已知函数f(x)满足,f(1)=0.25,4f(x)f(y)=f(x+y)+f(x-y) 则f(2010)=
已知函数f(x)满足f(1)=1/4,f(x)+f(y)=4f(x+y/2)*f(x-y/2)则f(-2011)=?
已知函数f(x)满足f(2)=1/2,2f(x)f(y)=f(x+y)+f(x-y),则f(2012)=?
已知函数f(x)满足:f(1)=14,4f(x)f(y)=f(x+y)+f(x-y)(x,y∈R),则f(2010)=(
已知函数f(x)满足:f(1)=1/4,4f(x)f(y)=f(x+y)+f(x-y) (x ,y∈R),则f(2010
已知函数f (x )满足f(1)=1/4,4f(x)f(y)=f(x+y)+f(x-y)(x,y属于R),则f(2010
已知函数y=f(x)满足f(x)=2f(1x
已知函数f(x)满足:f(1)=1/4,4f(x)f(y)=f(x+y)+f(x-y).则f(2010)=?(x,y属于
已知函数f(x)满足:f(1)=1/4,4f(x)f(y)=f(x+y)+f(x-y)(x、y属于R),求f(2010)
已知函数f(x)满足:f(1)=1/4,4f(x)f(y)=f(x+y)+f(x-y)(x,y属于R).则F(2010)
已知函数f (x )满足f(1)=1/4,4f(x)f(y)=f(x+y)+f(x-y)(x,y属于R),则f(2010
已知函数f(x)对于任意实数xy 满足f(x+y)=f(x)+f(y).求证f(x-y)=f(x)-f(y)
已知函数F(X)满足:F(1)=1/4,4F(x)f(y)=f(x+y)+f(x-y),求F(2010)=