具有奇偶性的函数有以下重要的性质:(1)若f(x)为奇函数,且定义域包含0,则f(0)=0;(2)若f(x)为偶函数,则f(-x)=f(x)=f(| x |)若在解题中能灵活运用上面的性质,可大大简化解题过程 The function with parity has the following important properties: (1) If f(x) is an odd function and the domain contains 0, then f(0) = 0; (2) If f(x) is an even function, then f(-x)=f(x)=f(| x |) If the above properties can be flexibly used in the problem solving, the problem solving process can be greatly simplified