The Dangerous Cultivator

Xu Yi said nothing. When he walked in the door, he caught everyone's attention, and the middle-aged man stared at Xu Yi. Xu Yi stepped forward and whispered, "The principal is looking for you, urgent."

After speaking, turn around and leave.

Youtou was stunned and waved, "Everyone learns first, and the homework is the three-unit homework problem. The bell rings and everyone goes on their own."

Then, hurriedly chasing Xu Yi, "Hey, which teacher are you, why haven't I met?"

He looked at Xu Yi's cool and lightly short-sleeved shorts, and made a murmur in his heart.

Xu Yidao, "I am the new teacher Xu from the school. Secretary Discipline Cui is running the school. Come on, I think Secretary Cui is very angry."

He remembered the name of the school's leadership when he was flying past the school board.

Youtou's middle-aged body suddenly weakened and Xu Yi held him up. "When it comes to the end, you won't think about leaving it. Think about your own problems and strive for leniency."

"I, I really ..."

Youtou is still crying.

Xu Yi sighed and said, "I'm soft-hearted too, you go and wash, this sweat, by the way, also calm down."

Middle-aged Youtou was pardoned, rushing towards the rest room, Xu Yi followed.

He ran up to the most inner room on the sixth floor. The middle-aged man opened the door. Xu Yi then entered, closed the door, and dragged the middle-aged man into a chair. Don't ask, tell me about calculus. "

Youtou is middle-aged, staring at Xu Yi like a monster.

Xu Yi had no time to explain to him, and took out a kitchen knife that had been used to pass through the residential area. Without a word, he stabbed a knife on his arm, peeling his skin and exposing a terrible wound.

There was no blood dripping and it was more impactful. The middle-aged middle of the oil head was quiet for an instant, and he was no longer entangled with the reason why Xu Yi got this out.

He only knew that he could be so **** himself and better at others.

Xu Yi dragged the pen and paper on the table and quickly reproduced the problem of the client on the paper. "May the calculus be solved?"

The middle-aged man in the oil head grabbed the neutral pen in Xu Yi's hand, took out a new manuscript paper, and began to list the calculations on the paper. He said, "The calculus is not enough. This also involves a problem of curvature, limit and indefinite integral. All the knowledge points are used ... "

Brushing it, but for more than a minute, the oil head was finished in middle age and the final results were listed.

Xu Yi took the paper and couldn't understand it.

He knew that this was because his related knowledge had no foundation. At the moment, he dragged his head to start with calculus.

The middle-aged head of the oil head is extremely large, but it does not consume Xu Yi's vegetable blade, which can only be started from the beginning of calculus.

Unexpectedly, Xu Yi's understanding ability is amazing. Often he only starts his head and clicks the key. Xu Yi can repeat it. When he encounters Kaner, he dials two more words, and Xu Yi is suddenly bright again.

The entire knowledge of calculus, but after half an hour, Xu Yi mastered all.

Again, mathematics is a technology and an idea. Once you have a deep mathematical idea, it is not difficult to master specific technology.

Xu Yi did not go to the Internet cafes Baidu Calculus, but chose to rush to the university, it is expected that the problems may be encountered during the study process, but also need people to answer in a timely manner.

After discussing calculus, the middle age of oil head began to talk about curvature, limit, indefinite integral, Lagrange's theorem ...

The speed of Xu Yi's grasp made the middle-aged man in oil head secretly sulking. He even wondered if all of this was a prank. Otherwise, this man obviously has such terrible mathematical ability.

After Xu Yi had thoroughly understood the relevant knowledge points to solve the problem of the client, he wrote a few mathematical problems in the practice world that he could not think about.

Youtou middle-aged said, "What the **** is this? I don't even understand the subject. It's too complicated. You have to go to the Academy of Sciences."

The answer from the middle age of Youtou verified Xu Yi's guess that the mathematical ability of this world may not exceed that of the world, but as far as mathematical tools are concerned, the mathematical tools of this world are too sharp.

"What other mathematical tools similar to calculus, let me know, hurry up!"

Xu Yi stroked the kitchen knife in his hand, and the middle-aged oiler shuddered. He really didn't understand how the guy in front of him perfectly combined the two images of thirst for knowledge and evil spirit.

Suddenly, Xu Yi's gaze swept across the thick bookshelf on the left wall. He rushed forward and began to search. Soon, he locked most of the book about function and began to work hard.

He reads and inquires. It is often a lot of basic mathematical knowledge that needs to be reconstructed when he starts to get started. Once the construction is completed, he reads the speed of most tombs, just like a money counter.

In a blink of an eye, three hours passed. Xu Yi finished more than ten large books in a row. He also flipped through the rest of the books, because it was not challenging and not worth his study.

Suddenly, Xu Yi thought of the library. There were so many people there that condensed the crystallization of human wisdom in this world. Then glanced at the middle-aged oil head, he suddenly felt that this person was a bit unsuitable. Tao Zhexuan is just fine, but unfortunately time is not enough, first plan to tie an old professor.

"Brother, who in our school is the number one guy in math."

Xu Yi asked the middle-aged staring at the oil head.

The middle-aged middle-aged man in Youtou knew what the fight was about. He was anxious to find someone else. As for the ending of the other person, he really couldn't control it. The scene in front of him was too frightening. After he escaped, Just call the old professor.

The oil head was about to open in the middle of the year. The clouds in the outer sky suddenly tilted a bit, and numerous screams came. Xu Yi yanked the door open, and the sun suddenly smashed from the air to the ground, exclaiming.

At this moment, a fierce handprint was shot, and Xu Yi had no room to hide, and the consciousness suddenly fell into the darkness when he was shot by the big handprint.

"Wake up, wake up, finally wake up ..."

"Chaoruqingsi turns into snow, hard thinking is so sad."

"Gas machine is fading, and I'm afraid there will be nearly a hundred yuan in damage."

"Mr. Xu, are you okay ..."

"........."

With the chaotic noises in his ears, Xu Yicai opened his eyes and felt that he was very heavy.

A few strands of silvery hair fell down, and he reached out and grabbed the hair, and was stunned by his swollen ridges, furrowed and goose-skinned hands.

He took out a mirror, and in the mirror, he was as thin as a wood, with gutters on his face, his crane waving, and he looked older than the centuries-old man of ordinary people.

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