After helping Takeuchi to solve the problem, Shiraishi Zexiu did not directly tell Yuko Kotori that he was going, but waited until the end of get out of class in the afternoon.

"Little Bird Tour, I changed my mind, I plan to attend the study session." After the teacher left, Shiraishi Zexiu said to Little Bird Tour Yuko with a smile.

"Eh? Shiroishi-san, why are you suddenly participating?"

"In order to study, I will help you solve some troubles by the way."

Seeing what Yuko Yuko was about to say, Shiraishi Zexiu made a pause gesture,

"Stop, don't say anything, just go to the classroom."

I didn't say it during the day, and the reason why I chose to say it now is because I was afraid that Xiaoniao Yuyuko would feel that it would cause trouble for herself and refuse.

--

"Monitor Hashimoto, can you give me this seat?"

After walking to the discussion room, Shiraishi Zehide said to Hashimoto Nana next to Yuko Kotori.

"Ah, okay, Shiroishi-san, sit here."

Although a little surprised, Nana Hashimoto stood up and gave up her seat.

Shiraishi Zexiu, who really didn't want to study in non-class hours, placed the basic chemistry book on the table, took out his mobile phone and put on his earphones and started to swipe TIKTOK.

Then he said to Yuyuko Tori who was nervously holding a book and watched absently because he was sitting next to him:

"Don't get distracted, Xiaoniaoyou, study hard, and strive for the first place in the final exam."

"I see......."

Sure enough, just as Takeuchi Yusuke said, within 3 minutes after sitting down, faces of boys that Shiraishi Sawahide didn't know began to enter the classroom, and one of them went straight to Xiaotori Yuyuko with a textbook in one hand. Come, holding a box of small cakes in the other hand.

"Classmate Xiao Niaoyou, can I ask you some questions?" The boy put the textbook between Shiraishi Zehide and Xiao Niaoyou Yuko's desk, and stroked his hair because he thought it was pretty, "As a reward for answering this Let's have cake for you."

The boy looked at Xiao Niao Youyouko expectantly, and before the other party responded, he suddenly found that the cake in his hand had been taken away, and then he noticed that the seat next to Xiao Niao Youyouzi was replaced by a boy. .

"Black Forest cake," Shiraishi Zexiu, who took off one earphone, admired the cake, and then said to the boy, "It's the flavor I like, classmate, if you can't ask me, I'll help you solve it. ."

"This..." The boy was stunned for a while, "But Xiaoniaoyou classmate......"

"Please don't worry, my grades are better than Xiaoniaoyou. I can definitely solve your problem. Let's talk about it."

"Yes," Yuko Kotori finally spoke, first glanced at Zexiu Shiraishi gratefully, and then said to the boy, "Kawashima Kosuke, this is Shiraishi who has been ranked first in our monthly midterm exams. Zexiu, he can definitely help me solve your problem."

Shiraishi Zexiu also showed a 'Nuke good' smile to Kawashima Kosuke, and then took a bite of the cake he just opened. Isn't that good, we haven't had dinner yet.

At the same time, I threw a few different types of math problems that I chose during the day to Xiaoniao Youyouzi. Their common feature is that they are very difficult, but they may all be arranged as finale questions. It took Shiraishi Zexiu to master them all by himself. time.

"Little Bird Tour, help me look at these questions, and explain them to me after you have solved them all."

"Ah, oh, alright." After being confused for a while, Yuyuko Kotori nodded and accepted the math problem, picked up the scratch paper and started the calculation.

"Okay, Kawashima Kosuke-kun, talk about your topic."

"Okay...Okay, Shiraishi-san, how can I solve this problem..." Kawashima Kosuke smiled reluctantly, picked up the textbook and began to point to the 'no' problem. .

Sure enough, all of them were very simple math problems, but some were a little complicated. Zexiu Shiraishi began to teach them seriously:

"Let's look at this question first, and change 'If A is greater than B, then B must be greater than C' into an inverse-no proposition. It's a good question, and it's a very high-level question."

"Ah?" Shiraishi Zexiu's evaluation could not be corrected by Kawashima Kosuke. This is just a very basic topic in the proposition. I actually know it, what level is it?

"First of all, if you want to revise this topic, you must use the Law of Labida. Kosuke Kawashima, do you know the Law of Labida?"

