设复数
=a+bi (a,b∈R),则a+b=______.
人气:182 ℃ 时间:2020-05-26 08:29:29
解答
∵
=
=
=-
+
i=a+bi,
∴a=-
,b=
,∴a+b=1,
故答案为:1.
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