论文部分内容阅读
列方程解应用题是初中数学常见问题之一,也是中考必考题型之一,历来都受到师生的高度关注(关注什么?关注各类题型是如何列方程求解的)。列方程解应用题一般要经过审、设、列、解、验、答等几个步骤。长期以来,由于应用问题设计的原因(命题者的意图往往是要求学生掌握各类问题的一般解题规律),师生不大注意设的环节,往往“问什么,设什么”,这样设以后,通常都很顺利地列出所需的代数
The problem of solving equations in equations is one of the common problems in junior high school mathematics. It is also one of the questions that must be considered in the examinations. It has always been highly concerned by teachers and students (what are you concerned about? How do you look at the equations for various types of questions?). The application of equations for column equations generally involves several steps such as reviewing, setting up, listing, solving, checking, and answering. For a long time, due to the application of design problems (the proposition’s intention is often to require students to grasp the general problem-solving laws of various types of problems), teachers and students pay little attention to the design of the link, often “what to ask, what is set”, after such a design , it is usually very smooth to list the required algebra