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A.0 B.1 C.- D.
A.0 B.1 C.5 D.
若奇函数f (x) (x∈R)满足f (2) = 1,f (x + 2) = f (x) + f (2),则f (1) = ( )
A.0 B.1 C.- D.
若奇函数f(x)(x∈R)满足f(1)=,f(x+2)=f(x)+f(2),则f(5)
A.0
B.1
C.
D.5
若奇函数f (x) (x∈R)满足f (2) = 1,f (x + 2) =" f" (x) + f (2),则f (1) =" ( " )