复数i·(1+2 i) (i是虚数单位)的虚部为    ▲    .

复数i·(1+2 i) (i是虚数单位)的虚部为       

答案

1            

相关题目

右图表示某生物细胞中两条染色体及其部分基因。下列四种
右图表示某生物细胞中两条染色体及其部分基因。下列四种情况的产生不属于该细胞染色体结构变异的是                           ( )   
Heather Mills McCartney lives an admirable life, attending celebrity parties, me
Heather Mills McCartney lives an admirable life, attending celebrity parties, meeting regularly with the rich and famous and doing meaningful work for charity. All who work with her admire and respect
《威尼斯商人》、《我的叔叔于勒》、《岳阳楼记》、《茅
《威尼斯商人》、《我的叔叔于勒》、《岳阳楼记》、《茅屋为秋风所破歌》都是课本里的名篇,清用简练的语言向未读过的人推荐其中一篇。(至少
下列词语有两个错别字的一项是 A. 连声屏气   硕果仅存  
下列词语有两个错别字的一项是 A. 连声屏气   硕果仅存    回光反照    B. 蘖根祸胎    风烛残年    离合悲欢 C. 势如劈竹   国色天香    错手
In American people like cars very much.It’s interesting for people to say th
In American people like cars very much.It’s interesting for people to say that cars are men’s Toys 1A small car can hold four persons and a large car can hold six persons but it is very crowded
A: How did the audience feel when they saw the ending of the play? B:________.
A: How did the audience feel when they saw the ending of the play? B:________. A. Excited      B. Excite       C. Exciting    D. To excite
古诗文默写(共 4 分,每空 1 分) ①                
古诗文默写(共 4 分,每空 1 分) ①                  ,悠然见南山。(陶渊明《饮酒》) ②海日生残夜,            。(王湾《次北固山
Everybody is happy as his pay rises. Yet pleasure at your own can disappear if y
Everybody is happy as his pay rises. Yet pleasure at your own can disappear if you learn that a fellow worker has been given a bigger one. Indeed, if he is known as being lazy, you might even be quite

最新题目