2018 National Question 1 Single-choice Differentiating 2018_新课标II Paper 1.(5分)i(2+3i)=( A. 3﹣2iB. 3+2iC. ﹣3﹣2iD. ﹣3+2i Answer keyD ☆ SaveCan't do it, show the explanation查看原卷 →