填空题在高考试卷中,不仅具有题目数量多,占分比例高的特点,而且还具有知识覆盖面宽,能力立意高,思维容量大,小巧灵活,解法多样等特点.如何使考生准确、快捷地解好填空题,是高三数学复习中必须精确指导和强化训练的一个重要内容.本文介绍直接法、等价转换法、特殊值法、数形结合法、极限法来解析巧解填空题的五种常用方法,供复习时参考. Fill in the test papers in the entrance, not only has a large number of topics, accounting for the high proportion of features, but also has a wide range of knowledge, high capacity conception, thinking capacity, small and flexible, diverse solutions, etc. How to make the candidates accurately and quickly Solving the problem of blank filling is an important content that must be precisely guided and intensive training in the third year of high school mathematics review.This paper introduces the direct method, equivalence conversion method, special value method, combination of number and form method, limit method Commonly used methods for reference when reviewing.