Chapter 676 He is leaving, a bouquet of roses (Part 1 and 2)
Twenty minutes later, Ling Xuan and Guo Zidong raised their hands at the same time.
"Teacher, hand in your paper."
He Longchang: “?” It’s only been fifty minutes.
It seems that the 4.5 hours were wasted.
Ten minutes later, Wei Kongjue, Wu Pingting, Chen Cheng, and Tan Jiaxu handed in their papers.
After coming out——
Chen Cheng asked: "How do you feel?"
On the praise: "It's not difficult."
Chen Cheng: "Looks like we need to be more vigilant this afternoon."
Tan Jiaxu's eyes suddenly became cold.
The first three questions are mediocre, but the last three questions are bound to widen the gap.
The two went to the cafeteria, Jiang Fuyue and Ling Xuan had already prepared their meals. They devoured them in no time and ran to the dormitory.
There are still five hours before the afternoon exam, which is enough time for them to practice another set of questions and take a nap.
…
In the office, He Longchang came back with the test paper.
Li Zhao: "So fast?"
He Longchang: "The questions are simple, and I submitted them all in advance."
Xiang Pengyi chuckled and said meaningfully, "I hope they can be so relaxed this afternoon..."
"By the way, let me ask you something."
"you say."
He Longchang: "That Jiang Fuyue doesn't use scratch paper when doing his homework?"
Li Zhao nodded: "I discovered it on the first day."
Yuan Bentao: "When I called her up in class, she could tell me the answer straight away. When I asked her how she calculated it, she said her brain just gave her the answer."
He Longchang was speechless for a long while: "...This student is really quite capable."
In the afternoon, the examination room remained unchanged.
The difficulty of the questions was much lower than that in the morning.
The first question left everyone confused and scratching their heads.
Suppose z1, z2, z3 are three complex numbers with modulus not greater than 1, w1 and w2 are two roots of the equation X=0. Prove that for j=1, 2, 3, min... is less than or equal to 1.
This question looks like an algebra problem, but the first thing that comes to everyone’s mind is the geometric method, because that’s how the teacher taught it, and they have encountered similar questions in the previous quiz training.
Without thinking, everyone started thinking in the direction of geometry.
But the further they went, the more confused everyone's expressions became.
Why is it different from usual?
Is it different from what the teacher said?
The most fatal thing is that I can’t do it anymore when I’m halfway through!
Everyone was dumbfounded.
When Jiang Fuyue got this question, the first thing he did in his mind was to compare it with the questions he had done before. Sure enough, it only looked similar.
In fact, they are two completely different things!
This problem is fundamentally changed because it is missing a condition and has an additional equation restriction. It can only be solved using algebraic methods or algebraic plus geometric methods.
Pure geometry won't work.
As for Chen Cheng and Tan Jiaxu, their first reaction to the problem was also geometric methods, but before they started writing, they remembered what Jiang Fuyue once said: "If they are not exactly the same, never say that two problems are similar."
Sure enough, there is an additional equation restriction!
The two did not dare to be careless and tried to use geometric methods on the draft paper. As a result, they saw the clue in the second step and quickly changed direction and adopted algebraic methods.
Here we have to mention what Jiang Fuyue said before: "In addition to concentrating on pulling the cart, we must also learn to look up and see the road, because direction is more important than hard work."
Jiang Fuyue spent ten minutes on the first question.
When Yuan Bentao heard the sound while turning the page, he couldn't help but look in her direction and immediately raised his eyebrows.
Is it done?
Still don’t know how to do it and plan to skip it?
The second question is very coincidental, it still tests algebra.
It is a problem about the reverse Cauchy inequality on convex sequences.
It was originally obtained by Alzer, a mathematician from Country D. Later, it was studied and refined, attracting many mathematical experts and producing more and more research results.
Coincidentally, Jiang Fuyue had read relevant papers and knew many conclusions that had been proven.
There is a derived theorem that is related to this problem. If you can use it directly, then this problem can be easily solved in just three steps.
Unfortunately, IMO has requirements that you can only use high school knowledge to answer the questions.
Even the theories of calculus and linear algebra cannot be used directly.
It is not impossible to use it if you really need to, but you must use existing high school knowledge to complete the proof or deduction on the spot.
Jiang Fuyue was silent for a moment. Well, the derivation process is quite complicated.
Ten minutes later, she asked for an extra roll.
Yuan Bentao paused: "What's wrong?"
Jiang Fuyue: "Not enough to write about."
In the end, Yuan Bentao added a blank page of test paper for her on the spot.
Others: "?" Which question was so abnormal? How could Jiang Fuyue actually ask for an extra paper?
Hmm... I seem to have even less confidence.
Jiang Fuyue spent a full twenty minutes on this question.
Not only did he fill up the blank spaces on the test paper with dense words, but he also wrote on the added page with great enthusiasm.
When he passed by her during the patrol, Yuan Bentao was shocked at first glance.
Does the second question require so many steps?
No!
What is she doing?
The third question was actually the easiest, and Jiang Fuyue only spent eight minutes on it.
