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ru he li jie han shu de zhi yu
Author(s): 
Pages: 40-41
Year: Issue:  6
Journal: ZHONGXUE SHUXUE ZAZHI(GAOZHONG BAN)

Abstract:  学生对有关值域的题目,特别是已知值域,反求函数中的参数的题目往往理解不深,特别是与不等式恒成立混为一谈,现在通过几个具体的题目帮助同学们理解这个问题.
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