Rebirth and daily cultivation

February 5, Thursday morning, the third class, mathematics class.

Gao Heshuai's loud voice sounded: "Let's look at the last question. The mathematics department of a certain university plans to hold a psychological test activity with different themes on Saturday and Sunday, respectively led by Teacher Li and Teacher Zhang. It is known that there are n students in the department..."

"(Ⅰ) Find the probability that student A in the department receives the activity notification information sent by Teacher Li or Teacher Zhang;

(Ⅱ) ​​Find the integer m that makes P(X=m) reach the maximum value."

Gao Heshuai read the question, paused, and used induction to list the process and answer of the first question.

When it came to the second question, he hurriedly read the answer and then threw the chalk.

Relaxed announcement: "Okay, I've finished explaining this test paper."

The classmates were confused, and Yu Wen raised her hand: "Teacher Gao, you explained every question before, why didn't you explain this question suddenly?"

Gao Heshuai looked at Yu Wen: "This is the final question of science and mathematics in our province in 2013. You won't understand it even if I explain it."

Yu Wen was choked: "There must be someone who can understand it, right?"

Gao Heshuai looked at Xue Yuantong, Jiang Ning, and Chen Qian, and said: "Those who can understand it don't need me to explain it."

"I sincerely advise everyone, if you encounter questions you can't understand in the college entrance examination, don't look at them, calculate other questions, get the points you can get, don't aim too high!"

After Gao Heshuai gave a few words of education, he left Class 8 with a teacup.

Yu Wen complained in her seat: "It's too much! Fatty Gao has no sense of responsibility! Yanan, don't you think so?"

Jiang Yanan thought what Teacher Gao said was good, but on the surface, she still agreed with the little sisters.

After Gao Heshuai left, the classroom became a mess again.

Duan Shigang in the first row did not give in to depravity. In order to avoid a tragic fate, Duan Shigang has been studying very hard recently. He has made a comeback in junior high school mathematics knowledge as a sophomore.

When he encounters something he doesn't know, he asks his classmates. Of course, he can't ask Wu Xiaoqi for help, because Wu Xiaoqi is even worse than him.

Duan Shigang holds a junior high school exercise book, turns around and asks Chai Wei: "Awei, look at this question, why is the answer I calculated different from the real answer?"

[If a=a, then a =? ]

Duan Shigang's answer is: a=a.

Although Chai Wei is gloomy, he is not completely disgusting. He can still chat with people. Facing Duan Shigang who asked him for help, Chai Wei did not let him go. After all, Brother Gang looks quite capable.

Chai Wei: "Wrong, the answer is a=0 or a=±1."

Duan Shigang was depressed: "How can it be equal to this? Aren't the previous ones the same?"

Chai Wei stared at him and said: "You like Zhou Jinglan, does that mean Zhou Jinglan likes you?"

Duan Shigang turned around cursing.

The four seats in a row.

Chen Siyu was counting on her fingers: "According to our school's arrangement, there will be final exams tomorrow, which will last for two days, and then it will be winter vacation. Oh my God, even if the exams are over, there are still 10 days before the Chinese New Year!"

"Add the holiday after the Chinese New Year, wouldn't it be 20 days off?" Chen Siyu couldn't believe it. Wouldn't she and her sister be upset?

Xue Yuantong was playing a tank online battle game. She was very excited to fight against others, and she didn't forget to respond: "Yes, I can sleep for 20 days, it's so cool!"

Facing the upcoming winter vacation, Chen Siyu was very excited. Of course, she didn't forget that if she wanted to have a good winter vacation, she must get good grades so that she can continue to sit with Bai Yuxia next year.

After all, there are countless people in this class who are greedy for Bai Yuxia!

She wants to protect the best Xia Xia!

Chen Siyu found out the math problem that Teacher Gao was unwilling to explain just now. Since the teacher was unwilling to explain it to her, she asked Jiang Ning for help!

"Tongtong, can we change seats? I want to talk to Jiang Ning about the problem." Tongtong blocked the meeting between Chen Siyu and Jiang Ning.

Xue Yuantong was playing games: "Can't I explain it?"

Chen Siyu was embarrassed: "But, you are playing games."

"It doesn't matter, tell me, which problem?" Xue Yuantong put down his phone generously.

So next, Xue Yuantong began to explain the problem to Siyu.

This time, Tongtong treated Siyu as a primary school student, and explained each step separately, which was extremely detailed, completely different from the usual perfunctory.

Chen Siyu lowered her face, immersed in the verification, and gradually understood the first question thoroughly. She was so happy.

Surprised, she looked up and thanked Tongtong.

It turned out that Tongtong drove a tank, dodged in various ways, and fought fiercely with the enemy, and then explained the problem process to her with a very clear mind.

Chen Siyu was stunned for a moment, and suddenly understood why her grades were so good.

