The concept and operation of 1. set. This part of the investigation is mainly based on choice, with a score of 5 points. But this involves concepts.

It may involve other topics. Set is the foundation of modern mathematics.

2. Elementary basic functions, mainly including exponential function, logarithmic function and power function. At the same time, high school students are interested in quadratic functions.

Proficiency puts forward higher requirements.

3. Functions and equations. Learn to study the equation from the viewpoint of function, master the zero theorem, and find the approximate solution of the equation by dichotomy.

Compulsory 2 mainly includes solid geometry and algorithm.

Solid geometry is a compulsory knowledge point in the college entrance examination, and the score is not small. It's probably a fill-in-the-blank question or a multiple-choice question. There must be a big question.

Solid geometry can be divided into two pieces,

1. axiomatic system. Starting from several basic axioms, a series of theorems and conclusions are derived. There are three basic axioms.

See the textbook for details. This paper mainly studies the positional relationship between a straight line and a plane in space. Familiar with relevant definitions.

, property theorem and judgment theorem.

There is also a problem about solid geometry, which mainly involves the angle between straight lines in different planes, the angle between straight lines and planes, the angle between dihedral planes and so on. Traditional solution

The main idea of the calculation problem is to turn the space problem into a plane problem.

2. Space vector system. Nothing, just a calculation. This method only needs to be mastered by science students, but it will be very beneficial for arts students to master it.

The other part of compulsory two is algorithm. Generally speaking, it's nothing, and the college entrance examination questions are also low scores, as long as you can understand the program block diagram.

Just in case, we should focus on the algorithm cases in the book. After all, some problems in the book are not excessive.

You don't have to work hard on this part. If something goes wrong in the college entrance examination, it will be very strange and difficult.

All the above are personal experiences, and I hope it will help you.