因为(1-i1+i)2=-2i2i=-1．
故答案为：-1．
解不等式：
（|3x-1|-1）（sinx-2）＞0。
—What are your plans for the weekend?
—_______.[ ]
A. I've no idea
B. I don't know
C. I'd like some holiday
D. I have done the work