…

Duan Shigang felt a great success after a class of in-depth mathematics learning. When he walked, he felt that he had gained the power of knowledge. He briefly gained the buff of loving learning.

But he had a bad side. After reading a little, he began to look down on others. Duan Shigang looked down on his unlearned deskmate: "Xiaoqi, if you don't study every day, what will you do in the future!"

Wu Xiaoqi looked surprised and thought he was very strange.

Duan Shigang wandered to the back row, full of confidence: "Brothers, when I go to college, should I study computer science or finance?"

Cao Kun said: "Computer science, mobile Internet is so developed now."

Song Sheng, who was throwing away garbage, looked at him with his small eyes: "It's better for you to study something down-to-earth like auto repair. Don't you know how to modify ghost fires? Isn't this professional?"

Duan Shigang was angry: "Fuck, why do I have to deal with gasoline every day?"

Song Sheng: "Haha, then you should work hard, get into a 211 university, and study mechanical automation."

Duan Shigang debated with him about all walks of life.

Song Sheng was too lazy to talk to him, and said: "No matter what choice children from ordinary families make, they will end up in a mess."

After the words fell, Song Sheng added: "Wu Xiaoqi's parents just bought a house in Shanghai for him. Think about it, can you buy one after working hard all your life?"

Duan Shigang has seen the real society. He was persuaded to return to school after being expelled from the factory. Hearing this, he felt particularly powerless.

Guo Kunnan stood up and said indignantly: "What is there to envy? That's just what his parents give him now!"

Song Sheng: "Indeed, his parents will give him more in the future."

"Fuck!"

Guo Kunnan suffered a heavy blow and felt uncomfortable: "..."

Seeing that her classmates were depressed, Xin Youling comforted them: "Happiness has a threshold. Everyone's happiness is different. How much food can a person eat in his life, how much can he get..."

Song Sheng looked at Xin Youling and interrupted her: "Class monitor, have you ever worried about material things?"

Xin Youling was stunned and said, "No."

Although her family is not rich, they live in one of the best communities in the city. She has basically everything she wanted since she was a child. She has the latest mobile phones, the latest computers, shoes, and clothes. She has never worried about material things.

She had a conflict with her parents in the third grade of elementary school and ran away from home. At that time, she only had a pitiful 5,000 yuan in New Year's money.

After satisfying material happiness, Xin Youling would pursue spiritual abundance. When she waved her hand, the whole class obeyed her orders and stood on her side. The satisfaction was incomparable!

Song Sheng saw through the connotation of the class monitor. People like the class monitor would never understand the helplessness of ordinary high school students trapped in material things, the desire to change a non-stuck mobile phone, want to buy a pair of brand-name shoes, and want to eat flat noodles with an extra braised egg and a braised sausage.

Song Sheng shook his head: "All living beings are ignorant, only I am sober! '

He left the back row like a poet.

After the heart-breaking king Song Sheng left, the atmosphere in the back row was much more depressed. Duan Shigang: "If the road is blocked, use scores to break it!"

At this moment, he restored his once ambitious style. Yes, in another year and a half, he will rewrite his life!

Duan Shigang found Xue Yuantong, who was the first in the class, the first in the school, and even the first in the city.

He asked, "Xue Yuantong, I want to ask you a question. My math grades have been failing for a long time, so do you know how to get 140 points?"

Xue Yuantong tilted his head and said seriously, "Do two fewer multiple-choice questions."

Duan Shigang left dejectedly.

His high spirits were shattered in an instant.

...

Afternoon.

Dongdong's grandmother rode a battery car back to the bungalow.

Seeing Dongdong making a snowman in the snow, Dongdong's grandmother howled, "My grandson, finally I won't pull your broken tire!"

Did Dongdong not pull it? There were no guests coming to the farmhouse for lunch at noon.

Dongdong saw his grandmother, and without saying hello, he squatted on the ground to make a snowman.

At this time, Teacher Qian smiled sinisterly, and he came to Dongdong's grandmother.

"You sneaky, go away!" Dongdong's grandmother felt disgusted when she saw him like this!

Teacher Qian's mouth twitched. If it wasn't for borrowing a knife to kill someone, he would definitely turn around and leave!

Resisting the nausea, Teacher Qian said, "Guess why Dongdong likes to pull tires, and guess who threatened him?"

Dongdong's grandmother did feel something was wrong, so she called Dongdong over and asked him in person.

Taking this opportunity, Teacher Qian hid his merits and fame, and prepared to wait for a good show.

Unexpectedly, the next moment.

Faced with grandma's questioning, Dongdong answered loudly: "I volunteered, I volunteered!"

Teacher Qian was dumbfounded. What the hell, Jiang Ning beat Dongdong so badly last night, and Dongdong didn't dare to complain?

His cognition was overturned.

