2019 National Question 2 Single-choice Differentiating 2019_新课标III Paper 2. 若 $z(1 + i) = 2i$,则 $z = ( )$ A. -1-iB. -1+iC. 1-iD. 1+i Answer keyD ☆ SaveCan't do it, show the explanation查看原卷 →