Urban: I Got a Space-Time Mailbox and I Can Write to My Past Self

Ding Yi froze instantly.

His ears tremble.

Um??

Did you hear me wrong?

What did Lin Xian just say?

It seems to say "If you want to beat Max, I will teach you math?"

If it weren't for excellent self-cultivation, Ding Yi guessed that he would be spitting out a mouthful of old blood!

He is a dignified academician of the Chinese Academy of Sciences, dean of the Peking University Mathematics Institute, and Longguo recognized as an authority in the mathematics field!

Although Ding Yi also knew that there are people outside the world, and there are heaven outside the sky.

But Lin Xian, a pure mathematics layman, wants to teach himself math problems!?

This is incredible!

Ding Yi smiled politely and shook his head:

"Thank you, Mr. Lin Xian, I took your kindness."

His reaction.

Lin Xian was not surprised at all.

He called Professor Ding Yi to sit down:

"Don't worry, Professor Ding, I can't delay you a few minutes."

Lin Xian picked up the pen and manuscript paper in the room.

Fenbijishu

Previously.

In order to participate in the [Mathematics World Masters], Lin Xian became familiar with Einstein's manuscripts.

Don't care how much you can understand.

At least memorize it!

Lin Xian wrote down those derivation formulas step by step according to memory

Professor Ding Yi is a rigorous academic school after all, and he is also very curious about what Lin Xian, a layman, is writing.

So while Lin Xian wrote, he also watched and commented.

"Oh, isn't this the procedure used by Mr. Chen Jrun to prove Goldbach's conjecture back then? I can't tell. You really have some research on mathematics."

"Well?? How did you think of this step? I don't think you are too old. It doesn't look like you have read a doctoral student. When I was a doctoral student before, they were very difficult to understand this step. "

"What is this? Oh my God!! Mr. Lin Xian, are you going to prove Goldbach's conjecture??"

Ding Yi panicked!

He wiped the sweat from his forehead.

Quickly deny this idea!

No...

impossible!

Goldbach conjectured that since Mr. Chen Jrun tried to prove the 14th situation, there has been no progress for so many years.

Ding Yi firmly believes!

Even if it proves that the conjecture will make progress, it must be in a university or research institute.

But the situation before him caught him off guard!

Lin Xian, a young man in his early 20s, actually wants to testify 20 Ming Goldbach's conjecture in front of him!

and

See the derivation process!

It turned out to be that thing!!

"Wait, wait, wait, wait, wait"

Ding Yi pulled out the reading glasses from her pocket and put them on.

He can't keep up with Lin Xian's rhythm a bit.

After all, Lin Xian doesn't need to understand, he just needs to write down everything in his head.

But Professor Ding Yi needs to think!

After a while, sweat beads began to appear on Professor Ding Yi's forehead

He hurriedly found a pen and a wad of manuscript paper, and began to look at Lin Xian's deduction formula to check the calculation.

finally……

One and a half hours after Lin Xian wrote all the derivation formulas.

Professor Ding Yi uttered an exclamation regardless of his identity!!

"Oh my God!! It's completely correct!! I just did a simple reverse check, the proof process of this Goldbach conjecture, it turned out to be completely correct! It directly proved all the situations!

"It's amazing! If you improve it a little, it's not already perfect, but it's too general, lacking notes and processes. If you write more complete, you can definitely publish it! The 300-year-old mathematics nightmare has finally been solved opened!"

Ding Yi's excited blood pressure is coming up!

He excitedly held Lin Xian's hand:

"Mr. Lin! Can you tell me who your mentor is? If you can solve Goldbach's conjecture, you must have worked a lot!"

Lin Xian smiled slightly.

He motioned to Ding Yi to sit down and take a sip of tea to stabilize his heartbeat.

"Professor Ding Yi, to tell you the truth, this process of derivation and proof was not invented by me.

Ding Yi nodded.

He was not surprised either.

Rather, it is reasonable.

He has been expecting Lin Xian to say the name of a certain master.

But Lin Xian shook his head:

"As for the origin of this derivation process, please forgive me for not being able to say it. You can treat it as a gift from an unsung hero to the Dragon Kingdom!"Now it was Professor Ding Yi's turn to be confused.

"You mean that this is a foreign friend who gave back to the Dragon Kingdom? This is incredible. There can be such a great person in the academic field! So, what is his purpose for doing this? You know, Just such a certification process can allow him to get everything he wants!"

Lin Xian turned his head.

Look at the yin sky outside the window.

Sad Einstein

Naughty Einstein

When that Einstein decided to send this letter to himself, which Einstein was he?

In the end, Lin Xian answered Ding Yi:

"Because a certain Longguo helped him, so he knows his favor."

Professor Ding Yi was in awe.

So I don't bother about this matter anymore.

By now.

Professor Ding Yi also understood what Lin Xian meant.

What he said to teach himself is to write himself the proof steps of Goldbach's conjecture, and then let himself win glory for the country in the [Human Technology Summit]!

