Not bad. The king of solving problems: senior high school mathematics (generally used in Grade One, Grade Two and Grade Three) * * 27, the main contents include: the concept of set and function, basic elementary function, application of function, space geometry, positional relationship of points, lines and surfaces, equation of straight line and circle, preliminary algorithm, statistics, probability, trigonometric function, plane vector, trigonometric identity transformation, etc.

Library catalogue

The first 1 talk about the concepts of sets and functions.

General analysis of methods and skills

First, the basic problems in the set

1, the meaning and representation of the set.

2. The basic relationship between sets.

3. Basic operations of sets.

Second, the concepts in the set are confused.

1, φ, {φ), 0, {0}.

2. venn diagram and geometry.

3. Point set and number set.

4. Reciprocity of enumeration and description.