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The Method of Skill and Approach of Evaluating Domain of a Function
Author(s): 
Journal: ACADEMIC FORUM OF NAN DU(NATURAL SCIENCES EDITION), Year , Issue 3 , Page 115-117
Keyword:  函数定义域集合配方法换元法;
Abstract: 求函数值域问题是数学教学中难点问题之一,探讨归纳了几种解决这类问题的方法.
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