First, in view of junior students' thinking of way, according to the characteristics of mathematics open-ended problem solving, we designed a series of question prompts.

研究分以下几个步骤进行：首先，我们针对数学开放性问题解决的特点和初中学生的思维特点，设计了一系列相应的提示性问题。

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The arithmetic of hit probability model of ellipsoidal target single firing was researched, a series formulas was put forward, and the mathematics certification was deduced in detail.

研究了椭球目标单发命中概率的计算方法，得到了类似于椭圆目标的一系列计算公式，并详细给出了数学证明的推导过程。

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In the paper, models for fuzzy reliability digital simulation of mechanical series system and parallel system based on the operators of intersection and parallel set in fuzzy mathematics are given.

论文基于模糊集合的交集与并集算子，给出了机械串联系统与并联系统的模糊可靠性数字仿真模型；

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