课本例题、习题的编排是教材编写者匠心独具的表现。在数学教学中,教师除了对教材知识进行系统的、逻辑化的讲授之外,还要安排学生完成教材设置的一系列针对性极强的数学习题,进行数学的“模拟实践”(即解数学习题),通过这样的活动来达到对数学知识的完全掌握。课本习题变式是高考命题教师组织试题的 The examples of textbooks and the arrangement of exercises are the ingenious performances of textbook writers. In mathematics teaching, in addition to the systematic and logical teaching of teaching materials, teachers must also arrange for students to complete a series of highly-targeted mathematics exercises and carry out mathematical simulation exercises. Solve mathematics problems, through such activities to achieve complete mastery of mathematics knowledge. The textbook exercise variant is the college entrance examination question teacher organization test questions