If you want to change this kind of things that you did not research yourself, Professor Ding Yi will definitely not "possess it for yourself."

But this time is different.

He does not represent himself, but the country!

Since this is something a foreign friend gave to the country, it is reasonable to show it instead of the country!

"Since this is a gift to the Dragon Kingdom, I will accept it unceremoniously. Can I take away all these manuscripts?"

Lin Xian nodded.

Professor Ding Yi swept the leaves in a violent wind, took all the manuscripts in his arms, opened the door, and was ready to study this academic treasure!

"Ah, yes"

Professor Ding Yi turned around and looked at Lin Xian:

"Although it's closed and you can't go out, you can contact the service staff if you have everything and what you need. If you really can't, you can contact me."

"In this special shu period, our every move must be protected and kept secret. Please bear with me for this week of isolated life."

Lin Xian smiled friendly.

Waved to show his understanding.

"Everything puts the national interest first."

Ding Dong Ding Dong ~ Ding Ding Ding ~ Ding Ding ~ Ding ~ ~ ~ ~

Boom~~.

Tunghai University, inside the piano room.

With the fall of the last tremolo.

Dai Chuchan, wearing a water-blue dance dress, wanted to pray for the girl, standing in the middle of the piano room, with a pious expression and clear eyes.

Pop, pop, pop, pop, pop!

Liu Yiyi smiled and applauded:

"Sister Chu Chan, you are really a girl born for dancing. No matter what dance, you can dance so well."

Dai Chuchan and Liu Yiyi are now good girlfriends.

So she is also welcome.

Snorted softly~ Accept this compliment happily:

""Adelina by the Water" is still too famous. I won an award for dancing this dance when I was in junior high school. I'm so familiar with it!"

"At the time I followed the teacher's request, while dancing and acting as a pious girl who made a wish. That performance was well received!"

Dai Chuchan learned the way of a wishing girl back then, jumping all the way to the piano, picking up his water glass and drinking.

"By the way, Senior Sister Yiyi, if you are asked to make a wish, what wish do you hope to realize?

"Yes~"

Liu Yiyi answered without thinking.

Her eyes turned into crescents with a smile:

"I have too many wishes! I really want them to come true!"

Dai Chuchan's eyes widened, somewhat inconceivable:

"Yes, are there so many?"

In Dai Chuchan's view, Liu Yiyi is simply the happiest person in the world!

Being able to be with the people you like.

Can marry someone you like.

Is there anything happier than this?

At this moment, even if Liu Yiyi said that she had a good life and had no dreams, Dai Chuchan could accept it.

but …

Liu Yiyi's answer really surprised Dai Chuchan.

How smart is Liu Yiyi.

Seeing Dai Chuchan's expression, she knew what she was thinking:

"Chu Chan, every family has scriptures that are difficult to recite. Don't think I get along well with Lin Xian, but in fact, we are also facing a lot of troubles."

"Speaking of the biggest worry, it is also my biggest dream."

Liu Yiyi closed his eyes.

Religiously holding the palm of the hand, imitating the praying girl, praying in front of her:

"How I hope that my parents can accept Lin Xian and no longer make it difficult for our love. Let us, like ordinary couples, marry just as well in the blessings of both parents."

............

Dai Chuchan suddenly realized.

original …

Liu Yiyi's "difficult to recite" refers to this.

The touching love story of Lin Xian and Liu Yiyi has long been serialized in Tianya forums, and has published books, sold copyrights, and maybe even made a movie.

Dai Chuchan had read the story of the two people countless times.

"Don't worry, Yiyi-senpai. Your wish will definitely come true!"

Dai Chuchan firmly believed.

Lovers get married!

Especially Liu Yiyi and Lin Xian, who have persisted in their poverty for so many years, what can be the last tribulation?

For the two.

She is willing to suppress the thoughts of moths against the fire to the bottom of her heart, to fulfill them.

"Definitely!

Dai Chuchan clenched his fists and encouraged Liu Yiyi:

"Lin Xian is such a good senior, your parents will change their minds sooner or later!"

Liu Yiyi smiled.

She really liked this straightforward and innocent elementary school girl more and more.

"Let you auspicious words~"

"But I think it won't work in a short time. You may not know. My father hasn't spoken to me for 6 years--"

Jingle Bell Jingle Bell Jingle Bell Jingle Bell Jingle Bell Jingle Bell

The sudden ringing of the bell interrupted the conversation between the two.

The two looked at the phone screen at the same time.

I thought it was Lin Xian calling.

But when you see the caller ID name one-

"painting …

"No, no!!"

Both of them took a breath!

A word is displayed on the phone screen--

dad

Jingle Bell Jingle Bell Jingle Bell Jingle Bell Jingle Bell Jingle Bell

The phone is still ringing.

Liu Yiyi and Dai Chuchan looked at each other!

She couldn't believe this situation at all!

