解答高中数学选择题时不要求写出计算或推理过程,只要答案,虽然解答此类题目的方法主要是直接法,但是,为了提高效率避免小题大做,解题的基本策略应该是:充分地利用题干和题肢两方面的条件所提供的信息作出判断,先定性后定量,先特殊后推理,先间接后直接,先排除后求解,即解答选择题时要先考虑巧法.介绍了特例法、构造法和排除法三个巧法. Solving high school mathematics multiple choice questions does not require writing a calculation or reasoning process, as long as the answer, although the answer to such topics is mainly direct method, but in order to improve efficiency to avoid small problems, the basic strategy for solving problems should be: Dry and the conditions of the two aspects of the limbs to provide information to make judgments, the first quantitative qualitative, after the first special reasoning, first indirectly and directly after the first rule out the solution, that is, to answer multiple-choice questions should be considered when the first method. , Construction method and elimination method three skillful method.