"I don't know, but...is this necessary?"

"What is needed, don't question the strength of the first year, your question is likely to be the final math question this year. I will now give you a 'simple' explanation of the Law of Labida."

This is the content of advanced mathematics beyond the outline, and Shiraishi Zexiu deliberately used a variety of extremely outrageous and advanced mathematical terms, going around in various ways.

"Finally, let's use the clipping theorem, clip it, remember, use force! You can clip the answer to this question: 'If C is less than or equal to B, then B must be less than or equal to A', do you understand? Kawashima Kosuke classmate?"

(Cough, I forgot whether it was or not, it should be. In addition, the clamping force theorem is really a mathematical theorem)

"Ah...? Uh, I don't understand very well." Kosuke Kawashima, who has been completely confused since the Law of Labida, is about to lose the ability to write on the subject he has mastered.

"I didn't understand, did I, then I'll say it again."

"No need! No need! It's almost done, I'll just go back and digest it, thank you."

=== Chapter [-] is still a showdown to solve the problem quickly (for the stars are all dropped, add more) ===

"You're welcome, help your classmates, you should, let's continue, Kawashima Kosuke-kun, are there any questions you can't do?"

Shiraishi Zexiu's face became more and more 'nuclear'.

"No need!" Kawashima Kosuke's face turned pale, "I'll take the rest of the questions back and think about it myself. The question just gave me a lot of inspiration."

After saying that, Kawashima Kosuke bowed and walked away from the classroom.

At the back of the classroom, there were several classmates in my class who were discussing softly. Seeing this, they looked at each other and gave a thumbs up.

In the gap between the problem just now, Yuko Kotori's table was already lined up in a small line, all boys, and Yuko Kotori devoted himself to the math problem.

Shiraishi Zexiu smiled and said to the first classmate, "Classmate, Xiaoniaoyou is busy. What questions do you want to ask, I will help you solve them."

He poked Yuyuko Kotori with his elbow and asked her to testify for himself.

Little Bird Youyouko raised his head, looked at Shiraishi Zexiu for a moment, then nodded and said, "Yes, this is Shiraishi Zexiu, you may also know that he is quite famous in school, his grades are better than mine. Well, there is no question for you to ask him."

The No.1 boy gritted his teeth and reluctantly handed the question to Bai Shi Zexiu, who was soon forced away by Bai Shi Zexiu in the same way.

"The next one."

The boy immediately shook his head, "It's alright, I'll wait for Xiaoniaoyou, I'm not in a hurry."

"Also, but you may have to wait for a while, soon, probably in one night. The questions I asked were a little bit difficult."

After speaking, Shiraishi Zexiu took a look at the progress of Yuko Birdie. It was not bad. I completed the second question, but I am a bit stuck at the moment, so I gave a reminder:

"Little Bird Tour, this type of question looks complicated, you have to consider the situation where there is more than one auxiliary, and it is not necessarily connected to the points given by the question, so you may also need to create a point yourself."

"Is that so, no wonder, I never thought of it, thank you Shiraishi-san." Yuyuko Kotori happily wiped away the traces of the topic and continued to study.

Shiraishi Zexiu smiled and said to the boy who refused to teach him: "Little Bird Tour helped me to solve the second question, there are ten questions in total, please wait, and anyone who is willing to let me teach the question can come to me."

Putting on the headphones again, Shiraishi Zexiu continued the unfinished TIKTOK journey, found Yuko Yuko's account, and saw how good her video quality was.

With two palms suddenly propped up in front of his desk, Zexiu Shiraishi reluctantly took off his earphones, "Hello, do you have any questions? I'm an all-rounder, and you can ask me about any final subjects."

The other party had no intention of questioning, and looked down at Shiraishi Zexiu fiercely, "Are you doing this for fun?"

Zexiu Shiraishi leisurely wound up the earphone cable and stood up. Now it was his turn to be in a high position, and the other party's aura instantly emptied.

Looking down at each other, Shiraishi Zexiu smiled and said, "It's very fun, and it's going to end at the end of the game."

Yuko Kotori stopped the calculation pen in his hand and looked anxiously at Shiraishi Zexiu,

"Don't fight, Shiraishi-san may be punished by the school and paid for medical expenses."

