Mathematics Olympic Course for Senior High School is published by Zhejiang Education Press, 20 1 1, and the author is Zhang Jinliang. This series covers all the knowledge points required by the proposition of the national senior high school mathematics league, and is written in chapters synchronously with the content of senior high school textbooks. Each chapter has several lectures, and each lecture has four columns: knowledge induction, typical examples, method guidance: introduction and expansion, and consolidation exercises. The "typical case" highlights representativeness and novelty, and the solution is simple: it is quick, the analysis is in place, and it is convenient for teachers to coach and students to study by themselves; "Method guidance and expansion" plays the role of finishing touch. "Consolidation Exercise" has a moderate amount of questions, closely follows the requirements of the college entrance examination, carefully selects and compiles the college entrance examination, enrolls students independently and competes, and emphasizes the cultivation of innovation, comprehensiveness and practical ability.