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近年来 ,各地中考数学试卷中开放性试题所占的比例逐年增大 .不少地区中考数学压轴题都是由开放性试题当家的 .尽管中考开放性试题几乎年年都有新面孔 ,但仔细析来 ,不外乎有以下几种常见题型 :1 .自编问题型 ; 2 .阅读理解型 ;3 .决策运筹型 ;4 .数学建模型 ;5.方案设计型
In recent years, the proportion of open examination questions in the mathematics examination papers in various localities has been increasing year by year. Many regional mathematics exam topics in the middle school entrance exam are dominated by open test questions. Although the open examination questions in the entrance examination have new faces almost every year, they are analyzed carefully. To come, there are nothing more than the following common types of questions: 1. Self-problem type; 2. Reading comprehension type; 3. Decision-making operational type; 4. Mathematical modeling; 5. Program design