"Is it fun to teach classmates the wrong way on purpose?"

"How do you know it's wrong? Isn't my conclusion exactly the same as the reference answer?" Shiraishi Zexiu glanced at the question circled in the other's hand, "You don't know this kind of math question? I see, you just don't. Just understand my problem-solving method, come on, I'll teach you."

"Shiroishi! Shiraishi!" Ryo Takagi, who came from the door, rushed in front of Zexiu Shiraishi, and pushed the boy he didn't know aside.

"Quick, quick, tell me how to solve this problem. Fanyi finally asked me a question. I must solve it. Quickly, I told her that I went to the toilet."

"Understood," Shiraishi Zexiu glanced at the title and returned the relatively complicated chemical formula, "This way first, then that way."

"Received! Great kindness and great virtue can't be reported, so I won't report it." After remembering the method, Takagi Ryo rushed out of the classroom again.

The man who didn't know seemed to seize the opportunity and came up again aggressively, "Why did you talk about a topic that was more basic than this for so long, and you said you weren't playing tricks on us?!"

"I'm playing tricks on you guys, what's the matter." Shiraishi Zexiu's expression was extraordinarily innocent.

The smug and arrogant face of the other party froze all of a sudden, but he didn't expect Shiraishi Zexiu to fully admit it in an instant, "You..."

"What are you, it's alright, stop playing, it's a showdown." With a sigh of relief, Shiraishi Zexiu sat back in his seat, obviously looking up at the people in front of him, but completely overwhelmed them in aura.

"Go back, don't come to Huo Huo Xiaoniao Tour. If there is no problem, don't pretend to have a problem. If you have a problem, find a good grade in your class."

"Why do you agree on behalf of classmate Xiaoniaoyou! I want to ask classmate Xiaoniaoyou, are you willing to teach us?" Obviously each of them should be rivals in love, but at this time they stood on a united front, and a boy in the team said loudly.

"Ah~ if you have to ask why, I can also promise you. Is my uncle also the uncle of Xiaoniaoyou enough?"

Shiraishi Zexiu yawned, then looked at Yuko Yuko, and said with a smile, "The classmates asked me to come, they know that you agreed and they won't be able to persuade you, so if you embarrass me, I won't care about you. ."

"I would like to teach you,"

Looking at the delighted eyes of everyone in front of him, Shiraishi Zexiu did not change his face and continued to smile, he believed in Yuko Yuko.

"But what Shiraishi said is right, there shouldn't be so many students in Mingchuan High School who don't know the basic questions, and every class has good grades. I don't like some of you pretending not to lie to me, so please forgive me. , this semester I will only answer the questions asked by our classmates for the time being."

It really is Yuko Kotori, even at this time, he can't express a clear refusal, and to some extent he still needs to do it in his own form.

"Do you hear? Let's go, let's go, let's go."

Shiraishi Zexiu drove away the few people standing in front of them like mosquitoes. Although they were not reconciled, the little bird Youyouko, who basically did not reject people, said so, and there was no other way. , some people left the classroom directly.

Shiraishi Zexiu put on the headphones again,

"Thank you very much, Shiraishi-san."

"You're welcome. Speaking of rejection for the first time, no, how does it feel to semi-reject someone?"

"...To be honest, it's not very good, I feel a little sorry for them."

"...As expected of you, Little Bird Tour!" Shiraishi Zexiu was helpless and even found it a little funny, "Well, I figured it out, you are just like this, you have to suffer by yourself, and continue to do the questions I gave you. Well, this year's final exam finale question type must be in it."

"Thank you very much!" Yuyuko Birdie, who couldn't say 'sorry', could only use thanks instead.

"You're very, very welcome, I continue to appreciate your TIKTOK works, come on."

"Ah~! Can you watch Shiraishi-san?"

"No... Little Bird You, don't lie on the table and read the question directly, you will be short-sighted if you are so close."

"I do not have........"

"You didn't miss your face."

Yuyuko Tori, who finally got out of her shyness, lay down on the table again.

=== Chapter [-] Before Summer Breaks (Two in One) ===

"Tomorrow, your final exam for this semester will begin. There are a total of 7 courses, and the exam will be completed in two days. It is your first final exam in high school. I hope everyone can get a good score."

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