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复数等于
A.-2 B.2 C.-2i D.2i
A.2 B.-2 C.2i D.-2i
-1+i
1+i
-2+2i
2+2i
复数(3+2i)i等于
A.
-2-3i
B.
-2+3i
C.
2-3i
D.
2+3i
复数z=(3-2i)i的共轭复数等于
-2-3