2. The software breaks the boundaries of the chapter, classified according to the knowledge entry, and establishes a relevant knowledge system to make the inherent connection between the knowledge points clear, and form the knowledge network from point to face.
3. The software has a typical example of the network knowledge. Typical examples explain the review of knowledge points and the analysis of problem solving ideas, so that the basic knowledge is systematized and flexible, and the problem -solving skills are clear.
it works
it works
it works