It's just that in the days that followed, someone made an appointment to play mahjong, offered Liu Yazhen or mentioned Liu Yazhen——

Li Shu always said disdainfully: "I don't like this person, he is dishonest, lies a lot, and love is calculating behind his back."

Yes, Liu Yazhen suddenly lost her popularity in the circle of wives in W city, and she was so angry that she cursed.

——

Beijing.

"The family matter is settled." Cheng Shuo came over and said to Xue Jiao.

They are all high school students, the competition is not divided into groups, and they study together.

They saved a lot of people, Chu Sheng, Gu Xuejiao, Cheng Mingze, Li Lei, Pang Ming, and the person who was taken away by the police for investigation, as well as several other schools. Li Lei's previous competition was full marks.

Yin Fang mentioned that this person has been preparing for the competition, and he is taking the competition route.

It takes a lot of pressure to get good grades.

"That's good." Xue Jiao exhaled.

Cheng Mingze nodded and gently rubbed her hair again: "Come on for tomorrow's training camp!"

"Okay, so are you."

The mathematics competition they participated in was different from the previous mathematics Olympiad. The current winter camp for mathematics competition is more like a training camp. There will be many teachers who will teach part of the knowledge of mathematics history, and they will also be tested in various quizzes.

The training continued until the 24th of the twelfth lunar month, the 25th of the twelfth lunar month, and the closing ceremony on the 26th of the twelfth lunar month.

This period of training has been extremely stressful, and I have no time to think about other things.

As the exam gets closer, more and more questions will be exposed.

Xuejiao became more stressed, and basically didn't look at her phone much at night, but she would still read Lin Zhihua's news from time to time.

This person is also in Beijing, but they haven't had a chance to meet...

Lin Zhihua knew that she was training, and it would not affect her. She just talked to her when she was under great pressure and talked about the math competition.

Twenty-five days.

Xuejiao wrapped herself into a zongzi, and Lin Zhihua reminded her that the classroom for the second round of exams had no heating, only air conditioning.

And because the door can't be closed, the indoor temperature can't be high, so you have to wear thicker clothes.

Xue Jiao reminded that most of the people who knew her were wearing thicker clothes.

The classrooms in the usual training camps can be closed, and the temperature is much higher. The classrooms with the doors open are definitely another temperature.

Sure enough, even if Xuejiao was in a good position, he didn't have the urge to take off his down jacket.

The students by the back door were from another province, and they sneezed several times, so it was quite cold.

In the entire examination room, only she and Chu Sheng belonged to the same school.

Chu Sheng is near the front door. He is wearing a lot thicker clothes today than before, but it is snowing heavily in Beijing today, and the southerners who have never been here may not be able to bear it...

Soon, as soon as the test questions were posted, Xuejiao didn't have time to worry about others.

The number of questions in the competition is not large, but each question is very difficult and novel in type.

Even if Lin Zhihua did not analyze it in advance this time, Xuejiao had to be careful with many traps.

Especially the last inductive question, the inductive question competition is often tested, and they have done countless related exercises before.

Xuejiao thought about it carefully, it was a bit difficult, but it was not incomprehensible.

She drew it carefully on the manuscript paper, deduced it step by step, tried both the traditional method and the new method mentioned by the teacher during the training, got the same K value, and then deduced the same answer, and then copied it on the paper.

This is the question with the heaviest score. Xuejiao copied half of it, and suddenly thought of a sentence from Lin Zhihua a few days ago—

[Competition questions are sometimes very logical thinking, but sometimes... you have to be careful, the logical reasoning may not be correct, the original conditions, this is the key. 】

Xuejiao was stunned.

wrong!

It shouldn't be like this!

The obtained K value is contradictory!

Xue Jiao thought so, and quickly turned the answer sheet to the bottom, then took out the manuscript paper and pushed it in the opposite direction.

Outside Bai Xuekaikai, the cold caused all the students to move their numb feet unconsciously. Some of them couldn't help but curl up and were led out by the staff.

Xuejiao was sweating profusely and repeated calculations.

This is not right!

That's not right either!

Still not right!

wrong!

wrong!

Xuejiao looked at it over and over again, sweating profusely.

At this time, Chu Sheng, who was close to the front door, also left. He walked a little shaking and his face was pale.

Xuejiao looked around again, there were not many people left, the weather was too cold, and as long as she was done, she basically left.

Feeling the invigilator's gaze, Xue Jiao retracted her gaze and took a deep breath.

Lin Zhihua's words resounded in his mind again——

[When you encounter a problem that you think is difficult or difficult, simplify it and break it down layer by layer. The competition problem is difficult, but it is only a math problem. 】

Her fingers trembled slightly, and the time was almost here.

At this time, there were only four people left in the entire examination room.

Her fingers swayed so much, Xuejiao squeezed her pen, word by word, and slowly finished the last question—

Answer: There is no solution to this question.

As if the poking was finished, the handwriting was clearly crossed, and the answer sheet was almost scratched.

After writing, the back was already wet in such severe cold weather.

In the history of the competition, there have been many different kinds of questions, and there have also been many extremely novel questions, but there has never been the last question, the question with the most points, and the answer is no solution...

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