"Gu Qingyuan, come with me."

Gu Qingyuan, who was originally sitting in her seat, suddenly heard Master Jiang calling her name. She immediately stood up and walked towards her.

She followed Master Jiang, who took her to a room full of books and papers and picked out a few books for her.

"I just forgot to give you the book, take these first."

Gu Qingyuan took it and looked at it, and found that this was the book that Master Jiang had just talked about.

After getting the books, classes will continue.

This time, a different person gave them the lecture. In addition to studying scriptures and ancient Chinese texts, they also had to take other courses in the academy.

In arithmetic class.

The lecturer in front was teaching arithmetic to the students below. She saw Gu Qingyuan sitting below and wanted to make things difficult for her.

"Gu Qingyuan, stand up."

In full view of everyone, Gu Qingyuan stood up.

The lecturer asked a question: "There are pheasants and rabbits in a cage. There are thirty pheasants and rabbits on the top and eighty percent on the bottom. How many pheasants and rabbits are there?"

Pheasant means pheasant.

As soon as the lecturer finished speaking, the students took out papers and started calculating.

After hearing this question, Gu Qingyuan thought about it briefly.

Isn’t this the same problem as the chicken and rabbit in the same cage?

Seeing her thinking, the lecturer thought she was stumped and looked at her with contempt.

After calculating in his head, Gu Qingyuan replied, "20 pheasants, 10 rabbits."

After checking the calculations, the lecturer was shocked.

The students below were even more surprised. How could she calculate so quickly?

In the past, when they encountered this kind of problem, they would list a whole page of answers, starting from 1, and counting until they found the right number.

But this Gu Qingyuan actually figured out the answer right away!

"Gu Qingyuan, how did you come up with this number?" The lecturer on the podium stared at Gu Qingyuan. She must have been talking nonsense, otherwise how could she have calculated it so quickly?

The people below also cast their eyes towards Gu Qingyuan. Ye Li next to her was even holding a pen in his hand. After verifying the answer given by Gu Qingyuan, a look of shock also appeared on his face.

Isn’t this just a simple linear equation with two variables? You can get the result by simply subtracting the equations.

Gu Qingyuan said, "It's very simple. The sum of a pheasant and a rabbit is 30. Pheasants have two legs, and rabbits have four legs, so two pheasants plus four rabbits equals 2. So we multiply the first condition by two, so two pheasants plus two rabbits equals 80. Then we subtract the number from the sum of two pheasants plus four rabbits, which equals 2, and we get two rabbits equals 2. So the rabbit is 2, and the pheasant is 60."

Pheasant + Rabbit = 30

2 pheasants + 4 rabbits = 80

Originally wanted to say x and y, but afraid that they wouldn’t understand, Gu Qingyuan used pheasant and rabbit to represent them.

The students below were confused, but after calculating according to Gu Qingyuan's method, they felt suddenly enlightened.

The lecturer stared at her and asked, "Did you come up with this method yourself?"

"I met a wandering teacher before, and she taught me."

Gu Qingyuan took out the speech he had prepared earlier.

The lecturer on the stage fell silent.

They thought that this question would stump Gu Qingyuan and make her embarrassed on her first day in the academy, but they never expected that Gu Qingyuan would teach them a lesson instead.

In the following time, the lecturer was not convinced and asked Gu Qingyuan a few more questions, and she answered them quickly, as if the two of them had colluded in advance.

But when Gu Qingyuan told everyone her method of solving the problem, everyone calculated it according to her method and found that the result was fast and simple.

Everyone had subtle expressions and was talking about it.

"It's definitely more convenient to calculate this way!"

"This is the first time I've seen this kind of algorithm. This Gu Qingyuan has something."

"I think the master she mentioned is still the most powerful one. She is nothing."

Gu Qingyuan didn't care too much about what they said. Let them say whatever they wanted. It didn't hurt at all.

Gu Qingyuan stole the show in the academy on her first day. Some students who originally looked down on her became more and more curious about the wandering teacher she mentioned.

……

"Hey, why don't you leave?"

When school was over in the afternoon, Gu Qingyuan had already packed up and was ready to go home.

But she saw Ye Li sitting in his seat motionless, and his face looked a little ugly.

"Do you live in the college?" Gu Qingyuan asked casually.

Ye Li shook his head and lay down on the table.

She spoke weakly, "You go first."

"No, we're at the same table after all. If you feel unwell, I'll get you a doctor."

"No need!" Ye Li's voice was very decisive. After he finished speaking, he leaned on the table again, "I'm really fine. You can go first. I'll be fine in a while."

Gu Qingyuan felt that she looked a bit like...

Dysmenorrhea.

But in this world, women don't have their periods. Gu Qingyuan shook her head and threw the idea away.

"Um, are you really okay?" She asked Ye Li again with concern.

Ye Li nodded weakly and urged her to leave.

"You go back first, I'll go back later."

The two of them had only known each other for one day, and since it was getting late, Gu Qingyuan really planned to go back, so she said goodbye to her, "Okay, I'll go home first. You should go back early too."

Ye Li got up from the table only after Gu Qingyuan left.

Her face turned pale. When she was sure that she was the only one around, she stood up and saw a bloodstain on the chair.

Gu Qingyuan left the academy and returned home.

General Gu was very happy about her first day at the academy. He called her to his courtyard and asked, "How was your day?"

Gu Qingyuan picked out some interesting things in the academy and told her about them. Seeing her energetic look, General Gu smiled and nodded.

"Okay, since you're fine at the academy, if someone bullies you..."

Before she finished speaking, she looked at Gu Qingyuan's tall figure and took her words back.

"Just don't bully your classmates."

In Baichuan Academy.

Master Shen and Master Jiang sat together with the lecturer who taught them arithmetic.

Master Shen asked, "How did Gu Qingyuan perform today?"

Master Jiang replied, "She behaved well today and didn't cause any disruption or bully her classmates. I wonder what will happen next."

"That's good. Actually, I feel that Gu Qingyuan is completely different now than before. Maybe she has grown up."

The lecturer said, "I feel that Gu Qingyuan has great potential. I have never even heard of some of the theories she mentioned."

"Oh? How do you say this?"

The lecturer then told the story of asking Gu Qingyuan a math problem in class. After listening to it, Master Shen and Master Jiang looked at each other and sighed, "It seems that her master really taught her well."

"It would be great if we could get to know her master."

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