1+2i |
1+i |
A.
| B.
| C.-
| D.-
|
1+2i |
1+i |
(1+2i)(1-i) |
(1+i)(1-i) |
3+i |
2 |
3 |
2 |
1 |
2 |
. |
z |
3 |
2 |
1 |
2 |
1 |
2 |
Z | 1 |
A.-2+3i | B.-2-3i | C.2-3i | D.2+3i |
1-3i |
i3 |
. |
z |
A.-3+i | B.-3-i | C.3+i | D.3-i |
A.1 | B.
| C.
| D.
|
1+i |
2-i |
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
i | ||
|
. |
z |
A.-
| B.
| C.
| D.-
|
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