计算:( ) (C) (D) 查看更多

 

题目列表(包括答案和解析)

计算:=
[     ]
A.1-i      
B.-1-i       
C.1+i      
D.-1+i

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计算:=

A.3n                          B.3n-1                     C.4n                          D.4n-1

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计算:=                                                                                       

A.                         B.1                            C.                         D.

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计算:=                                                                              

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

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计算:log28-20=

[     ]

A.1
B.2
C.3
D.4

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