题目内容
已知
[
A
B
C
D
已知z=11-20i,则1-2i-z等于
A.z-1
B.i+1
C.-10+18i
D.10-18i
z
-10+18i
10-18i
A.z-1 B.i+1 C.-10+18i D.10-18i
A.z-1 B.z+1
C.-10+18i D.10-18i