解析:∵f(0)=0,f(1)=f(0)=0,f(2)=f(-1)=0,f(3)=f(-2)=0,f(4)=f(-3)=0,f(5)=f(-4)=0,∴f(1) f(2) f(3) f(4) f(5)=0.
解析:∵f(0)=0,f(1)=f(0)=0,f(2)=f(-1)=0,f(3)=f(-2)=0,f(4)=f(-3)=0,f(5)=f(-4)=0,∴f(1) f(2) f(3) f(4) f(5)=0.
发布时间:2025-07-08 00:20:48
解析:∵f(0)=0,f(1)=f(0)=0,f(2)=f(-1)=0,f(3)=f(-2)=0,f(4)=f(-3)=0,f(5)=f(-4)=0,∴f(1) f(2) f(3) f(4) f(5)=0.