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若数列中满足,则( ) A.2 B.1 C. D.-1

若数列6ec8aac122bd4f6e中满足6ec8aac122bd4f6e,则6ec8aac122bd4f6e(      )

A.2                  B.1              C.6ec8aac122bd4f6e              D.-1

 

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