方案的设计问题在近几年的中考中出现的频率较高,而且出现的题目往往是与实际问题相结合,更加接近生活,解题的关键是理解题目的内涵。方案设计型问题是通过设置一个实际问题的情景,给出若干信息,提出解决问题的要求,运用数学知识设计适当的解决方案,以求得最好的实用效果或最大经济效益的试题形式。 The design problems of the programs appear frequently in the middle school entrance examinations in recent years, and the problems that often appear are often combined with the actual problems and closer to life. The key to solving the problems is to understand the connotation of the problems. Program design is the problem by setting a real problem scenario, given a number of information, put forward the requirements to solve the problem, the use of mathematical knowledge to design appropriate solutions to get the best practical results or the most economical form of questions.