"Establish a planar Cartesian coordinate system, and let the arch bridge parabolic equation X equal to the power of -2py(p>0). Substituting B(4.-5) into P=1.6. "

The quadratic of X is equal to -3.2y and the sides of the boat cannot pass when in contact with the parabola."

"Then A(

2,ya), by 2..." "So h=丨ya丨+0.75=2 meters..." "

Answer: When the water rises to 2 meters from the parabolic vault, the boat begins to be impassable."

Clapping the chalk ash on his hands, An Li met the adoring eyes of the students below, and walked down from the classroom podium with a calm face.

An Que gave a perfect answer again!

"Yes, An Li's answer and analysis process are very perfect, and you can learn from An Li. This question seems to be difficult, but in fact, it will be very simple to make, everyone only needs to pay attention to the correct application of the relationship between the point and the curve and use it to establish a parabola..."

Zhang Shuhan was full of smile on the stage, and he saw that An Li was more and more satisfied.

Today is the second day that An Que started class.

Since yesterday, Zhang Shuhan has intentionally or unintentionally liked to ask An Li questions in class, but this time he paid attention and basically asked high school knowledge points, such as some classic question types of the college entrance examination, and also some key problems in the college entrance examination over the years.

As a surprise, An Li did not disappoint him.

Students who are so slippery in advanced mathematics, there is naturally no problem in high school mathematics, and the combination of some knowledge points makes people unable to find fault, making Zhang Shuhan more and more sure that An Li can be admitted to Tsinghua's idea.

But Zhang Shuhan would never have thought that two days ago, An Li faced these problems, and it was estimated that most of them would be blind.

However, with Xueba skills, the situation is completely different.

"In case of indecision, the system solves!"

Returning to his seat, An Li was full of emotion: "Xueba skills are Xueba skills, it is simply a system implanted in the brain to answer and analyze a set of questions!" This

is how An Li feels at this time.

Xueba skills, not similar to hacker skills in the mind out of thin air countless experience and knowledge points, more like a small genius learning machine in the head, where will not point where, as long as you see the question, the standard answer to the question will automatically appear in your mind, as well as completely detailed closing ideas.

It's a wonderful feeling.

You say he knows everything, but in fact he doesn't really know the theory before he encounters the problem. You say that he doesn't know anything, and he can tell you one, two, three, or four on any question, just like a walking clicker, and the questions answered will always be in An Li's mind.

Learn skills, the focus is on learning.

An Li can't directly win any Nobel Prize in Mathematical Physics with his top skills, but his learning will be simpler, and even by relying on brushing questions, he can continue to expand his knowledge.

The skills of the top students mean that the college entrance examination will not be difficult for An Li.

"Awesome, Boss An!"

"Study God!"

"Super Xuesheng!"

Along

the way, countless students gave An Li a thumbs up.

In their opinion, An Li is the kind of god who can't look up, and the things in An Li's dormitory have quietly spread in the school before, and when everyone is sprinting for the college entrance examination, some people have begun to learn university knowledge in advance.

Such news is not a shock for high school seniors.

In particular, along with An Que's performance in the classroom, the students were full of admiration for An Que.

If you have any difficult questions, you don't even need to ask the teacher, just ask An Li, who can easily give an answer that you can understand and explain.

He has become a scholar who surpasses the study of God!

"Buzz ——!"

Just sat down, the mobile phone suddenly vibrate, An Li opened it, it was a QQ message, it seemed to be a string of ordinary garbled characters, but An Li looked at it for a while, but couldn't help but smile.

This message is encrypted using QQ as a springboard to connect to an extremely secure and private chat group.

This chat group is called -

Vulnerability Hunter Background Group!

After all, An Li is still a senior in high school, there is not so much free time, many times it is impossible to keep staring at the computer, so he deliberately set up this port, and because of the encryption code used, even ordinary people can't understand what is said in it at all.

Doing so will let him know some news in the first place.

At this time, the group was already jubilant, and everyone was celebrating the registration of the vulnerability hunter company, which broke through the 210 mark.

It seems that compared to the first three days of Quercus, it directly reached two hundred, and now it seems very slow to add only ten companies in almost half a month, but in fact, this speed is amazing enough.

After all, the first two hundred companies were basically all forced by the federal government to join.

The slow growth behind is inseparable from the efforts of everyone.

Although the name of the vulnerability hunter platform has become known to many large enterprises because of the federal government's super BUG incident, in fact, many companies and enterprises have maintained a wait-and-see attitude towards this platform, after all, the relationship between hackers and enterprises has a long history.

Large enterprises, especially those that need the help of this platform, have been hijacked by hackers to a greater or lesser extent. And now one day, this group of hackers threatened to help them fix the vulnerability?

Who dares to believe it?

Who can guarantee that when those hackers really find bugs, they will not use these bugs to blackmail themselves again?

Therefore, although many companies are hot, they are still in a wait-and-see state.

Fortunately, with the past half month, more and more corporate bugs have been fixed, and more and more companies have begun to list various rewards, and in the eyes of many people, this platform with little trust has gradually been recognized.

This is a good sign.

An Li is confident that one day, this platform will become the best place for all hackers to compete and exercise benignly, and will also become the most reliable platform between hackers and enterprises.

And more importantly...

Here, An Que can get a lot of people's information!

Looking at the background port information in the vulnerability hunter platform with his mobile phone, the registration information of a hacker appeared in front of An Li's eyes, and seeing this registration information, An Li only felt that his eyes lit up.

ID: Three and a half boxes a day!

"That's you!"

With An Li's operation, a detailed information appeared, including name, ID number, email and even phone number.

Name: Hou Ze.

Age: 25

Network ID: Three and a half boxes a day

Career: XX Coal Mine Engineer!

Seeing these information that matched one by one, An Li's eyes lit up.

That's you!

Someone who gave me the opportunity to double my assets in mid-May!

Private server games, super gods!

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