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教材,具有完备的知识体系,又具有权威性,是教师进行数学教学的主要依据,也是学生学习数学基础知识的重要依据.而课本例题、习题更是经过编者反复论证精心设计的,既是如何运用知识解题的经典,也是思维训练的典范.还蕴含着基本的解题思想和方法,具有很高的教学价值.所以例题、习题的教学是整个教学活动的重要部分,在教学过程中有画龙点睛的作用.处理好例题、习题是落实知识到位的关键一步,也只有吃透课本上的例题、习题,才能有利于全面、系统地掌握数
Textbook, with a complete knowledge system, but also authoritative, is the main basis for teachers in mathematics teaching, but also an important basis for students to learn the basic knowledge of mathematics.Case examples, exercises are edited by the editor repeated elaborate design, both how to use The classical problem-solving of knowledge is also a model of thinking training, which also contains the basic ideas and methods of solving problems and has a high teaching value. Therefore, the teaching of exercises is an important part of the whole teaching activities. To deal with a good example, exercise is a key step in the implementation of knowledge, and only through the textbook examples, exercises, can be conducive to a comprehensive and systematic grasp of the number