"Please the whole class?"

"Does it include drinks, fruit dishes and snacks?"

"Monday to Friday, or weekend? It is recommended that weekends are better. There is time, but the price is a little more expensive. Are you ok?"

"Well... Can you bring your family? Hei hei."

“……”

Zou Hao almost cried with anger.

Listen to the tone of these people as if he would lose!

no way!

Tree live a skin: "weekend, eat and drink all inclusive, can't take family!"

"Ouye! Handsome, primary school boy."

Zou Hao was patted on the shoulder with a confused face.

In the twinkling of an eye, a senior high school sophomore gave him a thumbs up: "well done! Our class is short of you, a Hao (silly) Shuang (rich) little Didi."

Zou Hao: "..." Mingming said cruel words, but why do you still feel humble?

Knock!

"Look, Jiang Fuyue started writing -"

I don't know who shouted, and all eyes turned to the podium.

Yes, Jiang Fuyue began.

On the other side, the pen cap of praise hasn't been opened yet, and he doesn't look at the title. His dark eyes stare directly at the whiteboard, as if in a daze or meditation.

"Haozi, is praise all right? It's all over there!"

"Shut up! What's the matter with you and boost others' morale? I'm glad you're used to venting for three to five minutes before you start writing. Don't you know?"

"Yes, I haven't seen him solve problems for a long time. I almost forgot."

Zou Hao nodded and inadvertently looked at Jiang Fuyue. Suddenly, the whole person was not well: lying in the trough! How did she write so fast?!

In just a few minutes, the dense numbers and formulas have spread half a white board.

"Shit..." others also found out.

"Didn't you say it was difficult?" then why did she write so fast?

"It's hard... It hasn't been certified globally..."

"It's over, it's over."

"I found that she didn't even use scribble."

"True or false?"

"If you don't believe it, you can get the answer directly as soon as you write the formula and substitute the numbers."

"Really..."

The senior high school sophomore in the front row suddenly turned his head and looked at several people with a smile: "now you know how many eyes Lord Ma has?"

“……”

Senior: "sister Yue never uses draft paper to do problems. A glance at the past is more accurate than that calculated by a calculator."

"..." grass!

At this time, the original dazed and empty talk and praise also began to write.

He was so fast that he seemed to have steps in his mind. Now he just wrote them down.

"Hiroko! Here we go! Here we go!"

Zou Hao secretly said to Naisi and immediately hit back with provocative eyes: "our praise is not bad. It depends on who can laugh to the end?"

The senior not only wasn't angry, but also shook his head regretfully. The little fart still lacked social beating

Zou Hao: "?" quarrel is quarrel. Why do you shake your head?

Twenty minutes later, Jiang Fuyue put on her pen cap and understated, "I'm fine."

The whole audience was smothered.

Tan praised the hand who wrote hard, and then continued in silence.

Ling Xuan came forward and Rao was already prepared. He couldn't help but be surprised.

It's too fast.

In her eyes, there seems to be no difficult and easy difference. The only difference may be the length of time it takes to solve them.

On her face, she never seems to see confusion and confusion. She is firm and brave at any time.

Everest can be measured, but no one knows where the thinking ceiling of Jiang Fuyue is.

At that moment, Ling Xuan seemed to see the gap between them——

It is not a gap, but a natural moat.

Thinking of her relationship with her father

Ling Xuan's eyes darkened.

With three minutes left, Tan praised and stopped: "it's OK."

The next step is to judge right and wrong.

Since this problem is a proof problem, it does not need to be solved. As long as the process steps can be logically self consistent, and finally the conclusion can be proved, it can be done.

Ling Xuan: "now we are all referees. As long as we find any logical loophole in the two steps, we can directly determine that there is an error in the proof process. Twenty minutes, the timing starts."

People were stunned and stunned——

"Ha? Let's find it?"

"Can I say I didn't even understand the topic..."

"You are not alone."

"This is a new problem. No standard answer can be found on major math websites around the world. We can only do so. Otherwise, there are other better ways?"

"Fortunately, this is a proof problem. If it is solved, who knows how many correct answers?"

