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课程改革以来,从小学至中学,找规律型的问题一直伴随着中小学生的数学学习,学生经常会提出以下问题:(1)所有的问题都有规律吗?(2)所有的找规律型的问题一定有通项公式吗?(3)所有的找规律型的问题答案唯一吗?上述三个问题的回答都是否定的.世间万物,也包括数学上的一些现象,有一定的规律性可循,但没有规律是绝对的,有
Since the reform of the curriculum, from primary to secondary school, to find a regular problem has been accompanied by primary and secondary mathematics learning, students often ask the following questions: (1) all the problems are regular? (2) Is there any general formula for the question? (3) Is there any answer to the question of finding a regular type? The answers to the three questions above are all negative. All things in the world, including some mathematical phenomena, have certain regularities Follow, but no law is absolute, there