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化简:结果为A.iB.-iC.-3iD.3i
试题详情
化简:
结果为( )
A.i
B.-i
C.-3i
D.3i
相关试题
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化简:结果为( )
A.i
B.-i
C.-3i
D.3i
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(i是虚数单位)的值是( )
A.1+3i
B.3+i
C.1-3i
D.3-i
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复数(i为虚数单位)等于( )
A.-1-3i
B.-1+3i
C.1-3i
D.1+3i
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复数(i为虚数单位)等于( )
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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复数(i为虚数单位)等于( )
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,则复数=( )
A.-4-3i
B.-4+3i
C.4+3i
D.4-3i
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已知=2+i,则复数z=( )
A.2-3i
B.4-3i
C.2+3i
D.4+3i