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i是虚数单位,复数等于A.1+3iB.1-3iC.D.
试题详情
i是虚数单位,复数
等于( )
A.1+3i
B.1-3i
C.
D.
相关试题
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i是虚数单位,复数等于( )
A.1+3i
B.1-3i
C.
D.
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i是虚数单位,复数等于( )
A.1+3i
B.1-3i
C.
D.
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i是虚数单位,若复数z满足z(2-i)=7-i,则z等于( )
A.1+3i
B.1-3i
C.3-i
D.3+i
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i是虚数单位,若复数z满足z(2-i)=7-i,则z等于( )
A.1+3i
B.1-3i
C.3-i
D.3+i
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若复数z=1+i,i为虚数单位,则(1+z)•z=( )
A.1+3i
B.3+3i
C.3-i
D.3
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已知复数z满足(2+i)(1-i)=i•z(i为虚数单位),则z=( )
A.-1+3i
B.-1-3i
C.1+3i
D.1-3i
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设i为虚数单位,则=( )
A.-2-3i
B.-2+3i
C.2-3i
D.2+3i
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设i为虚数单位,则=( )
A.-2-3i
B.-2+3i
C.2-3i
D.2+3i
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已知=2+i,则复数z=( )
A.-1+3i
B.1-3i
C.3+i
D.3-i
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已知=2+i,则复数z=( )
A.-1+3i
B.1-3i
C.3+i
D.3-i