什么叫开放题呢？著名的教育专家蒋宗尧先生曾经在《创新教学引论》一书中下了这样的定义 :“条件不充分或结论不确定的非常规题叫开放题。”数学开放题具有内容的探索性、形式的灵活性、解题策略的发散性创新性和答案的不惟一性等特点。设计开放题时 ,一般根据问题的条件、结 What is the open title? Mr. Jiang Zongyao, a well-known education expert, once defined such an interpretation in the “Introduction to Innovative Teaching” as follows: “The unconventional or inconclusive unconstrained title is an open question.” The open question of mathematics has the content of exploratory form The flexibility of problem-solving strategies, the innovativeness of divergent strategies and the non-uniqueness of answers. The design of open questions, generally based on the conditions of the problem, knot