【填空题】设f(z)=z,若z 1 =3+4i,z 2 =-2-i,则f(z 1 -z 2 )=____. 【填空题】设f(z)=z,若z 1 =3+4i,z 2 =-2-i,则f(z 1 -z 2 )=____. 发布时间:2025-07-31 18:43:17