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高中数学教学中数学思想的掌握很重要,常见的教学思想和内容如数形结合、函数、概率等.概率也是高考中常考的内容,也是我们应该在教学中重视的内容.在概率的运算中,正确判定事件类型是求解概率的基础,明确试验过程是求解概率的关键.本文通过实例分析几个常见的例题对分析总结一下对概率运算的问题.也希望在我们的数学教学中不断总结逐步完善,数学教学这方面的内容得以很大提高.例1某中学高一级美术学科开设书法、绘画、雕塑三门校本选修课,学生可选也可不选,学生是否选修哪门课互不影
The mastery of mathematics thought in high school mathematics teaching is very important, the common teaching thought and content such as the form combination, the function, the probability, etc .. Probability is also often exam content in the college entrance examination, also we should pay attention to in the teaching content.In the probability computation , Correctly determine the type of event is the basis for solving the probability of a clear test process is the key to solving the probability.This paper analyzes several common examples by example to summarize the problem of probability computing.Also hope that in our teaching of mathematics continue to step by step Improve, mathematics teaching in this area has been greatly improved.Example 1 a high school art discipline to open calligraphy, painting, sculpture three school-based electives, students may or may not choose whether the students elective each course each other