Junior high school math high score through train is good. Passing the 100 college entrance examination, the through train for senior high school math class is a good choice. This book is easy to understand and use when explaining the knowledge points and problem-solving methods of the senior high school entrance examination. At the same time, in the selection of exercises and examples, the difficulty and quality are also very strict, while the knowledge points of senior middle school mathematics placement are scattered and difficult to understand, so the through train of senior middle school mathematics placement is good.