数学开放题是７０年代在国际上引起人们重视的一种新题型，开放题是相对于传统的封闭题而言，其特征是题目的条件不充分，或者结论不确定，也正因为这样，开放题的解题策略也往往是多种多样的．数学开放题在过去的教学中曾经有过很多的例子，但是作为中小学数学教育的研究... The mathematics open question is a new type of question that has attracted people’s attention in the international community in the 1970s. The open question is relative to the traditional closed question. Its characteristic is that the condition of the topic is not sufficient, or the conclusion is uncertain, because of this, The problem-solving strategies for open-ended questions are often varied. There have been many examples of open problems in mathematics in the past teaching, but as a study of mathematics education in primary and secondary schools...