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抽象函数是考试中经常考查的问题 考生面对此问题会本能地产生恐惧 其实抽象函数面纱并不神秘 ,只需多留心观察平时学过的函数 ,借助这些基本函数 ,抓住其特征结构 ,打开思维的闸门 ,问题是能够解决的 本文试从特征结构入手 ,探讨某些抽象函数的解题策略 1 ｆ(ｘ+ｙ) =ｆ(
Abstract function is a problem that is often examined in examinations. Candidates are instinctively fearful of this problem. In fact, the veil of an abstract function is not mysterious. You need to pay more attention to the functions that you have learned in the past. Use these basic functions to grasp the characteristics of the structure and open it. The gate of thinking, the problem is that this problem can be solved by starting from the feature structure, and exploring the problem solving strategy of some abstract functions 1 f(x+y) = f (