4iz的精选

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 (2014·广东高考)已知复数z满足(3+4i)z=25,则z=(  )A.-3+4i     B.-3-4...

 (2014·广东高考)已知复数z满足(3+4i)z=25,则z=(  )A.-3+4i     B.-3-4...

2020-04-07
问题详情: (2014·广东高考)已知复数z满足(3+4i)z=25,则z=()A.-3+4i     B.-3-4iC.3+4i       D.3-4i【回答】D知识点:数系的扩充与复数的引入题型:选择题...
)若复数z满足(3-4i)z=|4+3i|,则z的虚部为(  )A.-4       B.-C.4      ...

)若复数z满足(3-4i)z=|4+3i|,则z的虚部为(  )A.-4       B.-C.4      ...

2021-07-31
问题详情:)若复数z满足(3-4i)z=|4+3i|,则z的虚部为()A.-4       B.-C.4         D.【回答】D知识点:数系的扩充与复数的引入题型:选择题...
若复数z满足(3-4i)z=|4+3i|,则z的虚部为(  )A.-4                    ...

若复数z满足(3-4i)z=|4+3i|,则z的虚部为(  )A.-4                    ...

2020-03-16
问题详情:若复数z满足(3-4i)z=|4+3i|,则z的虚部为()A.-4                           B.-C.4                             D.【回答】D知识点:数系的扩充与复数的引入题...