题目内容
解析:∵===-2，?
∴a+3i=-2.∴a=-2-3i.
答案:-2-3i
A.-I B.-5i C.-2-3i D.2-3i
】已知=a+3i,则a等于
A.－i B.－5i C.－2－3i D.2－3i
=a+3i,则a= .=
=
=-2，?
=a+3i,则a= .=a+3i,则a= .===-2，?
=a+3i,则a= .
=a+3i,则a=_________.
=a+3i,则a等于（ ）
=a+3i,则a等于