The father who hasn't said a word in 6 years, why would he call now?

"Chu Chan, what should I do!"

I haven't spoken to my father for 6 years.

at this time.

Liu Yiyi's nervous hands are shaking!

Dai Chuchan also scratched his head in a panic, and finally said:

"Maybe it's your wishing spirit! You pick it up! Maybe your parents were touched by the feelings of the two of you and agreed to you to get married!"

After listening, Liu Yiyi nodded.

She thinks that it is possible.

After all, Lin Xian now is different from Lin Xian in high school.

Lin Xian at that time was just an ordinary boy in every respect.

But now Lin Xian.

He is also a young man who is brave for righteousness, he is also the ten outstanding young people in Donghai City, and he is also the honorary curator of the Palace Museum.

maybe

My parents really changed their minds and recognized Lin Xian!

Liu Yiyi squeezed a smile.

Encourage yourself.

"Come on! Sister, come on!"

Dai Chuchan also had a sense of substitution, clenching his fists to encourage Liu Yiyi!

beep.

Liu Yiyi presses the answer button

" dad.. …

dad.

Liu Yiyi's voice trembled.

After 6 years, the father and daughter contacted again.

The tears that made her feel wronged, ticked down

"Yiyi.

The voice over there is steady and majestic, but it lacks the gentleness that a father should have towards his daughter.

"Your mother is angry with you, so you can go home immediately.

Liu Yiyi was surprised!

The phone almost couldn't hold it steady!

"Huh? Mom, what's wrong with my mom? Tell me, daddy, what is wrong with my mom?"

"Humph..…

There was a grunt on the phone.

"Is it at school?"

"Yes, yes, I'm practicing piano in the school piano room, my mother is her"

"The driver who picked you up has left the highway and will arrive at your school in about 5 minutes. I will let him pick you up."

"Wait, wait for Dad

"Beep, beep, beep"

The phone has been hung up over there.

Liu Yiyi looked at the screen where the phone was hung up.

Feeling lost.

Somewhat untrue.

"My mom, my dad said my mom was ill with me

"Senior Sister! Hurry up and call your mother to ask about the situation!

807 Liu Yiyi then reacted.

Quickly dial the mother's phone--

Toot--toot--toot--

No one answered.

"broken."

Liu Yiyi's face was pale:

"Maybe my mother is really mad by me!"

Liu Yiyi clenched his fists.

Suddenly feel

I'm really an unfilial daughter

It's been 6 years since I left home.

Although her parents did something wrong, she has never returned home in the past 6 years.

Parents are old

The body really can't stand anger!

"Chu, I'm afraid I have to go back to Hangzhou to see my mother. I guess I won't be able to practice with you this weekend."

Dai Chuchan hurriedly shook his head:

"Family matters! What if we don't perform on this show!"

"Hurry up and call senior Lin Xian and tell him about this too!"

Liu Yiyi sighed.

Hey.

I was completely panicked.

Step by step, Dai Chuchan was completely guiding himself.

"Thank you Chu Chan

at this time.

Someone you can rely on.

There is only Lin Xian!

Liu Yiyi dialed the back-to-back number.

Toot--toot--toot--

Toot--toot--toot--

No one answered 20 consecutive calls.

Liu Yiyi put down the phone weakly.

"It seems that he has been sealed off by national protection, and his mobile phone must have been confiscated uniformly."

Dai Chuchan looked sad.

She frowned.

This scene

How is it so familiar?

She recalled "the dream once".

In my dream, when I saw Lin Xian's photo appeared on the TV, I wanted to send Lin Xian a message to congratulate him.

But what I received was an automatic reply prepared in advance--

"We can't contact you for the time being in preparation for major events. I will reply to your message later."

[Why are things that happen in real life surprisingly consistent with my own dreams?]

She hurriedly comforted Liu Yiyi:

"Senior sister, it's okay, since Lin Xian is traveling with the country to compete, this kind of confidentiality is also normal."

Liu Yiyi also nodded:

"This is nothing. Lin Xian also greeted me in advance, saying that the phone had been confiscated since today. I just think I should tell him, so that he won't worry about me back."

"But it's okay! I will go home this weekend to see my mother, and I will be back next Monday. At that time, whether it's the school celebration or going to my house to watch the game, there is no delay!

After figuring it out, Liu Yiyi felt much less pressure.

Her face also became ruddy.

The gratifying smile climbed back on his face.

"Then Chu Chan, please wait for me for two days."

"Senior sister, no problem!"

Dai Chuchan patted her chest, very reliable:

"You can rest assured to go back to Hangzhou!"

咚咚.

咚咚.

咚咚.

At the door of the piano room, there were bursts of knocks.

Taste.

The door lock was pulled down.

Squeak--

The heavy soundproof door opened.

Two bodyguards in black suits and black sunglasses bowed deeply to Liu Yiyi inside the house:

"Miss Liu, we are here to pick you up!".

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