2013 National Question 2 Single-choice Differentiating 2013_新课标II Paper 2.(5分)设复数$z$满足$(1-i)z=2i$,则$z=$( ) A. $-1+i$B. $-1-i$C. $1+i$D. $1-i$ Answer keyA ☆ SaveCan't do it, show the explanation查看原卷 →