8.等于 . 查看更多

 

题目列表(包括答案和解析)

等于              (  )

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

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等于(  )

A.i                           B.-i                          C.1                              D.-1

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+等于(  )

A.                          B.2                              C.1                              D.i

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等于(  )

A.1                              B.-1                          C.i                           D.-i

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等于(  )

A.i                       B.i                    C.i                           D.-i

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