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1学习反思问题1:什么是抽象函数,常考的抽象函数有哪些?解答抽象函数是相对于给出具体解析式的函数来说的,它虽然没有具体的表达式,但是有一定的对应法则,这种对应法则是解决问题的关键.常考的抽象函数如下表:
1 Learning Reflections Question 1: What is an abstract function and what are the abstract functions that are often tested? Answers Abstraction functions are relative to functions that give concrete analytic expressions. Although there are no concrete expressions, they have certain rules of correspondence. This corresponding rule is the key to solving the problem. The often-tested abstract functions are as follows: