解应用题,是代数教学中的重点和难点。首先要正硧地理解题目中有关的名词、数学术语和某些语句的意思,弄清哪些是已知条件,哪些是未知条件。这就是通常所说的审题。初学者由于不重视审题或者没有仔细地审题,因此往往审错题意或曲解了题意,从而列出错误的方程。事实上,没有细致的审题,就不可能进行正确的分析,所以 Solving the application problem is the key and difficult algebra teaching. First of all, we should understand the meaning of the subject nouns, mathematical terms and some of the statements, to find out what is the known condition and what is the unknown condition. This is what is commonly referred to as essay. Beginners because they do not attach importance to the problem-solving or not carefully examining questions, so often mistakes or misinterpretation of the problem, thus setting out the wrong equation. In fact, it is impossible to carry out the correct analysis without careful examination of the topics