题目内容
解析:i4n+i4n+1+i4n+2+i4n+3=1+i-1-i=0.
答案:0
已知两个复数z1=a+bi,z2=c+di(a、b、c、d∈R),则z1±z2=___________;z1·z2=___________;特别地,若z=a+bi(a、b∈R),则z·=___________;?
= .
=___________;?
= .