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What's your lowest score in math?
53 points. I clearly remember that it was the second model test of the college entrance examination in Nantong City, Jiangsu Province in 2008. It was a relatively formal exam with lively and difficult topics. At that time, it seemed that the highest score in the school was 90, and my confidence was a little hit. Later, the college entrance examination 130 was not high, but it was ok. Come on, no problem!

Mathematics is a subject that studies concepts such as quantity, structure, change, space and information. Mathematics is a universal means for human beings to strictly describe and deduce the abstract structure and mode of things, and can be applied to any problem in the real world. All mathematical objects are artificially defined in essence. In this sense, mathematics belongs to formal science, not natural science.

Different mathematicians and philosophers have a series of views on the exact scope and definition of mathematics. Mathematics plays an irreplaceable role in the development of human history and social life, and it is also an indispensable basic tool for studying and studying modern science and technology. In ancient China, mathematics was called arithmetic, also called arithmetic, and finally it was changed to mathematics.

Arithmetic in ancient China was one of the six arts (called "number" in the six arts). Mathematics originated from the early production activities of human beings, and the ancient Babylonians had accumulated some mathematical knowledge, which could be applied to practical problems. Judging from mathematics itself, their mathematical knowledge is only obtained through observation and experience, and there is no comprehensive conclusion and proof.

But we should also fully affirm their contribution to mathematics. The knowledge and application of basic mathematics is an indispensable part of individual and group life. The refinement of its basic concepts can be found in ancient mathematical documents of ancient Egypt, Mesopotamia and ancient India. Since then, its development has continued to make small progress.

But algebra and geometry at that time were still in an independent state for a long time. Algebra can be said to be the most widely accepted "mathematics". It can be said that the first mathematics he came into contact with was algebra since everyone began to learn to count when he was a child. Mathematics is a subject that studies numbers, and algebra is also one of the most important parts of mathematics.

Geometry is the earliest branch of mathematics studied by people. Until the Renaissance in16th century, Descartes founded analytic geometry, which linked algebra and geometry which were completely separated at that time.

From then on, we can finally prove the theorem of geometry through calculation; At the same time, abstract algebraic equations and trigonometric functions can also be graphically represented. Then more subtle calculus was developed.