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具有选拔功能的中考压轴题是为考察同学们综合运用知识的能力而设计的题目,其特点是知识点多,覆盖面广,条件隐蔽,关系复杂,思路难觅,解法灵活.从2007年的中考数学压轴题中,我们可以看到在考察同学们基本运算能力、思维能力的同时,也考查了灵活运用数学知识分析和解决问题的能力,及对数学思想方法的理解和掌握.解数学压轴题,一要树立必胜的信心,二要具备扎实的基础知识和熟练的基本技能,三要掌握常用的解题策略.现介绍几道有代表性的中考压轴题,供同学们参考.
The title of the final exam with the selection function is a topic designed to examine the students’ ability to use knowledge comprehensively. It is characterized by multiple points of knowledge, wide coverage, hidden conditions, complex relationships, hard-to-find ideas, and flexible solutions. In the mathematics stress problem, we can see that while examining the students’ basic computing and thinking skills, they also examined the ability to use mathematical knowledge to analyze and solve problems, and to understand and master mathematical thinking methods. First, we must establish the confidence of winning, and second, we must have solid basic knowledge and skilled basic skills. Third, we must master the commonly used problem-solving strategies. We now introduce several representative Chinese final exam topics for students’ reference.