2009 National Question 2 Single-choice Differentiating 2009_老新课标卷 (2009·文) 2.复数 $\dfrac{3+2i}{2-3i}=$ A. $1$B. $-1$C. $i$D. $-i$ Answer keyC ☆ SaveCan't do it, show the explanation查看原卷 →