The wails continued, but there were many people who showed calm, such as Ling Xuan.

He began to think about this question after reading it in a magazine two days ago. He already had a general idea in his mind, so it was effortless to look at the steps of the two people.

Another example is Chen Cheng.

Such a scene is no stranger to the old group of members of the Olympic mathematics class.

Because when Jiang Fuyue first entered this class, something similar happened, but the person challenging at that time was Ling Xuan.

Chen Cheng was the only one who stood up and pointed out lingxuan's logical misunderstanding in the "Jiangling battle".

Now, history repeats itself. Ling Xuan has become the author and referee. The challenger has just been promoted to the primary school. Only Jiang Fuyue is made of iron.

Chen Cheng couldn't help laughing at the thought.

Now he is not the boy whose cheeks burst red when he stood up and said a word.

As soon as the title was published, he took out the draft paper and did it together.

Although there is no certificate to the last step, it is not much worse.

He read Jiang Fuyue's proof steps in eight minutes. His thinking was clear and his logic was rigorous. The whole process was quite smooth and the method was simple.

Then he read about praise again, but this time it took a full 18 minutes, and he didn't fully understand a few steps in the middle.

However, the final conclusion is no problem.

On this alone, he knew which was higher or lower.

Twenty minutes passed quickly.

Lingxuan: "it's time. You can stand up and say what you see."

Everyone looked at each other, but none of them stood up.

Lingxuan asked again, "do you understand?"

"..." he was silent, guilty and short of breath.

The truth is that most people don't even smooth out the words of the title.

"I don't deserve it."

"Maybe my Mathematical Olympiad is not the same as that of sister Yue?"

"I understand the process of Jiang Fuyue, but I'm a little confused about talking about it."

“……”

Ling Xuan saw that everyone only dared to whisper below, but he didn't dare to stand up and say. Finally, he had to look at Chen Cheng.

This is a logic boss. Maybe he is not the best in the class, but he has the highest logical strictness.

"OK, let me talk about it." Chen Cheng stood up slowly against the crowd's gaze.

"Generally speaking, I can see through the steps of Mr. Jiang at a glance, unimpeded; although the entry points of the previous part of talking about students are different, they are essentially similar to Mr. Jiang's methods, which are all counter evidence, and there is no big difference..."

"So both are right?" someone couldn't wait to answer.

"That's also sister Yue's win. It's more than ten minutes earlier than talking about praise!"

"Yes, it's really hard to fight with sister Yue."

“……”

Chen Cheng ignores the sound around him and continues: "But the difference lies in the proof of lemma. In order to prove lemma 1, Mr. Jiang nested lemma 2 and discussed and proved it in two cases; while Mr. Tan tried to prove lemma 1 in the end with inequality theorem. Although the final conclusion is correct, a is not applicable to any positive real number. As for why this happens, I'm sorry, I didn't think of it for the time being 。”

Ling Xuan nods. His thinking is similar to that of Chen Cheng.

Jiang Fuyue is right. There is no doubt about this, because the logical chain is perfect.

But it's not necessarily wrong to talk about praise.

Because they really didn't find out which step the problem was.

Then you can only

"Why don't you exchange?" Ling Xuan suggested to them.

Jiang Fuyue shrugged: "I don't care."

Tan praised the corners of his mouth a little tight: "yes."

The two exchanged positions.

Five minutes later, without waiting for Jiang Fuyue to pick a mistake, he said to himself, "I lost."

The audience was quiet for a moment, and then——

"Yue Jie Niu X!"

"What is the invincible myth? That's it."

"Win, win, bet!"

"Primary school brother, dream building bag, the senior is here to thank you first!"

"When to go, remember to inform the time in the group. I'm the group manager. I can help you @ all."

"Also, the fruit tray should be the largest, with cherries."

“……”

Zou Hao: "

"Why, is it painful? I'm willing to gamble and admit defeat."

Zou Hao's mouth rose and pulled out a smile: "I don't feel bad, I don't feel bad at all."

Wallet: I hurt! Slimming warning!

At this time, Ling Xuan looked at Jiang Fuyue and suggested, "why don't you tell us your ideas?"