(1)(4-5i)(5-i) (2)(1-3i)²

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/13 20:33:34

(1)(4-5i)(5-i) (2)(1-3i)²

(1)原式=20-4i-25i-5
=15-29i
(2)原式=1-9-6i
=-8-6i