题目内容
计算:
=______.
| 3-i |
| 3+i |
∵
=
=
=
.
故答案为:
-
i.
| 3-i |
| 3+i |
| (3-i)(3-i) |
| (3+i)(3-i) |
| 8-6i |
| 10 |
| 4-3i |
| 5 |
故答案为:
| 4 |
| 5 |
| 3 |
| 5 |
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题目内容
| 3-i |
| 3+i |
| 3-i |
| 3+i |
| (3-i)(3-i) |
| (3+i)(3-i) |
| 8-6i |
| 10 |
| 4-3i |
| 5 |
| 4 |
| 5 |
| 3 |
| 5 |