After waiting for a long time, Fang xingcai returned to Xia Yuanji.

Xia Yuanji shouted happily, "Your Majesty has agreed!"

"Cough!"

Fang woke up demurely. He felt that as a hero in promoting Arabic numerals in the Ming Dynasty, he would be recorded in history.

——One day, a group of people spoke to Xia Gong, talking about the advantages and disadvantages of big food figures. Xia Gong was generous and allowed it with a smile!

Fang Xing looked at Xia Yuanji with complex eyes and thought it would not be such a record in the end!

Xia Yuanji didn't pay attention to Fang Xing's strange appearance and said directly, "Dehua, in the future, you will come to the household department every day. I will give you a big room for one hour a day."

Fang Xing didn't expect that Zhu Di would agree. You know, he respected Confucianism as much as his father Zhu Yuanzhang!

However, all emperors, as long as they understand the meaning of Confucianism, will not refuse such god given help.

"Come every day? When? Lord Xia, I don't point Mao!"

Fang Xing did not refuse to spread his own knowledge, but was worried that his working hours were too early.

We have to start before dawn. We can't live until we wake up.

Xia Yuanji was stunned, then pointed to Fang Xing and said with a bitter smile, "just, according to you, how about the time of the day after that?"

At about seven o'clock in the morning, Fang woke up and said, "that's OK, but Lord Xia, I don't receive salary. I can ask for leave if I have something to do?"

Xia Yuanji didn't expect Fang Xing to be so tired and lazy. Finally, he had to nod and say, "it depends on you, it depends on you."

Originally, Xia Yuanji wanted to give Fang some benefits, but he swallowed that sentence when he thought of the Northern Expedition and the reward given by the soldiers of the southern expedition immediately after their return, plus the Forbidden City and other projects in Peiping.

It's hard to be Daming's housekeeper!

It's even more difficult for Zhu Di, an emperor who wants to finish all his children's work!

When she got home, Zhang Shuhui was staring at Xiaobai to take medicine. This was Fang Xingzhi's Jianwei Xiaoshi tablet - unpacked.

Seeing Fang waking up, Xiaobai looked at him pitifully, and then ate the sour and sweet pills as sugar.

Seeing Fang Xing's lazy appearance, Zhang Shuhui asked, "husband, what's the household department looking for you?"

Fang woke up and remembered that he had to go to the household department early every day. He regretted that he asked me to teach him some students. From tomorrow, you have to realize the taste of regretting teaching your husband to find a marquis

Zhang Shuhui was surprised, "husband, you won't go to the household department to work in the future?"

Fang woke up and wanted to scare her, but finally smiled and said, "nothing, but teaching for a period of time. When we learn the basics, we'll go home."

"Scared the hell out of me!"

Zhang Shuhui was worried that Fang Xingzhen would be recruited into the household department. In that way, as a member of his family, he would probably be a low-income official.

"One hour a day, I can still get home for lunch."

Fang Xing said comfortably. From the imperial city to Jubao mountain, if you go to Zhengyang gate, you will go home soon.

That night, Fang Xing was rejected by Zhang Shuhui for the second time.

"Husband, you have to teach in the household department tomorrow morning. You can't be depressed."

Zhang Shuhui said softly.

"If I hold it, I won't be energetic!"

The young body is strong in firepower. The next morning, when Fang Xing was woken up by Zhang Shuhui, he was another energetic young man.

It was getting late. Fang woke up quickly with a big meat bag in his mouth, waved to Zhang Shuhui and Xiaobai vaguely, and then rode away.

Zhang Shuhui waved her hand and even sent her husband to a stall and shouted, "husband, come back early!"

"I know... Cough! I know!"

Fang Xing was eating steamed stuffed buns on his horse and almost choked. He beat his chest and rushed out of fangjiazhuang with a red face under the attention of a group of servants who had just returned from exercises.

There were not many pedestrians on the official road in the morning. Everyone went to jubaomen. Only Fang woke up. He turned a corner alone and went to Zhengyangmen.

Zhengyang gate belongs to the imperial city. After arriving, Fang Xing took out the brand given by Xia Yuanji yesterday, and then led the horse in the watchful eyes of the guard.

As soon as they entered the Zhengyang gate, the soldiers of Jin Wuwei were looking at Fang Xing of Renshan shadow branch.

When those officials enter Zhengyang gate, most of them will be accompanied by servants. It's rare for them to settle down like Fang Xing.

When he arrived at the household department, seeing that the officials were busy, Fang woke up and couldn't help feeling whether he was too lazy and failed to live up to his good youth.

"Teacher."

At this time, Yao Ping, who had been waiting for a long time, greeted him and woke up with Fang in a large room on the left.

"Teacher, this room was originally a place for stacking sundries. Yesterday, the ministry asked someone to clean it for half a day."

With bright windows and neat desks, Fang woke up and looked at the more than ten men sitting upright and asked, "who are these people?"

"It's your student!"

Fang woke up and said, "didn't you Xia say there were only a few students yesterday? How can it increase several times overnight!"

Yao Ping said awkwardly: "Lord Shang later felt that teaching a few was the same as teaching ten, so..."

"Well, one sheep drives, and a group of sheep drives."

Fang woke up and took a deep breath and went to the podium that Yao Ping had customized according to the furnishings of Fang's study.

Yao Ping stood on the side and nodded to the people.

After a hula, all fifteen people stood up, bowed neatly and shouted, "teacher, it's hard!"

Fang Xing was surprised by the neat voice. Fortunately, he had experience in training troops and going to the battlefield, so he just nodded, pressed his hands and said, "sit down."

Yao Ping pointed outside. After Fang woke up and nodded, he went to his office.

"Cough!"

After a dry cough, Fang Xingxing first introduced himself, and then listed the Arabic numerals and Daming numerals.

"This is the basis of your study. Let's record it. After that, we will give lectures according to this big food number."

Seeing that everyone below was busy copying the control, Fang woke up and looked out the door.

Probably Xia Yuanji had explained, so people passing by the room would tread lightly, and the conversation was interrupted.

The robes are laid out and the hair is still in a bun, just like the quiet scene in the alley hundreds of years later.

The dry leaves in autumn are blown down by the breeze from time to time, floating like a boat.

This is Daming!

I will live here, and my children and grandchildren will be born and grow here.

When I die, I will also be buried under this land.

"Mathematics is a knowledge that must be learned. It is the foundation of all learning and the source of continuous progress of Daming..."

Xia Yuanji came to have a look in his spare time. As a result, he heard this. He couldn't help touching his beard and nodding frequently.

No one understands the importance of mathematics, or arithmetic, better than him.

"... and Dashi number can simplify our recording method, and it can also intuitively let us see the relevant data. The Ministry of household needs it, the Ministry of officials needs it... The craftsmen of Daming need it."

"In a word, mathematics is related to each of us, and even to the rise and fall of Daming. We must learn and pay attention to it!"