解复合应用题的关键就是要分析数量关系,把隐蔽条件转化为直接条件,最后使问题获得解决.要想使学生能正确而简捷地确定应用题的数量关系,必须对学生加强这方面的思维训练.下面谈谈几种有效的训练方法.一、选择线段图,并列出算式.指导学生结合线段图,观察与分析下列文字题中的数量关系,在线段图前的括号内填上对应题号,并列出对应算式: The key to solve the compound application is to analyze the relationship between the number of the hidden conditions into direct conditions, and finally to solve the problem in order to enable students to correctly and easily determine the quantitative relationship between the number of questions, students must strengthen this thinking Training. Here are some effective training methods. First, select the line graph, and lists the formula. Guide students combined with the line segment diagram, observe and analyze the relationship between the number of the following questions, fill in the brackets before the line segment corresponding Title, and lists the corresponding formula: