解答高中数学选择题常用方法有五种:直接法、筛选法、特例法、代入法、图解法.由于选择题不同,解法也不同,即使是同一个题目,也往往可以用多种方法思考.因此,应该多观察、善分析,运用恰当的方法,正确、迅速地做出判断.1.直接法直接从题设的条件出发,通过运算和推理,从而得出题 There are five common methods for answering high school mathematics multiple-choice questions: direct method, screening method, special case method, substitution method, and graphic method. Since different choice questions are different, the solution is also different. Even the same question can often be considered in many ways. Therefore, we should observe and analyze well, and use appropriate methods to make judgments correctly and promptly. 1. The direct method proceeds directly from the conditions of the title, through calculations and reasoning, thus yielding questions.