过去,在应用题教学中,有一个大弊病,就是教师因题设例,学生以例套题,讲什么类型,练什么类型,很少变化,以致养成了学生不仔细审题,不动脑筋的坏习惯。我采用“一题多变”教法,促使学生认真读题,仔细分辨,积极思维,培养了学生的审题能力和习惯。一题多变,可以使学生获得巩固的知识和培养 In the past, there was a big flaw in the teaching of applied problems. Teachers should set the example because of the teachers' questions, what types of exercises and the types of exercises, with few changes so that the students did not carefully review the questions and did not use their brains Bad habits. I use “a question changeable” teaching method, prompting students to read the questions seriously, carefully distinguish, positive thinking, cultivate students' ability and habit of examining questions. A variety of questions, can make students gain consolidated knowledge and training