After sleeping until noon the next day, Jiang Han woke up leisurely.

"Shhh

"It hurts!"

"It hurts!"

Jiang Han only felt that his brain was still in pain, as if he had been poked by a needle.

He finally couldn't help but ask, "System, why is the sequelae of this accelerated absorption so serious!"

System: "Every effort will be rewarded." In the same way, behind every harvest, there should be an equivalent payment. ”

"So my dedication is ...... Pain in the head?"

System: "You can understand it that way. ”

"Okay. Jiang Han sighed, lay on the bed sideways and closed his eyes to recuperate, until his mother Zhang Mei finally couldn't stand it anymore, and angrily walked into the bedroom and asked Jiang Han to get up and wash and eat, and then he felt that the headache had eased a little.

During the summer vacation, Jiang Han honestly read all the math books in college.

He didn't dare to speed up the absorption anymore.

After all, the sequelae of the headache after accelerated absorption are still vivid.

Anyway, there is plenty of time, and it makes no difference to him whether he accelerates or not.

Therefore, during the summer vacation, after reading college mathematics, his mathematics experience value also reached more than 100 points.

Soon September will be here.

This year is once again the beginning of the school year.

Jiang Han accompanied by his father and horse to this well-known university in China-Qing University.

Under the guidance of the orientation seniors and teachers, Jiang Han quickly completed the procedures and successfully became a freshman in the Department of Mathematics, and then came to the dormitory area and found his dormitory.

There are four people in each dormitory, and it seems that only one person has come at present, Jiang Han found the second bed, put the bedding and other things and laid them out, and then accompanied his parents to have a meal on campus, and walked around the campus for a while, and then sent his parents out of the school gate.

After his parents left, Jiang Han only felt that he had been running around for a day, and he was tired from the boat and car, and he was just about to go back to the dormitory to rest for a while.

【Ding!Please choose a task for the host!】

[Task 1: Strengthen your body.

Description: The body is the capital of the revolution, if you want to become a qualified student, you must first have a good body, be able to outrun reporters, beat zombies, and burst the liver for 72 hours in a row. Exercise is urgent, and please start now.

Requirements: Complete a 10-kilometer jog in one hour (repeat the challenge if you fail the challenge).

Reward: 20 points. One chance to draw a prize. 】

[Task 2: Develop contacts.

Description: As a top student, in addition to learning to engage in scientific research, necessary social interaction is essential.

Requirements: Professor Wu Changping, head of the Department of Mathematics of Heqing University, has developed his favorability to friendly (i.e., the favorability has reached 30).

Reward: 20 points. One chance to draw a prize. 】

[Task 3: The life of a scholar cannot be slack

Description: As a top student, learning is not to be slack.

Requirements: Accumulate 24 hours of study in the library (the study time will enter the countdown after the task starts).

Reward: 20 points. One chance to draw a prize. 】

Uh, three tasks?

Choose one?

Jiang Han fell into deep thought.

10 kilometers of continuous long-distance running for an hour...... I'm afraid that the physical fitness of ordinary people really can't be taken down.

As for task two, develop Favorability...... It doesn't seem impossible.

It's just that...... Who is Professor Wu Changping, where is he now, and what are his hobbies?

Forget it, it can't be developed.

Anyway, the rewards seem to be the same, and no matter which of the three tasks you choose, there doesn't seem to be a big problem.

In that case, it is better to choose task three.

You only need to hang for a long time, and the difficulty is not very great.

Thinking of this, Jiang Han chose task three without hesitation.

The life of a scholar is not allowed to slack off!

Once the task is selected, it cannot be changed, it can be completed within an unlimited time, it costs 100 points to abandon the task, and the host's current points are 100, do you confirm the choice?]

"Yes!"

【Ding!Choose successful!】

There was a blur in front of him, and there seemed to be a change in the attribute template, in his attribute bar, in the task line, from nothing to task three.

"Okay, after looking at the dormitory, it's not okay to go back to the dormitory to rest, let's go and finish the task early. ”

Jiang Han looked at the direction, walked on the road and asked a few classmates, and then found the library of Qing University.

"It's huge!"

He sighed.

Walking into the library, Jiang Han found that even though today was the first day of school, the library was still full of people reading and studying.

"Qingda is really different!"

Jiang Han walked to the bookshelf of the mathematics classification and prepared to pick out a few books.

Whenever his hand touched the math book in the library, an option would automatically pop up in front of his eyes:

[Touching on the 'foundations of Didogne's modern analysis', do you choose to learn from experience?]

[When you touch on the 'Mathematical Analysis New Lecture Zhang Zhusheng Edition', do you choose to learn from experience?]

......

Jiang Han took down the book of "Zhang Zhusheng Edition of New Lectures on Mathematical Analysis", found a relatively quiet position, and sat down.

The moment he chooses to learn from the experience and enter the learning state, the countdown to the last time of the task line on the attribute template also begins.

It seems that when the system learns experience, Jiang Han is able to enter a state of high concentration every time. It's like being completely forgetful, there is only a book in front of you, and nothing else.

Time passed minute by minute, and there were fewer and fewer people in the library, and Jiang Han didn't notice it at all.

It wasn't until someone tapped him on the shoulder that he came to his senses from his state of forgetfulness.

"Classmate, it's half past nine, and the museum is closing. The student who works part-time in the library reminded.

Coming back to his senses, Jiang Han said a little embarrassedly: "I'm sorry, classmate, I was so engrossed that I forgot the time." ”

"What book are you reading?"

"Well, mathematical analysis ......"

"I've been working part-time here for so long, and it's the first time I've seen someone who can read a math book so easily. "The part-time classmates were amazed.

"It's nothing, math is actually quite interesting. Jiang Han chatted with the students in front of him for a few more words, and then left the library and returned to the dormitory.

As soon as I walked to the door of the dormitory, I was stopped by the aunt of the dormitory administrator before I could enter.

"Are you a freshman?"

Jiang Han smiled: "Yes, Auntie." ”

"Do you know what time it is?"

"It's ten o'clock. ”

"Don't you know the 10 o'clock curfew?"

Jiang Han scratched his head embarrassedly, "This...... I really don't know. ”

"Do you know the consequences of returning late?"

"I don't know ...... either"

Aunt Dormitory Administrator was a little angry, "The attitude is not good, I didn't expect that as a freshman, I would return late on the first day of school, let's talk about it, where did you go, why did you go?"

Jiang Han explained: "That, Auntie, I just came back from the library!"

"Library?Freshmen go to the library on their first day?Who are you fooling?"

"Don't believe it, you see this is a borrowed book from the library!" said Jiang Han and hurriedly handed over the book in his hand.

"Is it?" Aunt Dormitory Administrator took the book "Mathematical Analysis New Lecture Zhang Zhusheng Edition", flipped through it casually, and then asked, "Do you understand?"

"Got it. ”

"Did you read the real part?"

"Looked. ”

The dormitory administrator's aunt turned the page and said directly: "Let a and b be real numbers, then there is a unique real number u, so that for any decimal α that meets the conditions α<=a<=a', β<=b<=β', α', β, β', there are α+β<=u<=α'+β...... Please prove. ”

Jiang Han: "......"