设i为虚数单位.则 21004 查看更多

 

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设i为虚数单位,则

A.21004                 B.-21004                        C.22008                                             D.-22008

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设i为虚数单位,则(   )

A.21004            B.-21004                            C.22008                                                  D.-22008

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设i为虚数单位,则(   )

A.21004            B.-21004                            C.22008                                                  D.-22008

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