Teacher Xu, Please Take Care of the Reckless Students in Your Class

This shows that it is super classy!

And it's seriously over the top!

Why are you all doing so vigorously without feeling any of them? !

You He Ruohua said that you are the worst in the class, why don't you think this question is difficult at all?

What monsters are these!

"Pfft!"

Zhang Ruiyun's chest felt tight, and he looked at Xu Heng helplessly.

Xu Heng also shrugged helplessly, "Director Zhang, don't ask me next time, I'll keep silent."

Zhang Ruiyun stomped his feet in anger, he wanted to slap himself twice.

"Shouldn't have asked you!"

But he didn't give up, "Mr. Xu, what kind of topic do you think is beyond the syllabus?"

"Not for you, but for this group of sophomore students?"

Xu Heng smiled and refused to answer.

Zhang Ruiyun, "!!!"

Just when he was speechless, "Crash", the voice of picking up the test paper sounded.

Zhang Ruiyun's heart tightened and he turned to look for the source of the sound.

"As expected, it's Wei Minghai!"

"You bastard! Sit down! Sit down for me!"

Wei Minghai didn't stop at all. After finishing, he left without even checking.

"Have you checked? Are you sure you can get it all!"

"Wei Minghai, before the exam, what did I tell you! Stop for me... stop! You..."

Wei Minghai didn't intend to pay any attention to Zhang Ruiyun, he just ignored him and walked outside the examination room.

Zhang Ruiyun ran forward and embraced the person, "Wei Minghai!!!"

Wei Minghai sighed helplessly, "Hey! Director, why are you doing this?"

"Such a simple test paper, there is no need to check at all!"

"Besides, Teacher Xu taught me that if something is wrong, it's not worth changing. Even if it is corrected, it's wrong."

Zhang Ruiyun glared at Xu Heng, "Mr. Xu, what kind of nonsense are you teaching! You..."

"You're going to be mad at me! Teacher Xu, how can you tell the students that!"

"Come on! Come and persuade him!"

Zhang Ruiyun forced Xu Heng to come to Wei Minghai.

Wei Minghai asked, "Mr. Xu, what do you think of that question?"

Zhang Ruiyun, "???"

What the hell?

He glanced at Xu Heng in surprise.

Xu Heng just looked at the questions on your test paper, can he know?

Zhang Ruiyun said, "Student Wei Minghai, don't interrupt, change the subject, you..."

Before he finished speaking, Xu Heng's voice rang.

"The interval is monotonically increasing from 0 to π/2, 2/[-] to π, and monotonically decreasing from [-]/[-] to [-]/[-]."

"The proof of the second question, are you using the limit?"

"As for the third question, it's even less difficult, just transform and summarize."

Zhang Ruiyun opened his mouth so wide that his chin could be dragged to the ground.

He thought he had been shocked to the point of numbness, but now, he realized how superficial and ignorant he was.

He stared at Wei Minghai, hoping to confirm from Wei Minghai's mouth whether Xu Heng was right.

"hiss……"

Zhang Ruiyun held his breath and was cautious.

At the same time, he subconsciously pinched his thigh with his hands.

The pain told him that he was not dreaming or hallucinating, and everything in front of him was real!

it is true! ! !

Xu Heng even glanced at the question, and he had ideas in his mind, and even had the answer!

Rumble!