复数i1+2i的虚部为( ) A.25 B.25i C.15 D.15i 发布时间:2017-04-13 06:17 │ 来源:www.tikuol.com 题型:选择题 问题: 复数i1+2i的虚部为( )A.25B.25iC.15D.15i
题型:选择题 I still remember the days___ I spent ______ with you in Beijing.A.when; stayingB.what; to stayC.that; stayingD.during; to stay 查看答案