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新的《课程标准》要求注重培养学生用数学知识解决实际问题的能力,增强学生“用数学”的意识。因而在初中数学教学中,应用题的教学占有很大的比例。其中,作为应用题的基石——构造方程(组)模型来解决问题尤其重要,因此就必须加强对学生列方程(组)解应用题的能力的培养。同时对解其他应用类题目也起到正迁移作用。古人就会通过列方程(组)来解
The new “Curriculum Standards” require students to focus on developing their ability to solve practical problems with mathematical knowledge and to enhance students' awareness of “using mathematics.” Thus in junior high school mathematics teaching, the application of teaching a large proportion of teaching. Among them, it is especially important to solve the problem as the cornerstone of the application problem - constructing the equation (group) model. Therefore, it is necessary to strengthen the training of students' ability to formulate equations. At the same time solve the problem of other applications also play a positive role in migration. The ancients will be through the column equation (group) to solve