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Some people say that the connection between mathematics in junior high school and mathematics in high school is very small and disconnected, but in fact the relationship between the two is progressive.

The reason why it is said that the coherence is small and the disconnection is strict is only because mathematics, in junior high school, still belongs to a relatively vivid and popular perceptual cognition, the knowledge capacity is not very large, and it is not very difficult to learn.

But in high school, mathematics has advanced by leaps and bounds, and even the concept description has become abstract and obscure, and every knowledge point makes people feel far away from real life, which can be described as mysterious and mysterious, and the difficulty has increased by a relatively large leap.

It is not easy for students who are not strong in logical thinking to even understand the meaning expressed in mathematical language, let alone get started.

Lu Xi had forgotten how he had studied high school math in his previous life, and the relevant memories were naturally empty. Zero foundation is zero foundation, everyone is standing on the same starting line, she has a lot of self-confidence in learning high school math well, although some people say that there is a world of difference in difficulty between junior high school math and high school math.

At present, Lu Xi, who has just learned a little elementary mathematics, has not mastered any very clever methods for learning mathematics. In the matter of self-taught high school mathematics, she relied on a useful brain, like a bulldozer, to push it flat, and tear it down one book after another.

There are a total of 5 compulsory textbooks, some of which are a little faster and some are a little slower, but because there are no incomprehensible points in the process, there is actually not much difference.

Fast, I finished reading it in half a day, and slow, that is, most of the day's work.

Of course, it is definitely difficult to read a book in half a day, with the amount of knowledge and information in each textbook, and it must be difficult to rely on rote memorization without the ability to memorize, and even if you can do it, the learning effect will definitely not be very good.

Lu Xi didn't particularly memorize every concept, every theorem, and every formula in the book, she just used her brain and concentrated on thinking very seriously. Think about every concept, every theorem, every formula.

When thinking about it, whether God was laughing or not, Lu Xi didn't know.

She thinks that everyone has shallow and naïve times, as long as they can continue to learn and improve themselves, it is a victory.

She follows the instinct of thinking, and when she reads the book, she constantly discovers problems, asks questions, solves problems, and finally tries to describe the concepts and definitions in the book in her own words.

So after reading a book, although she said that she didn't deliberately memorize, the effect of learning was infinitely strengthened because of very deep thinking, and the effect was better than simple memory-based understanding, I don't know how many times.

Of course, Lu Xi didn't know that mathematics itself was a discipline of thinking.

However, she still felt the beauty of the fierce collision between points, lines, planes, geometric figures, and numbers under the mobilization of mental power.

It is the beauty of mathematics that can only be understood, but not spoken. The beauty of mathematics can only be experienced by experiencing it in person.

It's just that I don't know if someone sees Lu Xi like this, holding a textbook and gnawing hard, and gnawing it within a day, will laugh at her for swallowing dates.

"Lucy, how are you doing?"

Ever since he saw Lu Xi's terrifying non-human problem-solving speed, Guan Xiangrui had noticed Lu Xi, and his impression of Lu Xi's lack of science had changed dramatically. And after Lu Xi's self-taught high school math was exposed by Wan Changtian with his 24K krypton gold dog eyes, he has been paying attention to Lu Xi's self-learning progress.

As long as Lu Xi is online, he will come to such a sentence.

Naturally, what Guan Xiangrui is concerned about is also what the three (zero) classes in the past are concerned about.

Because they saw that Lu Xi began to preview high school mathematics, some people with a strong sense of competition secretly worked hard and quietly started their own high school course preview, planning to have a silent preview competition. Let's see what kind of position my level can be ranked among my classmates in the past after a summer vacation.

"I've finished reading the compulsory courses, and I'm about to start working on the workbook you said."

The 5 books of high school mathematics are compulsory, Lu Xi didn't go out of his way to catch up with the progress when he read it, but went with the flow to see where it was, and then read it unconsciously, and looked back, oh, it took more than 3 days.

Lu Xi also thinks that this reading speed should be quite fast, but to say how fast it is, she thinks it is impossible.

Just today, the "5-year college entrance examination 3-year simulation" college entrance examination science and mathematics bought online, dedicated to Southeast Province, and the latest B version of mathematics was mailed to.

Because it is in the countryside, few courier companies set up sending and receiving points here, so it is sent by guò post, which is a lot slower.

Now that the exercise book has arrived, Lu Xi decided not to read the 21 elective textbooks first, and wait until he makes this exercise book to see what kind of self-study effect he has achieved.

"5 Years College Entrance Examination 3 Years Simulation" is a very thick purple book, and many students affectionately nickname it "Zixia Cheats".

The Huashan Sect's No. 1 Divine Skill Zixia Gong Mental Method is not the top internal strength treasure book of the "Yijin Sutra", even if you learn the martial arts alliance leader (champion), it is impossible, but if you can completely conquer it, it is still possible to be an ordinary sect master.

This is the buyer's evaluation that Lu Xi saw when ordering online, which is not much different from Guan Xiangrui's recommendation, and it should be a good exercise book.

It can be said that at this moment, Lu Xi is preparing to enter the brushing mode.

"5 Years College Entrance Examination 3 Years Simulation" is full of previous college entrance examination questions and mock questions, she is equivalent to learning high school mathematics for almost 4 days and hurriedly started the informal college entrance examination.

This made her a little excited, a little excited, a little nervous, after all, she was just a very ordinary mortal in her previous life, so much so that she felt that she was about to come to "The Legend of Mortal Immortal Cultivation".

Therefore, the 5 volumes of compulsory knowledge, the software is complete, and the head, CPU, memory, graphics card, and other hardware, she is also 100% ready for overclocking.

But she didn't expect that her casual words caused a panic in the group.

"What, that's it?"

Chen Ting, who had just seen this scene online, couldn't help but say, with a surprised expression.

"No, it's only been a long time, 3 days or 4 days, and you've seen Compulsory 5 from Compulsory 1, and you've even finished Compulsory 5?"

Wan Changtian said that he was stunned, and after Wan Changtian, a series of frightened, crazy, and tearful expressions filled the chat box in an instant.

"Lucy, how can you be so fast, I haven't finished Angry Mom yet?"

In the middle of a series of expressions, Guo Qian, a Korean drama fan who is watching Korean dramas and planning to maximize her summer vacation life to watch Korean dramas, interjected weakly.

"You're not going to live stream your brushing process?"

After Guo Qian interjected, the scrolling bar of the chat bar stopped, and everyone was still in a state of shock. It was only after a long time that Guan Xiangrui raised a new question.

"What's there to live stream by brushing questions?"

Isn't brushing questions just writing and drawing on the exercise book with stationery, and isn't it singing, dancing and playing games? Lu Xi was puzzled.

"Okay, remember to report it after brushing it, and hit us again."

At the end of the group chat, Shen Feixia, who happened to go home and turn on her mobile phone, rushed to a night shift.

So this time it was Lu Xi's turn to sweat at the waterfall, twenty or thirty people chatted together, how to chat and chat, he became the target of Qianfu.

If I had known this would happen, I wouldn't have told the truth.

Didn't Aristotle say that I love the truth, and I love harmony even more.

When everyone is harmonious, the world will be beautiful and the weather can be chatted.

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