A.f(-x,y)=f(x,y),f(x,-y)=-f(x,y) B.f(-x,y)=f(x,y),f(x,-y)=f(x,y) C.f(-x,y)=-f(x,y),f(x,-y)=-f(x,y) D.f(-x,y)=-f(x,y),f(x,-y)=f(x,y)正确答案B
A.f(-x,y)=f(x,y),f(x,-y)=-f(x,y) B.f(-x,y)=f(x,y),f(x,-y)=f(x,y) C.f(-x,y)=-f(x,y),f(x,-y)=-f(x,y) D.f(-x,y)=-f(x,y),f(x,-y)=f(x,y)正确答案B