数学选择题的解答有着特定的解题思路、方法、技巧,但不管运用何种方法,解题都要建立在理解、掌握相关数学概念及计算能力等双基知识的基础之上.根据这一特点,凡在选择题中经常出现的概念,包括定理、性质、公式等内容,都应梳理出来,在平时作为理解、记忆、运用的重点,同时要善于从题目的已知条件中寻找解题途径,在题目 The solution to a mathematical choice has a specific way of solving problems, methods and techniques, but no matter what method is used, the solution to the problem must be based on the dual knowledge of understanding and mastery of related mathematical concepts and computing power. Characteristics, where often appear in the multiple choice concept, including the theorem, nature, formula and other content, should be sorted out, in peacetime as the key to understanding, memory, use, at the same time be good at solving the problem from the known conditions Way, in the title