设f(x)={x+1,(x>0;π,(x=0));0,(x<0);,则f{f[f(-1)]}的值是?

2025-03-07 06:08:09
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回答1:

设f(x)={x+1,(x>0;π,(x=0));0,(x<0);,则f{f[f(-1)]}的值是
f{f[f(-1)]}=f{f[0]}=f{π}=π+1