变换解题思路,就是对同一问题中一种解题思路的路径进行变换,然后探讨,最后得出不同的解法。在数学教学中,学生对一道题得出基本解法后,在教师的启发下变换解题思路,使课堂成为学生合作、争辩、探究和交流的场所,极大地提高了学生的学习兴趣,培养了学生的解题能力。题目:(2015年中考数学铜仁市第21题)已知, Transform the problem-solving ideas, that is, the same problem in a way to solve the problem of thinking transform, and then explore, and finally come to different solutions. In mathematics teaching, after students get a basic solution to a question, they can change their thinking under the inspiration of teachers so as to make the classroom a place where students can cooperate, debate, explore and exchange, which greatly enhances students’ interest in learning and cultivates Students problem solving skills. Subject: (2015 CEE Tongren City Question 21) Known,