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若,则的值为 ( ▲ ) A. B. C. D.

6ec8aac122bd4f6e,则6ec8aac122bd4f6e的值为                                                (  ▲  )

 

A.6ec8aac122bd4f6e           B.6ec8aac122bd4f6e             C.6ec8aac122bd4f6e             D.6ec8aac122bd4f6e

 

D 【解析】,解得,所以=2-(-3)=5,故选D
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