Daiyu: After being reborn, who still wants to be a yandere?

"First of all, I want to say that this classmate... has a really good memory..."

Yes, Lin Xi knows how to play the game of first praising and then criticizing. Let me first affirm you and point out your advantages. There seems to be nothing wrong with it on the surface. I am very fair!

Sure enough, as soon as she said this, the students in the audience immediately focused their attention and were immediately attracted by her. Following her words, Wang Xiaoli even raised her hand and took the initiative to act as a supporting role:

"Lin Xueba, what do you say?"

Lin Xi smiled and said:

"Don't worry. Look at her derivations. They are indeed written just like the derivation steps in the textbook. At first glance, they are impressive and perfect, right?"

After saying this, she held the chalk in her hand and drew a long horizontal line on the derivation of Daiyu's formula in a serious manner.

Next, she grabbed her phone from her pocket, quickly searched Baidu, and slid the chalk in her right hand down to carry out the next promotional operation:

“It’s just that we haven’t learned the mean value theorem of integrals yet, right?

For this point, I have to praise this student from the liberal arts class. She has already memorized the university calculus textbook.

However, what I want to say is that learning mathematics cannot be too ambitious. We need to be down-to-earth and lay a solid foundation step by step..."

Daiyu had already returned to her seat at this time, but after hearing Lin Xi's comments, she looked a little impatient. The foreshadowing of the original owner's sister was too long, so she was too lazy to listen any further.

She stood up and asked:

"So, what do you want to express?"

Lin Xi was obviously very satisfied with what Daiyu asked. She began to do something, underscoring the "Mean Value Theorem of Integrals" on the blackboard with chalk, and replied:

"Because this classmate wrote a vague theorem, I just went online to search for it..."

Then she shook her head and said:

"It's still what I said just now. If you can't walk, you want to fly. This kind of math learning mentality is very problematic."

The students in the audience were actually a little confused. For ordinary high school students like those in No. 6 Middle School, what they usually learn are quadratic equations, basic functions and basic geometry knowledge.

The slightly more complicated permutations and combinations and the binomial theorem are enough to make them scratch their heads, not to mention asking them to listen to these advanced mathematics and calculus, which is almost confusing.

Lin Xi saw the students below the stage, their pupils dilated with a clear and foolish look in their eyes, and she felt proud inside, because this was the effect she wanted.

She held up her phone and began to empathize:

“In fact, I also think that it is up to us to learn what knowledge we need at a certain position. Since we are high school students, we only need to learn the knowledge at the current stage.

However, since this classmate has listed so many misleading formulas, I might as well explain them to everyone.

Let me tell you the answer first. For the first question, after I solved it and wrote the formula, the final answer is 'the assumption is not true.'"

Below the stage, Mr. Wang, a math teacher in the first class, was holding the test papers in his hands and making revisions and marking them.

Because Daiyu answered the questions well in the previous few times, he corrected her paper today.

Daiyu lived up to his expectations and scored a perfect 100 points.

Lao Wang had long been fed up with this so-called beautiful top student from Nancheng No. 1 Middle School, and came over to give the students from No. 6 Middle School a beating.

Just now, Lin Xi designated Daiyu to go on stage to answer questions. Old Wang's heart was dancing with invincible joy, just like watching a cool novel or a cool drama. He expected the heroine to live up to expectations, slap the supporting actress in the face on the spot, and achieve the highlight moment of her life.

However, at this moment, he looked at the blackboard and saw the final answer to Daiyu’s first question, which read [The hypothesis is true].

He looked at the paper in his hand, and Daiyu clearly wrote [Assumption is not true].

Because the first question plays a key connecting role, the following questions need to revolve around the conclusion of the first question.

On the blackboard, Daiyu's subsequent deduction process was completely different from the problem-solving process of the paper in his hand.

Through these test papers, Lao Wang originally thought that Daiyu would definitely be admitted to the Yunnan Province Mathematics Competition.

He even dared to dream a little, hoping that Daiyu could get a top eight ranking. Then not only would she get extra points in the college entrance examination, but she would also be able to bring honor to their No. 6 Middle School.

And he, hehe, as Daiyu's math teacher, can also be proud of it.

But today, when Daiyu came on stage, the answers on the blackboard surprised Lao Wang.

Recently, he has frequently received complaints from Mr. Zhao, the head teacher of Class 6, questioning their Class 1's answers on the Lin Daiyu test paper and suspected cheating and plagiarism.

From the perspective of No. 6 Middle School, considering the school’s current teaching staff and the quality of its students, Mr. Zhao’s doubts are understandable.

The biggest problem with Daiyu's answers was that they were too perfect, so perfect that no one could find fault with them, and she got all the answers right.

The most important thing is that every day, when the papers were collected from No. 6 Middle School, basically all the students used the same problem-solving steps as hers, even the paragraph divisions were the same.

One or two coincidences would be fine, but coincidences all the time are really suspicious.

As the saying goes, bad money drives out good money. If it weren't for the fact that her problem-solving steps were different from those announced by the Yunnan Provincial Competition Office, Daiyu would have been directly convicted of cheating.

At this moment, she stared at the stage, and Lin Xi frowned as she read the heavy horizontal lines below the answer, [Mean Value Theorem of Integrals].

Yesterday, Lin Xi and Xiao Ran spent a long time calculating back and forth while referring to the video of Lin Heitu solving a problem.

She used an affirmative sentence when she said, "The final answer is 'the assumption is not true'", which was resounding. It showed her admiration and trust in Lin Heitu's video, and also the confidence that came from her and Xiao Ran's hard work.

Naturally, the students in the audience had long regarded Lin Xi as a god, and they all looked at Lin Xi with clear and stupid eyes.

Lin Xi finally lived up to everyone's expectations. She was full of confidence, took out her cell phone, and explained to the students below the stage:

"Let's go back to the problem-solving process. The mean value theorem of integrals used in this problem is expressed by Baidu as follows:

If the function f is continuous on the closed interval [a, b], then there is at least one point c belonging to [a, b] such that the integral value on [a, b] is equal to f(c)(ba).

However, the conditions of the question do not meet the continuity condition, so the students in the liberal arts class..."

That Xiao Chen asked:

"But the conditions of the question don't say..."

Xiao Chen really used up all his energy to understand the statement that Lin Xi read from Baidu.

Lin Xi frowned. She hated being interrupted the most, and this Xiao Chen interrupted her twice. She couldn't stand it anymore, so she quickly pushed him down and continued:

“So, I don’t know, why did she use the mean value theorem?

Maybe……"

Lin Xi said with a mocking expression:

“She just memorized the answer to that question and applied it to this question!

Although the math requirements for liberal arts students in the college entrance examination are not high, I still want to remind you that rote memorization will not work in math!

With this method of memorizing, will the math test include single digits?"

It has to be said that Lin Xi is really good at stirring up emotions, and there was warm applause from the audience.

Even the math teacher, Lao Wang, could only stare at the problem on the blackboard and fall into deep thought...