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抽象函数是指没有明确函数的解析表达式,只给出一些函数符号及其满足条件的函数.由于这类函数具有一定的抽象性,构思新颖,所以求抽象函数的值就会有一定的难度.下面我们就介绍几种常用的解答方法.
An abstract function is an analytical expression that does not have a definite function. It only gives some function symbols and the functions that satisfy the conditions. Because such functions have a certain degree of abstraction and a novel concept, the value of an abstract function will be difficult. Here we introduce several common solutions.