f(1)=1/4,4f(x)f(y)=f(x+y)f(x-y),求:f(2010)=?
高等数学f(x+y)=f(x)+f(y)/1-f(x)f(y),求f(x)
f(x+y)=f(x)·f(y),且f(1)=2,求f(2)/f(1)+f(3)/f(2)+...+f(2010)/f(
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(1)=1/4,4f(x)f(y)=f(x+y)+f(x-y)(x、y属于R),求f(2010)
f(xy)=f(x)+f(y),证明f(x/y)=f(x)-f(y)
y=f(f(f(x))) 求导
f(x+y)=f(x)f(y)且,x>0,f(x)属于(0,1)
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)=
f(x+y)=f(x)+f(y) 已知f(2)=1求f(3)=?
已知函数f(x),当x,y∈R时,恒有f(x+y)=f(x)+f(y).若f(3)=4,求f(24)
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
若函数f(x)定义域为N,且f(x+y)=f(x)+f(y)+xy,f(y)=1,求f(x)的表达式