【简答题】已知 a 1-i =1+bi ,其中a,b是实数,i是虚数单位,则a+bi=______.
【简答题】(2013?天津)已知a,b∈R,i是虚数单位.若(a+i)(1+i)=bi,则a+bi= _________ .
【单选题】— What colour is your hair? — _________________ [ ]
【简答题】若 3+bi 1-i =a+bi(a,b为实数,i为虚数单位),则a+b=______.
【简答题】[2013·天津高考]已知a,b∈R,i是虚数单位.若(a+i)·(1+i)=bi,则a+bi=________.
【单选题】如若为客人搭配佐酒的菜品,可推荐()味型
【简答题】若 a 1-i =1-bi ,其中a,b都是实数,i是虚数单位,则|a+bi|=______.
【简答题】已知 a-i 1+i =-2+bi (a,b∈R,i为虚数单位),那么a+bi的共轭复数为______.
【单选题】_ _What are you going to do this afternoon? _ _My hair is too long. I want to get my hair__________.
【简答题】已知a,b∈R,i是虚数单位.若(a+i)(1+i)=bi,则a+bi=______.