There were short desks and chairs, a clean blackboard, and a faint smell of books in the air. Lin Chaoxi hadn't sat down in the classroom at 8 a.m. for a long time, and he missed it.
She rubbed the two-cent coin in her palm, put it in her pocket, and looked out the window. To the northeast was Zhuanzhu Lane, but she couldn't go to find Lao Lin yet, because her current identity was Xiaolin Chaoxi, who had to go to school well.
The Olympiad Mathematics class starts at 8:20, but only half of the students have arrived.
She scanned the classroom, opened her Olympiad textbook, and prepared to review the content of the class in advance, mainly to find out what it felt like to be an excellent student.
Last class we talked about the first lesson of sailing on flowing water, this class will talk about the second lesson of sailing on flowing water...
With his hand on the textbook, his thumb suddenly stopped turning the pages.
Lin Chaoxi flipped forward two pages and saw that classmate Lin Chaoxi had written something in crooked handwriting.
1. Complete the exercises for the first lecture on sailing on flowing water.
2. Think about additional question 1.
3. Registration forms will be distributed for the next class, so make sure you pass!
She held her chin up to her hand and looked at the childish handwriting that belonged to her. In the sunlight, her exclamation mark shone brightly.
Lin Chaoxi thought that she had never been so impulsive when she was a child.
I never had any particular idea of wanting to get or accomplish anything.
She sat like this for a while, until someone sat down next to her and nudged her with his elbow, knocking her hands away from her face. She staggered in her seat, turned her head, and saw a chubby kid.
The kid had a big face and small eyes, like two black beans dotted on a white steamed bun. He was staring at her angrily, as if he would never forgive her if she crossed the 38th parallel between their desks again. He was so cute.
Lin Chaoxi reached out and pinched the child's cheek. There was a bruise there, from when she hit him yesterday.
Yes, that’s right. The student from Class 10, Grade 5 of Hongxing Primary School who was chosen to attend the Olympiad class with her was named Lu Zhihao, the son of their head teacher and Xiaolin Chaoxi’s number one enemy.
She smiled and greeted him generously: "Lu Zhihao, you are here."
Little Lu Zhihao shuddered and slapped her hand away: "You are crazy!"
"You're crazy. It's not illegal to hit you." Lin Chaoxi said quietly and turned to flip through the book.
"You're a psychopath without parents!" Lu Zhihao got mad and yelled at her.
The classroom fell silent.
"Lu Zhihao!" On the podium, the female teacher who had just walked in turned pale with anger.
Lin Chaoxi also raised her head suddenly. She originally just wanted to tease Lu Zhihao, but she didn't expect that classmate Lu's mother would come in.
Lu Zhihao's mother, Teacher Xu, threw down her textbook and a pile of graded exercise books, and walked to their table in her high heels.
Lin Chaoxi estimated that if it was at home, Xiao Lu's butt would have been beaten to a pulp. But in the classroom, Teacher Xu had to give face to his son.
"Apologize to Lin Chaoxi." Teacher Xu's eyes were stern and extremely serious.
Lu Zhihao was startled by his mother, and his eyes were red with fear. He turned his head reluctantly and sobbed: "I'm... I'm sorry..."
"Another student's background is not a reason for you to attack her." Teacher Xu said at the end, as if he was also talking to the rest of the class.
Lin Chaoxi pursed her lips. In fact, she still felt a little uncomfortable when Lu Zhihao said that just now.
But not at all now.
…
This lesson is about the second lecture on sailing on flowing water. The core of all sailing on flowing water is two formulas.
Downstream speed = boat speed + water speed
Upstream speed = boat speed - water speed
Teacher Xu was talking about these things on the podium. Lin Chaoxi had learned them once ten years ago. At that time, she felt that the content of this lesson was not simple, but now she learned it again and she felt that it was too clear. This is not to say that her intelligence level has made any great progress compared to the fifth grade of elementary school, but her ability to understand problems is different.
V Ship = (V Forward + V Reverse) / 2
Vwater = (Vforward - Vreverse)/2
Looking at the contents on the blackboard, Lin Chaoxi also started copying.
"V-Ship = ..."
Before she had finished copying half of the formula, the smooth adult handwriting on the thin face made her shudder. A fifth-grade girl's handwriting was like this, she must be a true disciple of Pang Zhonghua. She quickly switched to her left hand and copied the formulas written on the blackboard one by one.
Lu Zhihao is right-handed, and his right elbow is against his left hand, so it would be bumped after he wrote two words, making it very uncomfortable for both of them to write.
However, perhaps because he had been scolded by his mother who was giving a lecture on the stage, although Xiaolu was very unhappy, he endured it very hard. When he was caught writing a word incorrectly, he would vent his anger by rubbing the paper with an eraser.
Lin Chaoxi had no choice but to stay in a corner and write.
Finally, probably because he couldn't stand being hit after writing two words, Xiao Lu put down his pen with a snap, his small black eyes widened, and his attitude was exactly the same as his mother's when she threw the book.
