当遇到一道题目的解答是用非常规方法来解的,从培养学生方法的多样性与优选性角度上讲,应引导学生思考、尝试用常规方法来解,并比较它们的优、缺点,这是训练学生思维灵活性与批判性的切入点;同时还应结合问题的核心来引导学生去寻求其他方法来解,并通过比较获得简洁方法,这对培养学生活用知识、思维的独创性与简洁性是大有裨益的. When faced with a problem of the solution is to use unconventional methods to solve, from the perspective of cultivating students diversity and preference, students should be guided to try to use conventional methods to solve, and to compare their strengths and weaknesses, This is to train students to think of flexibility and critical point of entry; at the same time should also be combined with the core of the question to guide students to find other ways to solve, and obtained by comparing the concise method, which students develop knowledge, thinking of originality and Simplicity is of great benefit.