义教几何第二册教学一得怀宁县五横初中余荣武九年义务教育三年制初中教科书《几何》第二册在统编教材内容的基础上进行了删减、补充．变统编教材在概念、定理引人的单一化为多样化；变统编教材上的繁杂化为正式讲述的内容和阅读内容的系统化；变统编教材习题配备的混、杂... The second volume of the teaching of the geometry of the teaching of a success in Huaining County Wuheng Junior Middle School Yu Rongwu nine-year compulsory education three-year junior high school textbook “Geometry” Volume II on the basis of the textbook content is deleted, added. The unified textbooks are diversified in terms of the concept and theorem as singularities; the complexities in the textbooks for transformation are the formalization of the content and contents of the readings; the mixed textbooks for the mixed textbooks...