2加i⼀2减i等于多少

2025-12-15 07:21:43
推荐回答(2个)
回答1:

解:
2+i/2-i
=2-i/2
如果是(2+i)/(2-i)
=(2+i)²/(4+1)
=(4+4i-1)/5
=(3+4i)/5
=0.6+0.8i

回答2:

=2-i/2