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设函数f(x)和g(x)分别是R上的偶函数和奇函数,则下列结论恒成立的是( ) ...
设函数f(x)和g(x)分别是R上的偶函数和奇函数,则下列结论恒成立的是( )
A.f(x)+|g(x)|是偶函数
B.f(x)-|g(x)|是奇函数
C.|f(x)|+g(x)是偶函数
D.|f(x)|-g(x)是奇函数
考点分析:
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