题目内容
复数
的实部是______.
| 1+2i |
| 3-4i |
复数
=
=
=-
+
它的实部是:-
故答案为:-
| 1+2i |
| 3-4i |
| (1+2i)(3+4i) |
| (3-4i)(3+4i) |
| -5+10i |
| 25 |
| 1 |
| 5 |
| 2i |
| 5 |
它的实部是:-
| 1 |
| 5 |
故答案为:-
| 1 |
| 5 |
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题目内容
| 1+2i |
| 3-4i |
| 1+2i |
| 3-4i |
| (1+2i)(3+4i) |
| (3-4i)(3+4i) |
| -5+10i |
| 25 |
| 1 |
| 5 |
| 2i |
| 5 |
| 1 |
| 5 |
| 1 |
| 5 |