"Ahem."
Chen Ke looked a little embarrassed. He coughed lightly and then said, "Brother Li, this is true."
"If you have any questions, just ask me. Why do you ask me to convey them to you?"
Fusu covered his mouth and smiled: "Then who made the teacher's laziness known to everyone inside and outside the court?"
Chen Ke shook his head, looked at the person in front of him, and cursed with a smile: "You traitor."
"Now you dare to tease me about being a teacher. How about your respect for teachers in the past?"
Fusu looked at the sky and the earth, pretending not to know anything.
Chen Ke rolled his eyes, looked at Fusu, who no longer had the gentlemanly demeanor of the past, and said, "Okay, okay, what question did Li Si want you to ask me?"
"Just say it."
Fusu then said: "Teacher, didn't you propose to improve the household registration system and allow every citizen to compile an ID number?"
Chen Ke nodded slightly: "Well, what's wrong?"
Fusu recalled what Li Si said and repeated: "Teacher."
"Prime Minister Li said that the household registration system matches the redivided counties and counties, and they have already completed the issue of assigning numbers to each district and county."
"But at the same time, there is an issue that cannot be ignored."
Chen Ke is a little curious, a question that cannot be ignored?
He looked at Fusu and said, "What's the problem?"
Fusu said helplessly: "Teacher, it is inconvenient to make this road guide too big, otherwise it will be inconvenient to carry."
"After writing the appearance, characteristics and place of origin, there is not much space left."
"That makes it difficult to write down those numbers that the teacher was talking about before."
"To put it simply, there are too many things to write down."
"That's one of them."
"The second thing is..."
"Although Luyin is not easy to copy, Prime Minister Li is afraid that people from the Six Kingdoms will have an affair with the local counties."
"So I want to ask the teacher if there is any way to solve this matter."
Chen Ke pondered for a moment.
He really did not think of the first question, because this question will not be a problem at all in later generations...
But there is no good way to completely solve the second problem.
It can only be avoided as much as possible.
Thinking of this, Chen Ke looked at Fusu and said: "The first question is simple, the second question can only be avoided as much as possible now."
"It can't be completely solved."
Fusu was a little surprised: "Are there any problems that the teacher can't solve?"
Chen Ke nodded: "Of course, I am not a god. How can I solve all problems?"
He shook his head and said: "If I could solve all problems, the first thing I would solve is how people can get a salary and enjoy fame without working."
Fusu's original nervousness was washed away by Chen Ke's words, and he couldn't help laughing immediately.
"teacher."
Fusu suppressed a smile and said, "Just now you only said that the second problem cannot be solved, so does the teacher have a solution for the first problem?"
Chen Ke nodded: "Of course."
He stood up with a slight smile on his face.
"I neglected this before."
Chen Ke directly admitted his previous negligence without hesitation, which was not a big deal to him.
He walked aside and picked up a piece of paper.
There were some very strange things written on the paper.
In Fusu's opinion, it was indeed strange.
"Teacher, what do these things mean?"
"It looks so weird..."
Chen Ke looked at those numbers with a little nostalgia in his eyes.
He said without changing his expression: "This is a counting method discovered by the Mohist sages, and it is hidden in the Mohist's past books."
Chen Ke said with emotion: "It's a pity that those books were thrown away with the war."
Fusu was also a little disappointed: "Except the teacher, has no one read these books?"
Chen Ke was very indifferent: "My teacher has also seen it, otherwise where would I go to see it?"
Fusu quickly raised his head, looked at Chen Ke and said, "Teacher, where is the master?"
Chen Ke lowered his head: "The teacher has passed away."
He looked sad: "This thing was only discovered before the teacher left."
"You only had time to hand it over to me, and then it passed away."
After applying this patch perfectly, Chen Ke quietly changed the subject.
"look."
"0, 1, 2, 3, 4, 5, 6, 7, 8, 9."
"These numbers correspond to the ten numbers from zero to nine respectively."
"If you want to count up, stack it into two."
"For example, ten means one on the left, and zero on the right means ten."
“Eleven is two ones added together.”
The decimal system had already appeared in the Spring and Autumn Period and the Warring States Period, so Fusu could easily understand Chen Ke's explanation at this time.
He looked at this series of numbers with a look of wonder on his face.
"Is there such a concise and clear number in the world? The person who invented this method is simply admirable."
Fusu looked at Chen Ke with fanaticism in his eyes: "Teacher, what is the name of this method?"
Chen Ke replied: "The inventor of this thing did not name it, but judging from the writing used in the record, it is the writing of Da Qin. He should be a person of Da Qin."
"How about we call it Da Qin Numbers?"
After hearing this, Fusu murmured to himself.
Daqin numbers? Daqin numbers?
He sincerely praised: "It is concise and clear, and it is indeed a teacher worthy of me."
"I will give this number to Prime Minister Li right now, and ask Prime Minister Li to create the first road guide as soon as possible."
Chen Ke looked at Fusu's running figure with a little emotion on his face.
Numbers, numbers.
He actually forgot this thing.
Chen Ke turned his head, looked at the manufacturing department, and then looked at the sky in the distance, and couldn't help but smile.
"Being able to see numbers in Da Qin is like having something familiar again."
Chen Ke stretched out and sat down in the lounge chair.
"This place looks more and more like a familiar place to me."
...........
Prime Minister's Office
Li Si looked at the paper in Fusu's hand with admiration and surprise on his face.
He also didn't expect that the problem that had troubled him for so long would be solved so easily.
"As expected of Mr. Chen."
Fusu also sighed: "Yes."
"Thanks to the teacher, a book he read once recorded such numbers."
"If not, how could something so amazing be revealed to the world?"
He said with regret: "It's just a pity."
"The teacher said that the book was lost somewhere during the war."
Li Si looked at Fusu's sighing expression and couldn't help but chuckle.
He looked at Fusu and asked, "Sir, do you really think that the young man saw this number from a book?"
Fusu was a little confused and looked at Li Si in confusion.
"Isn't it?"
"But isn't that what the teacher said?"
Li Si laughed: "Hahahahaha, of course not!"
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