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课题:列方程解含有两个未知数的应用题,人教版九年义务教育六年制第九册128页例6。一、对教材的分析列方程解应用题是在第七册学习列出含有未知数的等式解一步计算应用题的基础上进行教学的。共分四个层次,首先教学比较容易的两步计算的应用题,其次教学两、三步计算的应用题,本课内容是第三个层次,第四是用方程和算术方法解应用题的比较。列方程解含有
Question: Column equation solution contains two unknowns of the application title, PEP nine years of compulsory education ninth year of the ninth album 128 page 6 cases. First, the analysis of teaching materials Solutions to the problem of column equations is in the seventh book to learn the equation contains unknowns step by step calculation of application problems based on teaching. Divided into four levels, the first teaching easier application of two-step calculation, followed by teaching two, three-step calculation of application questions, the content of this course is the third level, the fourth is the use of equations and arithmetic methods to solve the problem Compare Column equation solution contains