"sin, tan, cos, odd and even unchanged, symbols look at the quadrant ......"

Lu Cheng looked at the math paper on the table, his face numb and dementia.

What is this?

Is high school math so hard?

Anyone who can do these problems can win the Nobel Prize in Mathematics!

"Brother Cheng, why did you make a multiple-choice question?" Jiang Qin asked in surprise.

Lu Cheng has always been the top student in his class, and he is in the top five in every exam.

You must know that Qinglong Middle School is the first key high school in the county, with a rate of more than 95%. It is no exaggeration to say that as long as you have an average score in the class, you can get 211, and if you score upstream, you can get 985.

As for students like Lu Cheng, who have been in the top five of the class for a long time, their goals are all among the top ten prestigious schools in the country.

And now, Jiang Qin actually saw for the first time that Lu Cheng handed over a white scroll.

Except for the multiple-choice BBCAD and CBCDA, the big question is not written a word.

No, he still wrote one word - solution!

"My head hurts, my head is going to crack!"

Lu Cheng covered his head, looking in pain.

Reborn High School, he remembers the stocks, housing prices, entrepreneurial outlets in his previous life, almost everything related to making money.

Only mathematics, forget everything!

Now let him do this kind of college entrance examination math problem, it is better to let him die.

"Damn, you shouldn't have crashed into the after-effects, right? IQ leaking? Jiang Qin was shocked, turned his head and stretched out his hand to Zhan Yuji, "Beauty, borrow a protective Shubao and give Brother Cheng a ...... defense."

"Defend against what?"

A round face appeared in front of Jiang Qin.

is cute and cute, and the appearance of hiding a knife in his smile is the head teacher Luo Feng.

"Hello Mr. Luo—"

Jiang Qin's face changed in a second, as if he had practiced the sword spectrum to ward off evil spirits, and even his voice became thinner, squeezing out the standard male duck voice.

If this is left in our Ming Dynasty, it will be a factory!

In the past, he always said that he had Sichuan blood, but Lu Cheng now believes it.

This face-changing speed is a natural skill!

"Lu Cheng, if you feel unwell, pay more attention to rest, and you won't need to study in the morning and evening in the future." Luo Feng said with a smile, and the fat on his face squeezed out a pleated flower.

"That's not good, right?" Lu Cheng frowned, somewhat embarrassed.

Luo Feng hurriedly said, "What's wrong?" Good health is really good! Your dad told me that everything is important about your body, and grades are secondary. ”

Regardless of Lu Cheng's collision, it was intentional or unintentional.

In short, she can't even be provoked now, this crazy boy.

Luo Feng has already figured it out, he can do whatever he likes, endure it by himself, endure it for three months, and he will be freed.

"Shhh Teacher, I want to take a leave of absence! Lu Cheng covered his head and entered the play in a second.

"What kind of leave? If you have a headache, go back to rest early, and be sure to pay more attention to your body. Luo Feng waved his hand and played on the spot.

"Damn, that's okay?"

Jiang Qin was envious.

In the next second, he also covered his head, pretending to be in pain, "Teacher, my head hurts so much, I want to ask for leave to go back to the dormitory!" ”

Boom!

A chestnut, slammed into his head.

This time, it hurts!

"What, there are hundreds of millions in your family? Can your dad send you to study abroad? I still have a headache, so I'll continue to learn if I don't die. If you can't get into college, you won't even be able to eat in the future, and sooner or later you will starve to death! ”

Luo Feng scolded, his fierce eyes swept over the students, and the entire classroom was suddenly silent.

"Teacher!"

Someone timidly raised their hand.

"Sisi, what's wrong with you? Is it because you are not feeling well? Luo Feng's face changed instantly, and he also had a natural skill.

"I have a stomachache, maybe it's coming...... That one! ”

Yu Sisi lowered her head, her pretty face slightly red.

"Go, go, go back and rest first!" Luo Feng waved his hand, very generous.

During class time, the huge Qinglong Middle School was quiet and silent, and it was empty outside, and there was no half of a figure in sight.

Lu Cheng walked out of the classroom, thinking in his heart about the stock that he had stud yesterday.

In 2008, there were three major demon stocks, namely Xinlong Holdings, Denghai Group, and Taishan Cement.

In 10 trading days, the share price of Silong Holdings rose from 6.5 yuan to 14.77 yuan, directly doubling.

Denghai Group's share price rose from 13.20 yuan to 30.87 yuan in 13 trading days, which also doubled.

The most exaggerated is Taishan Cement, with 9 daily limits in one breath, and the stock price has skyrocketed by 150%!

The wave of Xinlong Holdings has ended in February, and Taishan Cement will not start until June.

Lu Cheng naturally chose Denghai Group, starting with a stock price of 13 yuan, and all 1 million studs.

If nothing else, half a month later, Lu Cheng's 1 million will become 2 million.

"When the stock doubles, I will stud Taishan Cement, and then it will be 5 million!"

"When I earn enough 50 billion, I will be financially free and retire early. When the time comes, marry a hundred wives, give birth to a thousand sons, and make a ruthless contribution to the motherland! ”

Thinking of this, Lu Cheng felt inexplicably a pain in his back.

"Wait a minute!"

A soft voice came, and Lu Cheng turned around to look.

It's her!

It's still the loose sports jacket, a pair of shampoo-white jeans, and the canvas shoes on the feet are open to the glue.

Yu Sisi's dress seems to be out of touch with this era, and there is a sense of disobedience.

She hurried to catch up, and handed over a cloth bag with both hands, and put an enamel cup in it, which suddenly made Lu Cheng's memory return to ten years ago.

When I was in elementary school, every time the big sister in the neighborhood went to high school in the next town, she would bring this enamel cup filled with prune vegetables and pork.

It is said that it can be eaten for a week.

"Grandma stewed a chicken and wanted to take you to the hospital. As a result, when you get there, the doctor says you're gone. So ......"

Yu Sisi lowered her head and looked shy, like a newlywed daughter-in-law, looking left and right embarrassedly, for fear of being seen.

"Thank you!"

Lu Cheng took the enamel cup, and through the cloth bag, he could also feel the warmth.

In the countryside of 08, before the Chinese New Year, it is rare to stew a whole chicken, let alone a family like Yu Sisi, whose parents are divorced.

The only income in the family is made up by my grandmother bits and pieces.

"I ......"

Yu Sisi's thin lips moved, and she looked like she wanted to speak and stopped.

"Let's eat together!" Lu Cheng pointed to the experimental building opposite.

It's a place that's like a ghost building all year round.

In the three years of high school, except for occasionally finding a classroom for exams, Lu Cheng has not been in it a few times.

Because of this, the laboratory building has become a good place for many young couples to sneak around.

Last year, I also let the security guard arrest a pair, and at night, the flashlight shone directly on the key parts.

Not long after, the little couple both dropped out of school, and it is said that they transferred to a high school in another place, which is estimated to have left a psychological shadow.

"Hmm!"

Yu Sisi nodded, her pretty little face looked even better.