6.已知. ( ) A.2007 B. C.2 D.-2 查看更多

 

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已知,

                                                                    

A.2007                      B.                          C.2                            D.-2

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已知,

                                                                    

A.2007                      B.                          C.2                            D.-2

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已知函數(shù)f(x)為偶函數(shù)(x∈R),若將f(x)的圖象向右平移一個單位又得到一個奇函數(shù),若   f(2)=-1,則f(1)+f(2)+f(3)+…+f(2007)=

A.-1003     B.1003  C.1       D.-1

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已知函數(shù)是R上的偶函數(shù),且滿足

,則f(-2007.5)的值為             

A.0.5                         B.1                            C.1.5                     D.2

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已知定義在R上的函數(shù)f(x)滿足,且f(-2)=f(-1)=-1,f(0)=2,則f(1)+f(2)+…+(2006)+f(2007)=

[  ]

A.-2

B.-1

C.0

D.1

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