2010 National Question 1 Single-choice Differentiating 2010_quanguo_old_i 1.(5分)复数$\frac{3+2\mathrm{i}}{2-3\mathrm{i}}=$( ) A. iB. -iC. 12 - 13iD. 12+13i Answer keyA ☆ SaveCan't do it, show the explanation查看原卷 →