I really don't want to lie down and win

"Professor Mu!"

"The questions you gave the students were solved." Professor Angus said.

untied...

Yup!

Be untied!

Cousin Xiaoman was about to speak, when she suddenly realized, how long has it been?In less than an hour...at most half an hour, it was...untied?Although it is not that difficult, the point is that the process of solving the problem is quite complicated.

Even if you are very talented, it will take an hour and a half, right?

"Professor Angus!"

"Do you know how much time he spent?" Cousin Xiaoman asked.

"Two 10 minutes!"

"..."

"I'm sorry, Professor Angus." Cousin Xiaoman was stunned for a moment, then hurriedly asked: "Can you tell me again, I didn't hear clearly just now."

"Two 10 minutes!"

"The question was solved in 10 minutes. I don't know the correctness for the time being. I hope you can take a look." Professor Angus said.

This...

This is simply unimaginable!

Two 10 minutes to solve all, how is it possible!

"it is good!"

hang up the phone,

Cousin Xiaoman froze in place stupidly. At this moment, she looked up at her cousin and said seriously: "Xiaoman...call your husband and ask him where he is now."

"what?"

"He... isn't he solving a problem?" Yang Xiaoman asked curiously.

"Solving the problem..." Cousin Xiaoman looked at the time and said helplessly: "15 minutes ago, your husband solved my problem, and now...you don't know where you went. It's best to call him, and if he gets lost, it's over."

This...

Forget it,

Ma'am, I'm used to it.

Yang Xiaoman didn't react too much, but she was worried about the safety of the college students. According to her fiancé's urination, he must have sneaked into the place where other people are in class, and it is the classroom with the most people. He is probably sitting in the corner now , looking for an opportunity.

I made a call, but was hung up by the other party as soon as I got through.

at this time,

Yang Xiaoman has already collapsed.

"what happened?"

"Your husband doesn't answer your phone?" asked the cousin.

"Uh..."

"Sister...let's ignore that idiot, what do you want to do now?" Xiaoman asked.

"go back!"

"I'm going to see Xu Mang's problem-solving process, whether it's right or not," Cousin Xiaoman said.

...

for a long time,

Xiaoman went back to Columbia with her cousin, and immediately saw the topic. Xiaoman thought it was just a few simple processes, but she was not shocked when she saw the contents of 22 blackboards.

How should I put it...belongs to basic operations!

Domestic students and teachers have become accustomed to it, it's time to shock foreigners, and they won't be shocked to death!

"This..."

"It was completed in half an hour?" My cousin couldn't accept the facts in front of me for a while, just kidding... The contents of 22 blackboards only took about [-] minutes. Is he God?

"Professor Angus!"

"This... Are you sure this was done in 10 minutes?" Cousin Xiaoman asked with a look of horror.

"I do not know either."

"However, the students encountered a question solver on the way to class, and a student took a video. Based on this video, we calculated the specific time, which was about 10 minutes." Professor Angus said.

Cousin Xiaoman completely trusts her colleague, and he will not lie about this matter.

Since it's so fast,

Then there must be an error in the content!

After all, speed and quality are inversely proportional, the faster the speed, the worse the quality.

The cousin began to carefully review Xu Mang's problem-solving process. Although there were many people around, it was very quiet at the moment. They also wanted to know whether the process was correct, and the students also tried to check the problem-solving process.

Think about it later... Since Professor Mu will come, wouldn't it be better to wait for the result?

5 minutes,

10 minutes,

Two 10 minutes...

finally,

Xiaoman's cousin reviewed Xu Mang's problem-solving process. She has been completely conquered by the beautiful mathematics. In her eyes, there is no more beautiful number in the world than this. This is the first time she has seen such a simple process.

Even more perfect than my own answer!

"Professor Mu?"