"Why did you suddenly change hands? There are so many things to do!"
Because my handwriting is so beautiful, I’m afraid you’d be suspicious.
Lin Chaoxi thought silently.
But before she could come up with a good excuse, she heard Lu Zhihao say in a domineering tone: "Switch seats in the next class, I'll sit inside!"
Lin Chaoxi had no way of refusing. She could only look at Xiao Lu's steamed bun-like face and almost couldn't help pinching his cheeks again.
However, they still didn't get the chance to change seats in this Olympiad class.
During the break, Teacher Xu put down the chalk and said, "Students, let's use the ten minutes between classes and the first five minutes of the next class to do a pop test."
The rest of the class complained. Lin Chaoxi twirled her pen. It had been a long time since she had an exam, but she felt excited.
The test paper was handed out quickly. It was a thin and crisp A4 paper. Teacher Xu was well prepared and had printed the test paper in advance.
There are a total of ten application questions on the test paper, but the test time is only fifteen minutes. This means that you only have one and a half minutes to complete each question, which tests your thinking speed and calculation accuracy.
Lin Chaoxi took a quick look at each question.
Ten application questions.
Three questions on the "Principle of Inclusion and Exclusion"
Three questions: "Cows eating grass"
Three Questions: "Sailing on Flowing Water"
There is also a final additional question related to flowing water and sailing, which is considered to be the content of the previous lesson, but it is not very related to the content of the previous lesson. It is beyond the syllabus and is a question for sixth graders.
The only sound in the classroom was the rustling of students doing their homework. Lin Chaoxi pondered for a while. In fact, she was in some trouble.
It’s not that I can’t do it, but I’m too good at it.
After more than a decade of formal math exam training, she has developed inertial thinking when seeing these basic questions. In other words, she has mastered more advanced tools, but her ability to use simpler elementary school formulas to solve problems may not be as good as Kobayashi Chaoyi.
She began to try to think in a dimensionality-reducing way, and worked very slowly. After seven or eight minutes, she had only finished three questions.
At this time, the Olympiad teacher who had been walking around the classroom spoke up: "Do the exercises carefully and meticulously. The next week will be the selection exam for the summer camp. Being able to enter the summer camp means that you are one step closer to the junior high school group Olympiad championship!"
Lin Chaoxi felt that this "step" was a bit too big.
The primary and high school group refers to fifth and sixth grade primary school students. There are more than 100,000 fifth and sixth grade primary school students in the city, but only five of them can actually participate in the competition to represent An Ning.
There were many selections before that.
Each school selects 10 people to participate in the "Summer Camp Selection Examination". There are only 50 places for the summer camp, and 5 people are left through elimination to represent Anning City in the provincial competition where the city is the participating unit.
The total score of the five people is added together to get the total score of the group.
And now, they haven't even passed the school-level selection, but the teacher is already looking forward to them winning the provincial championship. This pie is too big. What's more, the level of mathematics education in Anning City is not very strong, and it is not ranked in the province. How can they suddenly aim for the championship?
Thinking of this, the teacher automatically explained to them: "Let me put it this way, there is an absolutely talented elementary school student next door, who will bring up the total score. We, An Ning, are determined to win the first place in the team in this Jin Cup competition."
As she spoke, she automatically passed by Lin Chaoxi. Lin Chaoxi's heart skipped a beat and he silently recited the name.
"Who is it, teacher?" someone asked.
"Zhang Liang, I think some of you guys know him."
Lin Chaoxi paused with his pen tip, and suddenly looked up at the Olympiad mathematics teacher who was communicating with the students.
There were some people below who were like “Oh oh oh”, “He’s so awesome”…
Lin Zhaoxi was confused.
If there is no big difference between these two worlds, and if her memory is correct, then in September this year, Pei Zhi would have won the individual championship.
And Zhang Liang?
Lin Chaoxi remembered Zhang Liang, which was indeed smart, but how could it be possible that he overshadowed Pei Zhi?
She thought about all sorts of things until the slap from the math teacher made her sober up: "Every in-class test will be counted towards the total score. Don't think that everyone can go to the next door to take the selection exam. Only 10 of you can go to the competition."
"Next door" refers to the experimental primary school across the street. Lin Chaoxi tapped her head with a pencil. She knew better than anyone how much Lin Chaoxi cared about the Jin Cup and how hard she wanted to get into the summer camp.
Xiaolin studied hard and was smart. She always did well in the quizzes and had a high score. She had a good chance of representing the school to participate in the Jin Cup Summer Camp Trials. The dean's mother was very proud of her. Even many children in the dean knew about this and regarded her as an idol.
Now...
Lin Chaoxi glanced at Xiao Lu's paper, which had already finished five questions, and then looked at his own.
She held the pen carefully, sobered up, sighed, and stopped thinking about Pei Zhi. She had already made others unhappy by skipping school, and this time, she really didn't want to see the disappointed look of the dean's mother again.
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