| 一类函数值域问题探讨 |
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| 引用本文： | 杨春权.一类函数值域问题探讨[J].重庆三峡学院学报,2001(Z1). |
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| 作者姓名： | 杨春权 |
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| 作者单位： | 重庆市万州二中 重庆万州404000 |
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| 摘 要： | 函数的值域问题是中学的教学重点,学生学习的难点。其方法多,应用广泛,学生极难掌握。教师应注意启发学生思维,总结各种类型的函数值域求法,以帮助学生在复习中更准确、熟练地掌握。
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| 关 键 词： | 函数 值域 探讨 |
Probe into the Value Region of one Function |
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| YANG Cun-quan.Probe into the Value Region of one Function[J].JOurnal of Chongqing Three Gorges University,2001(Z1). |
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| Authors: | YANG Cun-quan |
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| Abstract: | The issue of value region of function is one key teaching point and one difficulty point for learning in middle school. Owing to many methods to solve it and wide application, it is hard for the students to grasp. The teacher should pay more attention to illumining the students to think about it, and summarize different methods to solve different kinds of function value region so as to help the students to grasp it correctly in their review study. |
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| Keywords: | function value region probe |
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