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(2011浙江省,7,3分)已知,,则代数式的值为( ) A.9 B.±3 C....

(2011浙江省,7,3分)已知6ec8aac122bd4f6e6ec8aac122bd4f6e,则代数式6ec8aac122bd4f6e的值为(   )

  A.9          B.±3            C.3        D. 5

 

C 【解析】略
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