It is said that it is a holiday after the fifth class, and after the actual nap, each class will start to arrange the holiday.

As soon as the fifth class started, Li Donghong walked into the classroom.

"The first stage of the summer vacation is coming to an end, and this time we conducted the first test in the third year of high school, and the results are not very satisfactory. ”

"It's August 1st, students!"

"It's a month closer to the college entrance examination in June next year!"

"Hold on!"

"This holiday has been put on the 11th, and on the afternoon of the 10th, I will return to school for evening self-study, and I want to watch the opening ceremony of the Olympic Games at home if possible. ”

"The next make-up class is scheduled to be closed on the 24th. ”

"Don't go to the Internet café after the holiday, don't go to the game hall......"

As a cliché, the holiday arrangement, Li Donghong mainly expressed these two parts.

It was also at this time that cheers rang from all classrooms, and Class 174 was no exception.

Seeing this, Li Donghong simply didn't say anything, and waved his hand directly: "Get out of school." ”

So, one by one, they ran faster than the monkeys.

Fang Nian didn't move.

was detained.

After so many years from childhood to adulthood, Fang Nian's memory is still to stay in the classroom once when he was in elementary school, and this is the second time.

The reasons are similar both times.

In elementary school, because of his excellent math scores, he was selected to participate in the competition for elementary school students, so he stayed in the classroom to arrange for the competition to explain.

This time it's also because of math.

Seeing Li Annan running over, Fang Nian helplessly spread his hands: "Lao Zhu let me stay." ”

“？？？”

can clearly read the blankness on Li Annan's face.

"What, what personal relationship do you have with your math teacher?"

Fang Nian was almost amused, and explained simply: "Lao Zhu gave me a few sets of test papers for me to do, probably to explain." ”

"Huh?" The expression on Annan's face quickly changed to incredulity.

Fang Nian pretended to be very serious and said, "Come on, you can do it next time." ”

Li Annan pouted indifferently: "It's not rare, let's go first, see you in a dream." ”

Fang Nian could see Li Annan, who turned his head and left, and his eyes were a little red with envy.

Then, there were only seven people left in the classroom.

There is Zhu Pengfei, who has always been the first in the school.

There are also several math scores of more than 115 points.

Including Zhu Pengfei, Fang Nian is not familiar with all of them.

While playing with his mobile phone, Zhu Jianbin walked into the classroom with a stack of test papers.

"It's all there. ”

"Come up and take it. ”

"If you do it right, you won't talk about it, and you will focus on the wrong questions. ”

Zhu Jianbin went directly to the topic without any ambiguity, and did not delay everyone's time at all.

Except for Fang Nian, several other people sat around the podium, and some of them could receive the papers without getting up.

Fang Nian got up and walked to the podium, Zhu Jianbin took his scroll and said.

"Your basic questions this time have the highest accuracy rate, let's talk about a few easy-to-mistake questions I circled. ”

Fang Nian slowly gave three question marks: "???"

Zhu Jianbin hurriedly lost his eyes.

He could see that Fang Nian had always treated him as an equal existence, and he felt very good about this feeling.

That's right, too.

After all, Fang Nian had worked hard from the dirt to the upper level of the pyramid, and although his body had returned to his youth, his psychological maturity was still there.

Fang Nian touched his nose: "Okay." ”

Standing on the podium, he glanced at the few people sitting under the stage.

Fang Nian's expression became serious.

After thinking about it for a while, Fang Nian decided to do it in an acceptable way, cleared his throat and said, "Let's turn to Mathematics Volume 1, Question 6. ”

"This question is a fill-in-the-blank question. ”

"Knowing that f(x)=ax+x/b, if -3≤f(1)≤0,3≤f(2)≤6, find the range of f(3). ”

"We all know that math is actually romantic to death, like 9 divided by 3, I am still you except you. ”

Going back to the topic and using the simplest equation as a stem will make us understand that this is a problem of transformation equivalence. ”

"Why is it easy to make mistakes, when the function that satisfies the conditions goes to take the value, it is easy to ignore the close connection between a and b like my heart to heart with you;

We all know that the value of a function is a perfect thing, and it is absolutely impossible to be ambiguous at all. ”

So, this range of values is not only limited by a, but also by b. ”

"So, you know what the answer is, right?"

As he spoke, Fang Nian looked at the audience.

Zhu Pengfei, who has been ranked first in the school for a long time in mathematics, raised his head and opened his mouth, unable to speak, although you speak well, how can the equation be so fast?

The answer is 16/3≤f(3)≤37/3. ”

"The problem-solving process is a full-road romance to the truth, so I won't write about it. ”

"Okay, then there's the 9th question, multiple-choice questions, and the common mistakes in this question are also very simple......"

“......”

"This question is also very simple, and it takes you a minute or two to figure it out, so you won't write it......"

Then Fang Nian clapped his hands: "The easy-to-mistake questions that the teacher wants me to talk about have all been explained, everyone understands?"

Zhu Pengfei continued: "Understood." ”

"I get it, too. ”

“......”

"Okay, everyone understands, teacher, come on. Fang Nian quickly moved out of the way.

He understands the basic questions, but there are a few questions that he doesn't understand about these three sets of test papers.

Zhu Jianbin glanced at Fang Nian, who quickly slipped away, and then looked at the blackboard without a word, and the expression on his face was wonderful for a moment.

"Do you really understand?"

Although he actually believed it in his heart.

Because, even he almost felt that mathematics was really like what Fang Nian said...... Romantic.

It's not a few things that can't be done in a hurry.

In this state, everyone's listening state must be good.

Sure enough, several people in the audience all nodded, and they even wished that Fang Nian would talk a little longer.

There are a total of 69 questions in the three sets of papers.

Fang Nian talked about five topics.

Next, Zhu Jianbin spent half an hour talking about nine questions, basically covering all the incurable diseases.

Of course, this is only for a few of you here.

"Teacher, who has the highest total score in these three sets of papers, is it Zhu Pengfei?" a classmate asked.

The corners of Zhu Jianbin's mouth twitched slightly, but he still answered this heart-piercing question: "Although Zhu Pengfei's big questions have a high scoring rate, the highest total score is Fang Nian, and his basic questions are all right." ”

"The questions this time are relatively close to the difficulty of the college entrance examination, with a total of 450 points in the three sets of papers, and Zhu Pengfei's total score is 373 points. ”

"Fang Nian's total score is 390, so don't just focus on the big questions, the basic questions can also open up the gap!"

"Just like the five questions that Fang Nian talked about just now, I know that some of you may have figured it out after reading the paper, but can you understand it so thoroughly?"

"Fang Nian can almost be said to be 0 foundation, as far as I know, he finished reviewing the compulsory courses, and he didn't read a word of the electives, and it can be seen from his answers that he basically doesn't understand about geometric proofs, and the two questions he answered are wrong. ”

"Moreover, he was the last to get the test paper. ”

“......”

After Zhu Jianbin 's words fell, everyone looked at Fang Nian in surprise again.

The lectures were so humorous and beautiful, and the exams were so good.

Is this genius?

Especially Zhu Pengfei, his face was full of caution and vigilance, but everyone didn't speak.

Fang Nian didn't speak, but thought with some playfulness: "We're starting to hit our classmates so soon?"

But he didn't take it to heart, for him, learning is really just an intuitive expression of enjoying youth.

======

Broken bowls.