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- Xiao Shixuan had been to the General Military Mansion before, and came with his father Xiao Weigong.
After Fei Ruhe led his troops to drive away Sailubu and seized the entire Taihe County, the father and son came to inquire about the policy of returning home.
As a result, the surviving Xiao family distributed land as normal as the common people. Real estate, shops, workshops, etc., as long as they can produce a deed certificate, all will be returned to the Xiao family. If the deed cannot be produced, it will be confiscated.
Zhao Zhenfang's journey was unimpeded, and the officials who came and went would stop and greet each other when they saw her.
When Xiao Shixuan saw such a situation, how could he not guess the truth?
Zhao Zhenfang must be a family member of some high official!
Don't think that some people who do research have low EQ. They just focus on different things. In fact, they understand many things and don't seem to care that much.
Taking this moment as an example, although Xiao Shixuan guessed the truth, he didn't have any special thoughts. He just came to discuss academics, and he continued the chat if he was happy, and left when the chat was not happy, and he didn't ask anyone to do anything anyway.
"Miss."
"Please inform me that I brought a big student back. This is his mathematics manuscript."
Zhao Han was dealing with official business when he suddenly heard that his younger sister brought someone to see him. He first dug out those data manuscripts, and was immediately attracted by various algebraic symbols, because it was born out of cursive script, and he could still recognize A, B, C, D after careful observation.
After a casual glance, Zhao Han said, "Please come in."
Not long after, three girls brought Xiao Shixuan in.
"ah!"
Liu Miaotong immediately covered her mouth, she recognized Zhao Han at a glance, because Zhao Han once went to a girls' school to write an inscription.
The identities of Zhao Zhenfang and Fei Rumei could not be kept secret, and they were not deliberately publicized. Few people in the girls' school knew about them.
"Second brother, Mr. Xiao is good at mathematics," Zhao Zhenfang said with a smile, "Mr. Xiao, this is my second brother. He introduced Taixi numbers."
Second brother?
Xiao Shixuan thought that Zhao Zhenfang was the daughter of a high official, but unexpectedly she was Zhao Han's younger sister. A surprised expression finally appeared on his face, and he cupped his fists and said, "Tai and Xiao Shixuan, meet Mr. Zhao."
"Mr. Xiao, nice to meet you!"
Zhao Han replied with a smile: "Please sit down."
Xiao Shi chose a seat to sit down, subconsciously looked at Zhao Zhenfang, but Zhao Zhenfang winked at him mischievously.
Zhao Han flipped through the mathematics manuscript and asked, "You discovered these formulas and theorems by yourself."
"Occasionally." Xiao Shixuan replied.
"Good job, keep working hard in the future." Zhao Han encouraged.
Xiao Shixuan originally wanted to discuss mathematics, but when he found out that the person he was chatting with was Zhao Han, he immediately said: "Mr. Zhao, I think that what is more important than formulas and theorems is to change the fundamental concept of studying mathematics."
"Oh, please tell me." Zhao Han felt a little surprised.
Xiao Shixuan said: "Take equations as an example. We only talk about the calculation of complex equations. It is easier to calculate when using Tianyuan technique together with calculation chips. But I am sure that even if Tianyuan technique is more convenient to calculate, it will definitely be used in the future. Equation algorithm instead."
?Using calculation chips to solve Tianyuan technique, as long as you get started, it is often easier than solving equations.
Zhao Han asked: "Why do you say that?"
Xiao Shixuan began to talk eloquently: "The biggest difference between Tianyuan surgery and equations is the unknown number. "Nine Chapters of Arithmetic" Qiuhe is actually a description of three-dimensional linear equations in words, but there are no algebraic symbols and operation symbols. The ancients omitted these symbols, and expressed them directly with counting chips (putting out a matrix). There is a strange book called "Dongping Suanjing", which has been lost for a long time now, but one or two can be inferred from Li Yezhi's worksQin Jiushao in the Song Dynasty had already used Symbols such as double lines, single lines, etc. to represent addition, subtraction, multiplication, and division"
Zhao Han listened very carefully, although he had never even heard of these ancient arithmetic books and mathematicians.
According to Xiao Shixuan's explanation, Zhao Han roughly understood that there is an ancient book "Dongping Suanjing", which uses nineteen characters such as "Xian, Ming, Xiao, Han death, spring, darkness, ghost" to represent unknowns power. If A, B, C, and D are added together, equations within the nineteenth power can be expressed with the calculating chip matrix.
During the Southern Song Dynasty, Qin Jiushao created arithmetic symbols.
However, the invasion of Jin and Yuan brought the development of mathematics in the Song Dynasty to an abrupt halt.
Although the mathematicians of the Yuan Dynasty developed the Quaternary Art, which seemed to be more advanced than the Song Dynasty's Sanyuan Art, it was a retrogression from the perspective of mathematics itself.
?Because the path has gone astray, unknowns are being ignored more and more, arithmetic expressions are being ignored more and more, and operation symbols are completely discarded. Tianyuanshu was completely reduced toTax urging can only intensify the exploitation of the people.
As for the two provinces of Shaanxi and Shanxi, Chongzhen was too embarrassed to remind them. These two places have suffered severe drought for ten consecutive years.
In the blink of an eye, ten years into Chongzhen, the first thing the court did was to send a large number of tax censors.
Chongzhen was also frightened by the eunuchs, and did not dare to let the eunuchs collect taxes. This time the tax envoys were all seventh-rank civil servants.
At the same time, Yao Yongji, Zuo Buzheng of Zhejiang, Zeng Daowei, Zuobu Zheng of Huguang, Chen Hongmi, the prefect of Suzhou, Han Wenjing, the prefect of Yangzhou, and Zhou Guangxia, the prefect of Huai¡¯anBecause they could not pay their taxes in full, they were deprived of their grades and positions, but they continued to work. Until the taxes are paid in full, the official position will be restored.
Ding Kuichu, who thought he had successfully escaped, was still held accountable by the court because Jiangxi taxes were in arrears for many years. This guy retired from his old age and returned to his hometown. Just after the Lantern Festival, he was arrested and sent to Beijing to be imprisoned for questioning.
Then, Chongzhen and Zhao Han went stupid together.
The spring drought is severe across the country, and this year is destined to be a catastrophic year.
On Zhao Han's side, there was a severe drought throughout Jiangxi.
?From the beginning of spring to the end of spring plowing, there was no rain in Jiangxi's prefectures, and officials from all over the country even began to pray for rain.
In fact, there was a drought in Jiangxi last year. There is only one sentence in "Ming History": "Nine years Jiangxi is also hungry."
In the ten years of Chongzhen, Shaanxi and Shanxi will not be mentioned. The most terrifying thing is that it spread to Zhejiang, which is the wealthiest place in the world: "Ten years, there was a great famine in Zhejiang, and father and son, brothers, and husband and wife ate each other."
There is also: "Twelve years, Liangji, Shandong, Shanxi, Shaanxi, and Jiangxi were famines. There was a great famine in Henan, and people ate each other."
This is a nationwide severe drought, known as the "Chongzhen Great Drought" in history, and the drought in Jiangxi will last for three to four years.
The time to test Zhao Han has come, and the disaster is far more difficult to deal with than officers and soldiers.
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