题目内容
已知复数Z1=2-i，Z2=1-3i，则复数
+
=______．
| i |
| z1 |
| z2 |
| 5 |
∵复数Z1=2-i，Z2=1-3i，∴
+
=
+
=
+
=
=-
i，
故答案为 -
i．
| i |
| z1 |
| z2 |
| 5 |
| i |
| 2-i |
| 1-3i |
| 5 |
=
| i(2+i) |
| (2-i)(2+i) |
| 1-3i |
| 5 |
| -1+2i+1-3i |
| 5 |
| 1 |
| 5 |
故答案为 -
| 1 |
| 5 |
练习册系列答案
相关题目