设函数f(x)={x-3,(x≥10) f(f(x+5)),(x

设函数f(x)={x-3(x≥10) f(f(x+5))(x 设函数f(x)=x-[x],x≥0,f(x+1),x 设函数f(x)满足f(x)+2f(1/x)=x,求f(x) 设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10), 设f(x)={x+3,x>10,f(x+5),x 设函数f(x)=|x^2-4x-5| 设f(x)={x分段函数 设函数f(x)=x^2 设函数f（x）=x 设函数f(X)=|2x-3|+|X+2|把f(x)写成分段函数,解不等式f(x) 设函数f(x)=log2(-x),g(x)=x+1,F(x)={g(x),f(x)大于等于g(x);f(x),f(x)小 设函数f(x)=[3/(5-x)]+(x²/5),则f'(0)=