i为虚数单位,则 2 (1+i) 2 =______ 日期:2016-06-02 00:42:54 人气:1 i为虚数单位,则 2 (1+i) 2 =______ 2 (1+i) 2 = 2 1+2i-1 = 1 i =-i,故答案为-i.