函数 f(x)= x 2 - x 4 |x-2|-2 .给出函数f(x)下列性质:(1)函数的定义域和值域均为[-1,1];(2)函数的图象关于原点成中心对称;(3)函数在定义域上单调递增;(4) ∫ A f(x)dx=0 (其中A为函数的定义域);(5)A、B为函数f(x)图象上任意不同两点,则 2 <|AB|≤2 .请写出所有关于函数f(x)性质正确描述的序号______.
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