Li Zexuan went to sleep beautifully, but Tie Dan was still sweating outside. He was only a seven-year-old child, and it was really difficult for him to run such a long distance, not to mention that he had stood on the pile for half an hour before running.

Tie Dan's legs were a little weak when he reached the fifth lap, and at this time he was completely relying on his strong will to try to step his legs.

"Brother Tiedan, what are you doing running around?"

After Lan'er got up, she originally wanted to find Tie Dan, but she was told by someone that Tie Dan was running around the Li Mansion outside, so she came out to guard the door, and when Tie Dan ran over, she asked curiously.

Tie Dan was panting at this time, his face was pale, he was really tired, and he didn't want to talk at all, but thinking that Lan'er usually took good care of him, he explained briefly.

"Master... Let me... Jogging! ”

As he spoke, he only slowed down, and after he finished speaking, he continued to grit his teeth and insist on regaining his speed.

"Hey, don't run away, rest for a while!"

Lan'er also saw that Tie Dan's face was wrong at this time, and hurriedly chased after him and shouted.

Tie Dan shook his head and didn't stop, he didn't dare to speak now, and he didn't dare to stop and rest, because he knew in his heart that as long as this breath was vented, then he would probably never be able to run again.

Lan'er followed for a while, and slowly felt tired, she saw that Tie Dan had been running with her head buried and ignored her at all, the little girl stopped, stomped her feet negatively, Jiao "hum", turned around and went back to the yard, no longer caring about Tie Dan.

……………

After Li Zexuan got up and washed up, he came to the front yard and saw him sitting on a stool, pale, soaking wet, holding a big bowl of iron eggs drinking water, and Lan'er and his mother were sitting next to him.

"Brother, what did Tie Dan do wrong, you want to punish him like this? Brother, don't let Tie Dan run, okay? ”

When Lan'er saw Li Zexuan coming in, she hurriedly stepped forward and pulled her brother's arm and said coquettishly.

"Xuan'er, you are really, how can such a young child as Tie Dan withstand such a tempering."

Mrs. Li also said to the side, she can't see others suffering, not to mention that she has been with her for so long, she has regarded Tie Dan as half a son, and now she is also a little distressed when she looks like Tie Dan.

Inexplicably being regarded as a villain by the little sister and the old lady, Li Zexuan was also a little depressed in his heart, he touched his nose, and was about to open his mouth to explain, when he saw Tie Dan hurriedly put down the water bowl, stood up and bent over Mrs. Li and said:

"Grandma Shi ("Master's Mother" and "Master's Father" are two special titles, Chinese is still "absent", let's use this for the time being, you can leave a message in the book review area if you have better), this is Tie Dan himself wants to run, no wonder Master, Tie Dan Xie Grandma cares. ”

Don't look at Tie Dan going crazy and lawless with the bear children in Hanjiazhuang, after experiencing so many things, he has stayed in the Li family for so long, people are warm and cold, right and wrong, he has already distinguished it very clearly. The current Tie Dan is no longer the hairy boy who didn't understand anything at the beginning, and he respects and appreciates the elders who really care about him.

Li Zexuan rubbed Lan'er's head, and then Tie Dan's words said: "Mother, Tie Dan is learning martial arts, and he doesn't endure hardships. As the so-called sword edge comes from sharpening, and the fragrance of plum blossoms comes from the bitter cold, when the child practiced with the master, he also came over like this. ”

"The edge of the sword comes from the sharpening, and the fragrance of the plum blossom comes from the bitter cold?" Mrs. Li muttered twice, her eyes lit up, and she said in surprise: "Xuan'er, do you still know how to compose poems?" ”

Mrs. Li was also a beautiful lady when she was young, and since she had read books, she could also taste these two lines of poetry as high-quality, so she was a little shocked.

"Ahem, this is all from my master, not me, not me..."

Li Zexuan hurriedly waved his hand awkwardly.

He is just an engineering man, he only remembers a few poems, if he is regarded as a poet with literary style, then what if others ask him to write poems in the future, he can't do it.

Mrs. Li glanced at her son suspiciously, then turned and left.

……………

"One by one, one by two, one by two, one by three, three by three............."

In the afternoon, Li Zexuan found a room in the West Courtyard to serve as a classroom to teach primary school mathematics to Tie Dan, and Lan'er was also listening.

In his previous life, others gave him lectures, and now it's his turn to lecture others, which feels quite fresh, although only two little dolls are listening to the lectures.

There is no blackboard and no chalk, Li Zexuan is still a little unaccustomed. He could only use the two elementary math books he copied in the morning, give one to each of them, and then tell them one by one, of course, this book only contains the most basic knowledge of addition, subtraction, multiplication and division.

In fact, as early as the Spring and Autumn Period and the Warring States Period, there was a multiplication formula, which was called "Ninety-Nine Songs" at that time, and the original Ninety-Nine Songs were based on "Ninety-Nine Eighty-One" to "Two-Two as Four", a total of 36 formulas.

However, in order to make Tie Dan better accept other mathematical knowledge in the future, Li Zexuan asked him to learn modern multiplication tables and Arabic numerals.

"Master, what kind of text is this? Why do we use this kind of text to count? ”

"This is a big food text, it will be much more convenient to count with it in actual calculations, and you will understand its benefits when you get used to it."

"Oh."

At this time, Xiaohe's voice came from outside the door: "Young master, there is a white-clothed boy surnamed Wang from outside the mansion, saying that he wants to talk to you about a big business." ”

Li Zexuan was a little puzzled, how could anyone talk to him about business? But now is not the time to think so much, he said to Lan'er and Tie Dan: "You guys are here to memorize the multiplication table and learn the big food numbers, I have to check when I come back." ”

"Oh!" Lan'er replied with a pout, she was still angry with Li Zexuan for what happened in the morning.

"Yes, Master." Or the iron egg is more honest.

Li Zexuan nodded, pushed the door out, and asked as he walked with Xiaohe, "Xiaohe, what business does that person want to talk to me about?" ”

Xiaohe was a little annoyed and said, "Young master, that person didn't say anything." There was also a woman with a sword next to him, and the woman's face was cold, as if she wanted to kill someone, young master, you must be careful! ”

Li Zexuan was even more puzzled when he heard this, among the people he knew, there was no such strange combination.

"Well, then we'll meet them. This is at the foot of the Son of Heaven, your young master and I are still a baron personally appointed by His Majesty, are you still worried that the woman will eat your young master? ”

Since he couldn't think of it, Li Zexuan didn't think much about it, and wanted to go and meet that person in person, so he knew everything.

Xiaohe lowered his head and thought, yes, the young master is now a baron, and he can be regarded as a member of the imperial court, not everyone dares to be unfavorable to the young master. As soon as the little girl thought of this, she no longer worried about Li Zexuan, and went to the front yard with Li Zexuan.

………………

The edge of the sword is sharpened, and the fragrance of plum blossoms comes from the bitter cold. There are three theories about the origin of these two poems, one is that it was written by Du Fu, the second is that it was written by Lu You, and the third is that it was written by Zhu Xi.

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