, Shen Hongcai did not even look at these two perverts no matter how high they raised their hands. Zu Mingjun was still fine. Every time a student made a mistake, Shen Hongcai would pull him up to save the day.
As for Meton's mathematics level, Shen Hongcai felt that his own mathematics level was not necessarily comparable to Meton's, so he did not want to take the risk of embarrassing himself.
"Kong Huisuo!" Shen Hongcai began to call out names.
Kong Huisuo sighed. His mathematics level was not good, and he had already missed a few times. Sure enough, Shen Hongcai did not let him go this time. He stepped forward, picked up the chalk, and began to calculate. He hoped that this time he could pass smoothly.
Shen Hongcai called out the names of two people. Suddenly, he saw a hand raised high.
"Qin Huaiyu!" Shen Hongcai looked in surprise at the person who raised his hand, indicating that he was going to demonstrate. It was Qin Huaiyu, who was usually weak.
"This guy is really looking for trouble. He actually chose this time to show off!" Many people were in an uproar. Who did not know Qin Huaiyu's level? If he could do it, they would not believe it even if they were beaten to death.
"Are you sure?" Shen Hongcai's face was a little gloomy. He felt that Qin Huaiyu was making trouble for him.
"I'm sure!" Qin Huaiyu said proudly. He looked at the whole class with contempt. This kind of small problem was nothing compared to Meton, this pervert.
Meton looked at Qin Huaiyu's showy appearance and could not help but feel a headache. This guy was showing off again.
Seeing Qin Huaiyu insist again and again, Shen Hongcai let him go up.
Qin Huaiyu deliberately stood next to Kong Huisuo. When Kong Huisuo saw Qin Huaiyu standing next to her, she could not help but gloat.
She knew Qin Huaiyu's level very well. She was not good at learning, but Qin Huaiyu was not good at all. Compared to her, Qin Huaiyu was even worse. This time, she had a companion.
However, what surprised her was that after Qin Huaiyu came up, he picked up the chalk and kept writing. Kong Huisuo looked over curiously, but Qin Huaiyu deliberately covered her eyes and did not let her see.
"Humph, pretending to be mysterious."
Kong Huisuo snorted. She did not believe that Qin Huaiyu could do it.
What she did not expect was that after a while. Qin Huaiyu scribbled down the answer, threw away the chalk in his hand, and went down.
He finished. Kong Huisuo stared at the empty space next to her. It was wrong! Kong Huisuo was looking forward to Shen Hongcai announcing that the answer was wrong. However, Shen Hongcai was more shocked than her because Qin Huaiyu's answer was completely correct.
"Yes, yes. Student Qin has improved a lot recently. Everyone should learn from him." Shen Hongcai praised dryly. "There is still one more question. Which student is willing to come up and do it?"
Cheng Chumo stood up, rushed to the blackboard, and wrote down the correct answer in a few quick strokes.
"No way!" Many Imperial College students wailed. Even a burly guy like Cheng Chumo knew how to do it.
Then, Yuchi Baolin solved the math problem that stumped Kong Huisuo. It refreshed everyone's worldview.
What was wrong with this world?
Everyone realized that the last place student in the class actually made a comeback!
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