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指导思想围绕求平均数应用题的基本数量关系运用发散法组织练习,实现积极迁移,构建认知结构。从而引导学生把握构题特征。课前操作用简便方法均分苹
Guiding ideology around the average number of application questions of the basic relationship between the number of exercises using divergent method to practice, to achieve positive migration, the construction of cognitive structure. Which will guide students to grasp the characteristics of the structure. Pre-class operation with a simple method equally divided