Chapter 30 Father and Son Meet for the First Time
After getting the answer to the question, Song Ning'er hummed a song and walked away proudly.
Song Muer sat in the pavilion with her arms folded, her back facing Li Nuo. An oil bottle could be hung on her pouting little mouth.
She was really angry. Song Ning'er didn't let Brother Li Nuo play sepak takraw, but played shuttlecock with him and gave him cookies. He knew clearly that she and Song Ning'er had a bad relationship, but he played with Song Ning'er behind her back. The little girl tasted the taste of betrayal at a young age.
In fact, although Li Nuo likes Mu'er more, he would not be so petty as to get angry with Song Ning'er just because she didn't let him play ball last time. It was just a moral question, and Li Nuo didn't think it was a big deal.
But looking at the angry Song Muer, Li Nuo could only helplessly explain: "You look exactly the same, I mistook her for you."
The main reason was that Song Ning'er had been pretending to be the elder sister, and Li Nuo didn't doubt it at all.
Who knew a six-year-old girl could be so cunning?
Song Muer finally turned around, glanced at Li Nuo, and asked in a low voice: "Really?"
Li Nuo stretched out his palm and said, "I lied to you that I am a puppy."
To Song Muer, this was already a very serious oath. A smile appeared on her face again. She ran to Li Nuo and said, "Okay, I don't blame you anymore. It's all Song Ning'er's fault..."
Li Nuo thought that the little girl was easy to coax, but Song Muer was thinking seriously about how to prevent Song Ning'er from impersonating her again.
After thinking for a while, her eyes lit up and she looked at Li Nuo and said, "Let's agree on a secret code, a code that only the two of us know. The one who can't match the code is Song Ning'er..."
Faced with her proposal, Li Nuo had no choice but to agree.
After unanimous discussion between the two, they finally decided on the code "One, two, three, four, five, go up the mountain to fight the tiger". Only the one who got it right would be Song Muer, otherwise it would be Song Ning'er.
You know what, this is actually a good way to tell twins apart.
Although it was just an explanation of the problem, it didn't matter whether the distinction was made or not, but Li Nuo didn't want to be confused.
Song Muer came over and asked Li Nuo a question. Li Nuo took a look and saw that it was exactly the same question as Song Ning'er's. He had already explained it once before, so of course he was familiar with it when he explained it again.
Song Jiaren looked at the questions on the paper and felt her head starting to hurt again.
Those formulas brought back painful memories from ten years ago.
She remembered that when she was learning mathematics, the most difficult thing was to put chickens and rabbits in the same cage. There were also hemp, wheat, beans, millet, and sorghum. Just the questions took a whole page. Do children have to learn such difficult mathematics now?
When he gave the lecture for the second time, because he had the foundation from the first time, Li Nuo was able to give examples from the simplest to the most complex ones with ease.
The two sisters are worthy of being twins. Not only do they look the same, but their comprehension abilities are also similar. What Song Ning'er can understand, Song Mu'er can also understand. She calculated step by step by herself and soon got the answer.
Song Muer looked at the result she calculated, a little bit unbelievable, and murmured: "It turns out that this problem is so simple..."
Even Song Jiaren showed a hint of surprise in her eyes.
When Li Nuo was explaining to Mu'er just now, she was also listening beside him. As she listened, she found that this math problem that filled a whole page didn't seem to be that difficult. Not only did Mu'er understand it, she also understood it...
After realizing this, she actually felt a little angry.
If when she was young, it had been Li Nuo instead of that old man who taught her math, her math skills wouldn't have been so bad.
At this moment, an inexplicable thought arose in Song Jiaren's mind.
If only I had met him earlier...
After finishing this question, Li Nuo stood up and stretched his body.
A system of five linear equations may sound intimidating, but solving it actually only involves some basic calculation rules, which they can master well with their current level of math.
Of course, the main reason was because of Li Nuo’s guidance.
Drawing inferences about another case, Li Nuo asked Song Muer to use the method he had just taught her to recalculate the problem of chickens and rabbits in the same cage yesterday. She quickly figured out the answer, obviously she really understood it.
Song Muer was reviewing what she had just learned. Li Nuo walked back to the room and came out with a thick book in his hand.
The title of this book is "Suanjing", which covers all of Daxia mathematics.
All the mathematical problems in Bactria and even in the world today are contained in this book.
This shows the level of mathematics of that era.
Mathematics in later generations began to develop rapidly after modern times. Based on ancient mathematics, new branches continued to be extended, including number theory, algebra, geometry, topology, mathematical analysis... Let alone a book like this, even if there were a hundred or a thousand books, they could not cover all the mathematical knowledge.
In the "Mathematical Classic", there are nine detailed items, named "Nine Numbers", namely square fields, millet, declining points, small width, commercial work, equal loss, winning and losing, equations, and Pythagorean theorem. Each detailed item studies a similar type of problem.
For example, the chapter "Square Fields" specifically studies the calculation of field area and provides area formulas for various polygons, circles, arcs, etc. In addition, there are common denominators, reductions, addition, subtraction, multiplication and division of fractions, as well as the complete rules of the four arithmetic operations.
"Shang Gong" is a volume calculation, which provides various three-dimensional volume formulas, which can be used to calculate earthwork and labor when building city walls and digging ditches.
The chapter "Equal distribution" addresses in detail how to reasonably apportion taxes and levies, as well as how to solve the burden of taxes and levies. The other subcategories also have their own uses. In short, mathematics in this era has a strong purpose, and almost all of them correspond to various problems in reality.
