Chapter 21: The World Behind the Door

"Did you know that S=πr^2?"

Liu Yun'er took Lin Fan's mobile phone and said with an annoyed face: "According to this formula, you should need to use four six-inch pizzas to exchange for a twelve-inch pizza, instead of simply adding six to equal twelve!"

The other party fell silent... Said seriously: "I'm sorry I don't know what you're talking about, since we can't communicate... We'll give you the money back. ”

Toot toot...

There was a blind sound after hanging up.

Lin Fan actually didn't have any idea at all, so he went to eat Pizza Hut as a big deal... The world is so big, are you afraid you won't find a pizzeria?

But he far underestimated Liu Yun'er's anger at the moment, although it didn't seem to have changed, actually... A fire had already ignited in his heart, and just as Lin Fan picked up his mobile phone and was about to order Pizza Hut's pizza, Liu Yun'er suddenly stood up.

"Let's go!" Liu Yun'er said to Lin Fan with a dark face: "Come with me!"

"Where are you going?" asked Lin Fan with a confused expression.

"I'm going to find them!" Liu Yun'er already had that expression of wanting to eat people, and said seriously: "What is called two six-inch pizzas for one twelve-inch pizza, I don't even have basic mathematical knowledge, so I have to solve the problem from the root!"

“...”

"Forget it!" Lin Fan said helplessly: "Isn't this looking for something?"

Hearing Lin Fan's words, Liu Yun'er's face darkened even more, and she asked sternly, "Do you want to go?!"

“...”

"It's not... Don't go up!" Lin Fan looked at Liu Yun'er, who seemed to be on top, and said distressedly: "Oops... Oh my God, why are you doing this?"

"I'm not happy!"

"Are you going?" asked Liu Yun'er again.

"Go, go!"

"Shall I go?" Lin Fan finally agreed to Liu Yun'er, of course, Lin Fan also brought a baseball bat, after all, he had a weapon in his hand, and he at least had a bottom in his heart, but think about it... People are in the catering industry, and the kitchen is full of knives... It doesn't seem to be able to spell.

Sure enough,

Liu Yun'er saw that Lin Fan was carrying a baseball bat, and asked calmly, "What are you doing with it?"

"Defend yourself!" Lin Fan replied very simply.

"We're here to solve problems, not to have conflicts with others. Liu Yun'er said seriously: "Now is a society ruled by law, and it has been the second year of fighting gangsters and eliminating evil, so it is easy for you to cause trouble for yourself." ”

Lin Fan thought about it, it seems to be the truth, if he takes the guy... Reasonable will become unreasonable, silently put the baseball bat in the back row, and then went to the store with Liu Yun'er.

Along

Lin Fan has been thinking about a question, what is the power that makes Liu Yun'er able to do things so wildly?

Is it knowledge?

Is it beauty?

Still unwilling to admit defeat?

Finally... Lin Fan figured it out, maybe this girl is just Biao.

According to the mobile phone navigation, there were still less than 300 meters away, Liu Yun'er parked the car to the side, then turned on the double flashing lights, turned his head to Lin Fan in a daze and said, "Wait for me!"

After that,

I got out of the car and then the person disappeared.

Lin Fan didn't know where she went, anyway... If Liu Yun'er leaves for too long, her car may be ticketed.

A few minutes later,

Liu Yun'er returned to the car, probably because of the black face and the fact that it was night, Lin Fan could no longer see the expression of the refrigerator at this moment.

"Where did you go?" Lin Fan asked.

"Nothing... A phone call was made. Liu Yun'er said indifferently: "I thought about it for a while... The two of us were indeed a little inappropriate, so we made a phone call to the market supervision and administration agency, the food supervision and administration agency, and the business administration agency, and asked them to come and give us a boost. ”

Lin Fan listened with a look of disgust, and said angrily: "Are you driving drunk?"

"What do you mean?" Liu Yun'er turned her head and looked at Lin Fan and asked.

"If you have a peanut, you won't be drunk like you. Lin Fan said: "I don't believe it... You are a university professor at best, how can you make a phone call and call all the people from the relevant functional departments. ”

Liu Yun'er didn't speak, was silent for a long time, and said seriously: "I said... No one can refuse me, not even you!"

“...”

Lin Fan sighed... This woman is crazy!

I don't know how long it has been.

Lin Fan, who was in a daze, watched one law enforcement car after another, driving by... For a while, they were a little confused, they seemed to be running in the same direction, there were words for market supervision and administration, there were words for food supervision and administration, and there were words for business administration...

Wait a minute?

Wrong wrong... What's going on?

"?"

"Really here?!" Lin Fan looked at Liu Yun'er in horror: "You called it?"

"Could it be you?"

"Let's go!" Liu Yun'er started her car and silently followed behind a certain law enforcement vehicle.

Lin Fan is still in a confused stage, what words can explain the situation in front of him? Lin Fan made three phone calls on purpose, only to find out that he was thinking too much... In that case, how did this woman next to her do it?

Lin Fan gave up asking Liu Yun'er because he knew... Even if you ask, it's a vain question, after all, everyone has their own secret forest.

soon

When I got to that pizzeria,

Lin Fan noticed that there were three cars parked at the door, but there were only three middle-aged men with big poties standing there. There is a uniform title for this kind of person... It's called leadership.

"Sit in the car!"

"Don't come down for me!" Liu Yun'er said to Lin Fan: "I'll come over if I ask you to come." ”

"Oh..."Lin Fan nodded.

subsequently

The refrigerator got out of the car and talked to the three middle-aged men for a few words, because the distance was a little far, I couldn't see the expressions of the three people clearly, and I could observe it from the action... It seems to obey the refrigerator.

Immediately after that, a man in a suit and leather shoes walked out of the store, who was supposed to be the manager of the store, and it was certain that he was frightened.

A few minutes later,

The three middle-aged men left, and Liu Yun'er entered the pizzeria.

According to the plot that Lin Fan could think of, what happened later should be very simple, apologize and get a twelve-inch pizza for free.

After a while,

Bite~

The mobile phone rings the prompt sound of WeChat,

Lin Fan took a look... It was sent by Liu Yun'er.

Cloud: Come in!

Cloud: To the back kitchen!

Sighing silently, I got out of the car with my car keys, and after confirming that it was locked, I walked into the store... talked to a beautiful waiter about the situation, and the waiter led Lin Fan to the back kitchen, along the way... He found that there were not many customers.

Don't

So expensive... Who's going to buy it?

It's just that people like Liu Yun'er are stupid and have a lot of money.

Before he walked into the back kitchen, Lin Fan heard Liu Yun'er's voice, which penetrated through a door and reached his eardrums.

"The area A(x) enclosed by the graph x^2 and the coordinate axis is the integral of x^2, the area corresponding to the change area dx is dA, and dA=(x^2)dx is dA/dx=x^2, which is extended to the general function f(x), then dA/dx=f(x), when dx is close to zero, the approximation effect is the best. ”

"This leads to two conceptual integrals and derivatives that can be converted into each other, so how are the constant π calculated?"

"First of all..."

Lin Fan was completely stunned, his eyes were fixed on the doorknob, and he really didn't have the courage to hold it.

Then

A question appeared in Lin Fan's brain,

What kind of world is behind this door?

......