一、问题由来在课堂教学活动中,解题教学占有相当大的比重.但是,当下仍有部分教师对开展解题教学的目的不明确.诚然,解题教学除了可以促成学生掌握并运用数学知识,并加强其逻辑思考外,更深层次的目的应该是引导学生辩证地思考问题.所谓辩证地思考,就是用运动的和寻求联系的观点或方法来思考,用“辩证法”来揭示事物的本质.这种思考问题的方式,能使学生的学习或问题的研究更深入,能帮助学生更 First, the problem Origin in the classroom teaching activities, problem-solving teaching occupy a large proportion, however, there are still some teachers to solve the problem of teaching is not clear.It is true that problem-solving teaching in addition to enabling students to master and use of mathematical knowledge , And strengthen their logical thinking, the deeper aim should be to guide students to think dialectically about the problem.The so-called dialectical thinking is to use sports and seek contact point of view or method of thinking, with “dialectics ” to reveal things The nature of this way of thinking questions, students can make learning or problem more in-depth, can help students more