Ye Fan followed Wang Zhifeng to the door of the classroom of the fourth, fifth and sixth grade classes, Wang Zhifeng pushed the door directly and walked in, and then beckoned to the head teacher of the fourth, fifth and sixth grade classes, and said: "This is the new transfer student Ye Fan, the middle of the yellow order is complete, and there is a week to be a late Xiaocheng of the yellow order, and now he belongs to the sixth grade for the time being, you can arrange a seat for him!" After saying that, he left the classroom without looking back, in fact, there was no need for him to come, a student, even if he was a genius student, it was enough to have a fifth-grade teacher, if it weren't for his own handle in his hands, hum!

"Oh, Ye Fan, is it? My name is Shi Aoxuan, and I am your homeroom teacher, cultivation teacher, and English teacher. Since you are the seventy-first classmate, you are the seventy-one, and there should be no one behind you, so you should sit next to Guo Chaozhan. Shi Aoxuan pointed to the penultimate of the second group and said to Ye Fan.

To be honest, he really couldn't understand why the Dean of Academic Affairs sent Ye Fan here, didn't he only have a week to reach the late stage of the Yellow Order? The existence of this level has always been practiced by the Dharma Protector, and then used as a hole card in the five school competitions, and now it is taken out so early, isn't it exposed? Could it be that the school has so much confidence in this kid?

At the same time, the Grand Elder in the backyard of the school was standing respectfully behind a black man and said, "Dean, I have already given that thing to that little guy, I believe that with his understanding, he should be able to see what it is." ”

"Of course, and that is an invitation from the Wang family, and the Wang family has the support of that person, I believe it will be of great help to his future growth. The dean smiled weirdly, if he let the principal of the same five colleges see it, his eyes may fall to the ground, after all, the principal of Songshan Academy is notoriously serious, even if he meets the dean of the fifth academy, he doesn't care at all, and now he is actually smiling like a little fool, it is difficult not to wonder if he has lost his mind.

Back in the classroom, Ye Fan and the others were already starting that boring class. Well, this lesson is math.

"What is mathematics? Mathematics, as an expression of the human mind, reflects people's aggressive will, careful reasoning, and the pursuit of perfection. Its essential elements are: logic and intuition, analysis and construction, generality and individuality. While different traditions may emphasize different aspects, it is the interaction of these opposing forces, and the efforts they put together, that constitute the life, use, and noble value of mathematical science

There is no doubt that all mathematical developments are psychologically more or less based on reality. But once a theory emerges in the midst of practical needs, it inevitably gives it the impetus to develop itself and transcends the limitations of direct application. This trend from applied to theoretical science is not only common in ancient history, but also in the many contributions that engineers and physicists have made to modern mathematics.

Recorded mathematics originated in the East. Around the second millennium B.C.E., the Babylonians collected a wealth of material that today seems to fall within the realm of elementary algebra. As for mathematics as a science in the modern sense, it did not appear in Greece until the fifth to fourth centuries BC. Increasing contact between the East and Greece (beginning with the Persian Empire and culminating in Alexander's expeditions) allowed the Greeks to become acquainted with the achievements of the Babylonians in mathematics and the heavens, and mathematics was soon added to the philosophical discussion of the Greek city-states. Thus Greek thinkers came to realize that mathematics had great difficulties inherent in the concepts of continuity, motion, infinity, and in the problem of measuring any quantity in known units. In the face of this challenge, after some indomitable efforts, Eudox's theory of the geometric continuum was produced, which is the only achievement that can be compared with the modern irrational number theory more than 2,000 years later. This tendency to axiomatic deduction in mathematics originated in the time of Eudox and matured in Euclid's "original". Okay, that's all for today's lesson, let's get out of class. ”