设函数f1(x)=,f2(x)=x-1,f3(x)=x2,则f1{f2[f3(2017)]}= . 问题详情：设函数f1(x)=,f2(x)=x-1,f3(x)=x2,则f1{f2[f3(2017)]}=. 【回答】知识点：基本初等函数I题型：填空题...
![设函数f1(x)=,f2(x)=x-1,f3(x)=x2,则f1{f2[f3(2017)]}= .](https://i2.guowenba.com/2a3f740786fedf90c5/2b2f7f1c/23392b/736b284bd3aaca8acf44-s.gif "设函数f1(x)=,f2(x)=x-1,f3(x)=x2,则f1{f2[f3(2017)]}= .")