Yesterday’s problem of chickens and rabbits in the same cage and today’s problem of the five grains are both “equation” problems in the Mathematical Classics.
However, this "equation" is not that equation. The equation in modern mathematics refers to an equation containing unknown variables, and the "equation" in "Mathematical Classics" refers to the system of linear equations in modern mathematics.
Li Nuo looked at it for a while and had a rough idea in his mind.
The content of "Mathematical Classics" probably includes part of the mathematics of junior high school and high school in later generations. Most of the problems in it can be answered with high school knowledge. The mathematics level of a prospective college student who has just passed the college entrance examination is undoubtedly a dimensionality reduction blow to the people of Daxia. Of course, the same may not be true for college students...
Song Muer completely understood the questions assigned by the teacher. Seeing that Li Nuo was reading, she did not disturb him. She ran to the yard and said to Song Jiaren, "Sister Jiaren, can you see if my kung fu has improved..."
Li Nuo was reading a book with great interest when he suddenly heard a series of noises in his ears.
He turned his head and saw Song Muer practicing martial arts in the yard. Every time she swung her small fist, there was a sound of breaking wind. She hit a tree as thick as a bowl with one palm, and the thick trunk shook violently. Li Nuo even felt the ground shaking under his feet.
Li Nuo was stunned by this scene.
Is this a six-year-old kid?
After all this time, she didn't just say she wanted to protect herself...
She really has this ability!
Just as Li Nuo was shocked at how such powerful strength could be contained in her small body, footsteps were heard coming from the gate of the courtyard.
Two figures slowly walked into the courtyard.
The man standing at the back with a smile on his face is Butler Wu.
Walking in front was an elegant middle-aged man.
The middle-aged man had an upright figure, and was probably about 1.8 meters tall. He had an angular face, clear-cut features, and three long wisps of beard on his chin. He walked at a leisurely pace, and he seemed to have an indescribable temperament.
If I had to describe him in one word.
That's handsome.
So damn handsome.
Li Nuo has been dealing with Pei Zhe, the magistrate of Chang'an County, these days. Pei Zhe is quite handsome, but his temperament is a bit vulgar. He is inferior to this middle-aged man in terms of appearance, and his temperament is instantly crushed by him.
If I had this kind of temperament when I was in my thirties and almost forty years old, wouldn’t I have charmed countless young women?
Butler Wu, who usually bosses the servants around in front of Li's residence, is now following the middle-aged man respectfully. The man's identity is not difficult to guess.
It is obvious that this elegant, handsome and extraordinary middle-aged man is the current Chief Justice of the Dali Temple, the owner of the Li Mansion, and the father of his current body.
Li Nuo has been in this world for a few days, and this is the first time I see him.
Butler Wu came running over and said with a smile, "Master, the master is back..."
In his previous life, Li Nuo's parents died for some reason when he was very young. He was raised by his grandmother. The word "father" seemed a bit distant to him. At this moment, facing this stranger whom he met for the first time, he couldn't even utter those two words.
The middle-aged man walked slowly to Li Nuo and asked softly, "Are you feeling better?"
Li Nuo came back to his senses and said with his head down: "At the birthday banquet the day before yesterday, the old lady gave me a farmer's birthday peach as a reward... and I have recovered."
The middle-aged man asked again: "Can't remember what happened in the past?"
Li Nuo nodded and said, "I can't remember anything at all."
The middle-aged man said, "It doesn't matter. If you can't remember it, just forget it. If you need anything, just tell Butler Wu..."
After just speaking a few words to Li Nuo and patting him on the shoulder gently, the middle-aged man turned and left.
Li Nuo could see that this senior official of the current dynasty did not seem to be good at communicating with his son.
It just so happened that Li Nuo was not good at this either, and this peaceful way of getting along between father and son made him feel more relaxed.
When the middle-aged man left, he nodded slightly to Song Jiaren who was standing in the yard.
Song Muer hid behind Song Jiaren, seeming a little scared, clutching her clothes tightly with both hands, leaving only her head exposed.
Li Nuo came over, rubbed Song Muer's head, and asked, "Are you afraid of him?"
When facing Song Yu and others, she dared to stick out her chest and stand up to say that she would protect Li Nuo. Unexpectedly, Song Muer, who is fearless, also has people she is afraid of.
Song Muer nodded and said, "They said Uncle Li's methods were very powerful, and many people died in his hands."
Li Nuo asked: "Who said that?"
Song Muer said: "Brother Yu and the others."
The Dali Temple was in charge of criminal cases. In Daxia, the power of local government offices was limited. All sentences above exile, including the death penalty, had to be reviewed and signed by the Dali Temple Minister, so it was not wrong to say so.
Li Nuo smiled and said, "He only kills bad guys. Mu'er is a good person, so you don't have to be afraid of him."
"Of course he is a good person, Song Ning'er is the bad person..."
After hearing what Li Nuo said, Song Muer finally felt relieved and ran to the side to ravage the poor tree again.
Song Jiaren looked at Li Nuo with a strange look in her eyes, which contained some inexplicable meaning. Li Nuo noticed her gaze, touched his face, and asked unsurely: "Is there something dirty on my face?"
Song Jiaren shook her head: "No."
Li Nuo muttered quietly: "Why are you looking at me if I'm not here..."
Song Jiaren looked over again.
Li Nuo walked towards Mu'er and said, "Just take a look. It won't cost you anything. It's no big deal..."
I will update one chapter today during the day, and then two more chapters around 11:00 to 12:00 p.m. to make up for next week's reading time and see if I can make it into the new book list. One more chapter will not be counted as an extra chapter by the leader.
(End of this chapter)
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