1背景介绍2014年9月27日,笔者有幸代表学校参加了镇江市高中数学教师说题竞赛活动,荣获一等奖。下面笔者有必要对说题做一些介绍。(1)说题的含义。把审题、分析、解答和回顾的思维过程按一定规律、一定顺序说出来,要求说题者暴露解题的思维过程,注重题目求解的前奏和后续。(2)说题的程度。①题目条件是什么?结论是什么?等价条件是 1 Background introduction September 27, 2014, I was fortunate enough to represent the school attended the Zhenjiang City high school mathematics teacher topic contest, won the first prize. The following author is necessary to do some introduction to the topic. (1) the meaning of the topic. The thought process of examining, analyzing, answering and reviewing is stated in a certain order and in a certain order. The subject is required to expose the thinking process of problem solving and the prelude and follow-up of problem solving. (2) the extent of the topic. ① What are the conditions of the title? What is the conclusion? The equivalent condition is