1.復(fù)數(shù)等于 ( ) A.2 B.-2 C.2i D.-2i 查看更多

 

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復(fù)數(shù)等于                                                                   

A.2                            B.-2                        C.2i                           D.-2i

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復(fù)數(shù)等于                                                                        

A.-2                        B.2                            C.-2i                       D.2i

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復(fù)數(shù)等于

[  ]
A.

-1+i

B.

1+i

C.

-2+2i

D.

2+2i

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復(fù)數(shù)等于

[  ]
A.

2

B.

-2

C.

-2i

D.

2i

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復(fù)數(shù)(3+2i)i等于

[  ]

A.

-2-3i

B.

-2+3i

C.

2-3i

D.

2+3i

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