Dongdong's grandmother didn't get any information, and she passed by Teacher Qian's house and spit at him.

Teacher Qian wiped his face and was so angry that his teeth itched.

Soon, to the west of the bungalow, a titanium gray electric car swung out a gorgeous arc, and Jiang Ning and Xue Yuantong were back!

Dongdong saw this and ran to Jiang Ning in fear. He asked for the money from Jiang Ning at a distance of three meters: "Pay me back my labor fee yesterday, 10 cents per trip!"

Yesterday he pulled 16 trips and earned 80 yuan. Logically, he should have 1.6 yuan in share.

Jiang Ning laughed. Sure enough, after a beating, Dongdong began to know what to do.

Jiang Ning sat on the battery car and counted ten 10-cent coins. He threw them at Dongdong and hit him in the face.

Dongdong was hit and became furious on the spot, but he didn't dare to get angry. He quickly lowered his head to pick up the money.

Jiang Ning hit him slowly, one cent at a time, which was very hateful.

Dongdong was hit many times, but he didn't mind. Teacher Qian couldn't stand it anymore and said: "If you have the ability, throw one-yuan coins!"

Jiang Ning really changed to one-yuan coins and soon threw out twenty or thirty yuan.

Teacher Qian held it in for a while and didn't say a word. He just hated that he was not hit.

…

Afternoon, in the boys’ dormitory.

‘Pang Jiao, haha, is she worthy of being compared with me? ” Zhao Xiaofeng sneered, and then he lit a cigarette and smoked it slowly.

The reason was that when they were discussing the heroes of No. 4 Middle School, Duan Shigang mentioned Pang Jiao from Class 8.

Zhao Xiaofeng is now the number one figure in the poor student circle of No. 4 Middle School, and is highly appreciated by Brother Tian. He usually smokes soft Zhonghua cigarettes, which shows his strength.

Ge Hao flattered him: "Yes, Pang Jiao is nothing, Boss Zhao gives an order!"

Zhao Xiaofeng was very happy to be filmed.

Ge Hao suggested: "Brother Zhao came to the dormitory to observe today, I am embarrassed, shout a few words to Brother Zhao, let's shoot a video and post it on Kuaishou!"

Zhao Xiaofeng thought it was good.

Ge Hao clapped his hands and shouted: "One, two, three!"

Then he started to shout: "Ten years of fighting and horses, my heart is lonely, I retire to the mountains!"

Zhao Xiaofeng sat on the bed, breathing out smoke, and the smoke gradually covered his face. With the dynamic shouting, he was like a king.

After the filming, Ge Hao was particularly considerate to match it with a dark and cold filter. Zhao Xiaofeng was very satisfied after watching it, and rewarded Ge Hao with 50 yuan for his hard work.

Ge Hao was very happy. After confirming that the video was very good, he clicked to post it on Kuaishou and added the address considerately.

Duan Shigang felt particularly uncomfortable when he saw this scene. In the past, it was his brother Gang who enjoyed all this!

Duan Shigang left the boys' dormitory with mixed feelings. His heart was so lonely.

…

The first class of evening self-study.

This was the last evening self-study of the semester. There was an inexplicable atmosphere in the classroom. There was both the pressure of the final exam and the excitement of facing the holiday.

The students gradually became chaotic, and Xin Youling's management was also relaxed.

At this time, a voice came from the loudspeaker: "

This afternoon, Zhao Xiaofeng, a student of our school, smoked in the boys' dormitory area without authorization, and took a video and uploaded it to the Kuaishou APP, which caused adverse effects. In order to enforce the school discipline... Zhao Xiaofeng was given a disciplinary punishment of staying in school for observation..."

Suddenly, the whole school was in an uproar!

Chen Siyu was puzzled: "How can there be such a stupid person who smokes and posts videos?"

In this environment, Jiang Ning used the shaved wood to set up a mini stove. He cut open the empty Coke can, leaving the bottom of the can as a small pot, and placed it on a wooden stand.

Then, Jiang Ning lit a candle, put it at the bottom of the can, and poured some oil.

Under the burning of the small flame, the oil quickly heated up. Jiang Ning took out the peanuts he planted in Huqi Mountain from his pocket, peeled them, put them in the mini pot, and started frying peanuts.

He held a small spoon in his hand, moved it back and forth, and fried the peanuts evenly, while covering them with spiritual power to prevent the oil from splashing.

Tongtong on the left, Siyu on the right, and Jiang Yanan in front all leaned over to watch him fry peanuts, and several of them were shocked.

'Can you still do this in the classroom? You're going to die! '

With the crackling sound, the fragrance of peanuts came out.

Jiang Ning picked up the crispy peanuts one by one and put them on the can of Coke that he had opened before. He took out a small bag of salt and spread it evenly.

Tongtong whispered to Siyu: "I must be the first one."

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