计算;(1),(-8-7i)(-3i) (2),(4-3i)(-5-4i) (3),2i/2-i (4),2+(4).2+i/7+4i

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/03 18:18:34
计算;(1),(-8-7i)(-3i)(2),(4-3i)(-5-4i)(3),2i/2-i(4),2+(4).2+i/7+4i计算;(1),(-8-7i)(-3i)(2),(4-3i)(-5-4i)

计算;(1),(-8-7i)(-3i) (2),(4-3i)(-5-4i) (3),2i/2-i (4),2+(4).2+i/7+4i
计算;(1),(-8-7i)(-3i) (2),(4-3i)(-5-4i) (3),2i/2-i (4),2+
(4).2+i/7+4i

计算;(1),(-8-7i)(-3i) (2),(4-3i)(-5-4i) (3),2i/2-i (4),2+(4).2+i/7+4i
1.(-8i+7)/3
2.(4-3i)(-5+4i)/25+16=(-8+31i)/41
3.2i(2+i)/5=4i-2/5
4…………

(1)-21+24i
(2)-32-31i