So, 38 minutes into the exam, Jiang Fuyue raised her hand again...
In an instant, gasps were heard one after another in the examination room.
Damn! How come it’s faster than this morning? I’m dying!
I just want to ask, is she still human?!
I want to open her brain and see what's inside it and how it's different from that of ordinary people.
Seeing Professor Yuan’s stunned look, I felt relieved.
…
Ling Xuan came out two hours after the exam started.
When everyone was shocked and a little upset because Jiang Fuyue handed in the paper early, Ling Xuan didn't even raise his head and wrote with concentration.
After all, I've gotten used to it.
Others are afraid, but I am calm because the devil is around me.
The more scared he was, the braver he became.
Chen Cheng came out three hours and fifteen minutes after the exam started, more than an hour later than Ling Xuan, but judging by the expression on his face, his completion rate should have been quite good.
Tan Jiaxu also came out five minutes later with a smile on his face.
The four of them did not discuss the questions, nor did they consult Jiang Fuyue for answers.
Chen Cheng: "Finally the exam is over!"
Tan Jiaxu: "After a week of hard work, I can finally have a good sleep tonight."
"When did Guo Zidong and Wei Kongjue hand in their papers?" Jiang Fuyue suddenly asked.
She was not aware that both of them were in the second examination room.
Chen Cheng: "I don't know. Anyway, they hadn't submitted it when the commendation came out."
Jiang Fuyue curled her lips slightly: "Very good."
Tan Jiaxu and Chen Cheng looked at each other and understood each other tacitly.
That night, Ling Xuan treated them to a big meal outside the school.
As expected of a young master from a wealthy family, he was very generous and ordered Western food, which was one of the three most expensive in the capital.
Chen Cheng: "Ah, it's nice to have money."
Tan Jiaxu: "Burp! This damn smell of money."
When I came out after eating, it was already dark, the street lights were dazzling, and the neon lights were flashing.
The four of them were about to take a taxi back to school when Jiang Fuyue suddenly received a call. After saying "hello" twice, she said that she would not go back for the time being and asked them to go first.
Ling Xuan frowned: "It's not safe for you to be alone."
"Don't worry, I know my limits."
Ling Xuan knew he couldn't persuade her: "Call if you have anything to say, don't be too late."
"good."
The three of them then got in the car and left.
Five minutes later, a black Mercedes stopped in front of Jiang Fuyue.
She opened the car door and got in the passenger seat.
Xie Dingyuan: "Congratulations."
Jiang Fuyue raised an eyebrow: "What do you mean?"
“IMO gold medal is in sight.”
"The national team roster hasn't even been announced yet, and you're already congratulating me on winning the gold medal? Isn't that a bit too early?"
"Speak in advance, I'm afraid there won't be a chance when the time comes."
Jiang Fuyue was slightly surprised: "What's wrong with you?"
Only then did she notice that the man's face was tired, with fatigue in the corners of his eyes and eyebrows. Because of his fair skin, his dark circles were particularly obvious.
Just now on the phone, he also said that he had to meet her, and his attitude was very firm.
In fact, Jiang Fuyue was a little dissatisfied.
But now it seems...
The man's Adam's apple rolled slightly, and his deep voice was slightly hoarse. "I'm leaving for Continent F tomorrow. It will take at least three months, and at most half a year or even longer. I may not be able to witness the moment you wear the gold medal, so congratulations in advance."
"Continent F? Are you on a business trip?" But as far as she knew, Hanqing did not have any business there.
Xie Dingyuan shook his head.
"What is that?"
"…I'm sorry." He couldn't say it.
Jiang Fuyue naturally wouldn't force it, "Okay, I'll take it."
The man smiled faintly: "And this."
Then, like magic, he took out a bouquet of roses.
"Was this also delivered in advance?"
"Um."
"Okay." Jiang Fuyue took it and held it in his arms.
The moment I lowered my head, the fragrance of flowers filled the air.
Suddenly there was a snapping sound——
She looked up in surprise, and there was another sound, and this time the flash went on.
It was Xie Dingyuan who took out his cell phone and took a picture of her.
"you……"
"It's beautiful. I'll send it to you."
As soon as he finished speaking, Jiang Fuyue's WeChat vibrated twice.
I actually sent it to her.
The man put his phone in his pocket and held the steering wheel: "I'll take you back to school."
Xie Dingyuan came in a hurry and left in a hurry.
It seemed like this trip was really just to say "congratulations" to her in person.
Oh, and this bouquet of roses.
A look of doubt flashed across Jiang Fuyue's eyes, but she didn't think much about it and turned to enter the school gate.
The results were announced the next day, and all 34 members of the training team were present.
The teacher hasn't arrived yet and the whole classroom is buzzing.
Chen Cheng: "Did you watch the news this morning?"
Tan Jiaxu shook his head: "What? Did something big happen?"
"It is said that an unknown virus has appeared in Continent F, causing the deaths of over 200 people. The Tajik government has urgently requested help from China, hoping to send a team of experts..."
Two updates, three thousand words.
(End of this chapter)
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