随着素质教育的不断深入和考试制度的改革完善 ,数学教学中更加注重培养学生的分析、思维、探究以及综合应用能力 .而开放性试题的出现就充分体现了“出活题、考能力”的指导思想和全面培养学生数学素质的改革方向 .由于开放性试题中开放的环节或对象不同 ,就出现了不同类型的? With the continuous deepening of quality education and the reform and improvement of the examination system, mathematics teaching pays more attention to cultivating students’ analytical, thinking, inquiry and comprehensive application abilities. The appearance of open test questions fully embodies the “out of a live-question, examination ability”. The guiding ideology and the direction of comprehensive training of students’ mathematics qualities. Due to the different links or objects in the open questions, there have been different types.