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教师在教学学生解决问题时,常常发现学生找不到解决问题的切入点,对问题有着“斗大的馒头无从下口”的苦恼.因此,如何找到解决问题的切入点?就成了解题的关键.笔者认为:每一个数学问题在形式、条件与结论中都有着一定的特征.通过观察问题形式、条件与结论,找出问题中所蕴含的特征,以问题特征为切入点,
Teachers in teaching students to solve problems, often find students can not find a starting point to solve the problem, the problem has “the big bread can not be justified.” Therefore, how to find a solution to the problem? The author holds that every mathematical problem has its own characteristics in form, condition and conclusion.Through observing the form, conditions and conclusions of the problem, the author finds out the characteristics contained in the problem, takes the problem characteristic as the starting point,