"I think of happy things."

"What are you happy about?"

"I will be able to indulge in the ocean of knowledge later."

"???speak English."

"Go to the library, do you want to make an appointment?"

"No appointment, no appointment."

The corner of Su Lu's mouth curled up: "Anyway, I didn't want to make an appointment."

After all, he has already made an appointment with sister Shiyuan.

Wang Yang: "???"

Putting the phone in his pocket, Su Lu picked up his schoolbag and left the dormitory.

On the streets of the campus, you can still see the "green hats" who are late for bed, rushing to the playground.

Su Lu silently mourned for them for a while, remembering that when they were training in the military, the instructor was the captain, and he was very strict. After a guy was late, the others stood in the military posture for 10 minutes and took a rest. It is also full of playing cards, but if the angle is crooked, it will continue for 5 minutes.

So no one dared to be late after their class.

……

On the way, I came to the downstairs of the female dormitory for graduate students, and saw a slim girl standing under a street lamp, looking forward to it.

She was carrying a cloth bag in her hand, wearing a light blue shirt, and her two long legs wrapped in light-colored jeans were straight and elegant.

Su Lu stepped forward and came to her.

"Miss Shi Yuan."

"Come on brother!" Ning Shiyuan said imitating the tone of the source.

Su Lu said in a very milky tone: "Come on, young lady."

Ning Shiyuan had a chill, patted his arm and said: "Go, don't learn from the Internet, I can't stand it."

Su Lu raised his eyebrows: "What can't you bear?"

Ning Shiyuan rolled his eyes at him, "That's the tone."

"..."

Su Lu felt a little regretful that Ning Shiyuan didn't hear the hidden meaning of his words, but after thinking about it, he didn't hear it, so as not to be beaten.

He helped Ning Shiyuan take her cloth bag, hung it on his shoulder, and said, "Let's go."

Seeing Su Lu's initiative, Ning Shiyuan fluttered her eyelashes, and suddenly squinted her eyes and asked: "Brother, you are very skilled in helping girls carry things, tell me, have you had several girlfriends before?" ?”

Su Lu: "..."

Are girls so thoughtful?

"No way! I've never had a girlfriend, okay! Who said you have to have a girlfriend to help a girl carry things?" He said angrily, then took off the cloth bag and pushed it in front of Ning Shiyuan, " Well, then you can mention it."

Ning Shiyuan was inexplicably happy when she heard that Su Lu had never had a girlfriend, she smiled, and quickly pushed the bag back.

"No, my brother is the best, help my sister to carry it."

Only then did Su Lu pretend to be disgusted and helpless, and hung up the cloth bag again.

The two left side by side, first went to the cafeteria to have breakfast, and then came to the library.

Because it was the first weekend of the first semester, and the postgraduate entrance examination army had not yet reached the time of dire straits, the library that only opened in the early morning was still very clean, and there were not many people.

Su Lu and Ning Shiyuan found a good seat, located under the window, outside the green belt, with a wide view, the sun is rising, and the bright morning light spreads on the window, with a rather poetic taste.

The two sit facing each other, and when they raise their heads, they can see each other's face, which is pleasing to the eyes for two people with very good looks.

Su Lu took out the econometrics practice questions that she had printed out and started to do the questions, while Ning Shiyuan took out the computer, opened various reference books, and got a headache for her doctoral thesis.

Her doctoral dissertation is in the direction of securities investment theory. Theories are easy to design but not easy to design. A wider range of knowledge is required.

The two of them were doing their own things in this way, and the library was very quiet, making people forget the usual impetuousness.

From time to time, someone walked by, or found a nearby seat, gently moved the chair, and slowly sat on it, trying not to make too much noise and affect others.

It was the first time for Su Lu to do exercises seriously. He printed a set of end-of-term review questions online. There were fifty questions in total, all of which were related to calculation.

Mathematicians are just doing problems.

Chapter 46 The God of Learning

The most interesting thing about doing math problems is the sense of accomplishment brought by an accurate answer after complicated thinking, which can make people feel extremely happy.

Basically everyone feels this way.

It took Su Lu nearly two hours to complete 49 questions without stress, and he suddenly became addicted.

It's just that the difficulty of these questions is not enough for him, and the pleasure brought by doing them is not very great.

He originally thought that fifty questions would be enough for a whole morning, but he finished them all before ten o'clock.

He hadn't gotten used to his mental strength at this time. Since his mental strength grew, he hadn't done a lot of questions, so he didn't know how powerful his thinking ability and calculation ability were.

When he started to think about problems, his thinking speed was three or four times faster than before, and he was able to guarantee absolute concentration. In addition, these questions were all basic questions, so he couldn't help him.

Looking at the question, this question looks a bit interesting. It is divided into two small questions. Several testing methods are needed, including t-test, chi-square test, and various calculations.

Su Lu picked up the pen and began to write, his mind immersed in the topic, and the sunlight passed through the one-person-high window and sprinkled on half of his cheeks without noticing it.

Sitting opposite him, Ning Shiyuan turned over a page of "Securities Investment" in her hand. After sitting for so long, her body couldn't take it anymore, so she put down the book, stretched her neck on the chair, and stretched her waist.

Her figure is very good, the indescribable thing on her chest may have a scale of D, the light blue shirt is propped up, and when she stretches her waist, she outlines a seductive curve.

It's a pity that the boy sitting opposite her didn't notice this style, and he didn't even raise his head in the past two hours, which made her resentful.

Is she so unattractive?

But she didn't attract Su Lu herself, but she was attracted by Su Lu herself.

He looked at the draft paper with a serious face, and kept writing calculations on the draft paper with well-defined, slender hands. Half of his cheeks were plated with gold, and the nine o'clock sunlight passed through the curtain, as if from a realistic It's the same as wearing it in the painting.

Full of poetry and picturesque.

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