填空题是高考数学试题中的传统题型,它只要求写出正确的结果,不要求写出解答过程,为考生提供了自由想象与施展才华的空间。在解题过程中,只有重视方法的选择,才能优化解题途径,达到快速、准确、巧妙解题的目的。一、直接法直接法是指从题设条件出发,抓住命题的特征,利用定义、性质、定理、公式等知识,经过推 Fill in the blank question is the college entrance examination math questions in the traditional type, it only requires the correct result is written, does not require the process of answering questions, providing candidates with the freedom to imagine and display their talent space. In the problem-solving process, only the choice of methods, to optimize the way to solve problems, to achieve rapid, accurate and clever solution to the problem. First, the direct method is the direct method from the title set conditions, seize the proposition of the characteristics of the use of definitions, nature, theorems, formulas and other knowledge, through the push