A.3+i | B.3-i | C.3+3i | D.3-3i |
4+2i |
1+i |
(4+2i)(1-i) |
(1+i)(1-i) |
6-2i |
2 |
A.-1 | B.1 | C.-2 | D.2 |
A.b<-
| B.b>-
| C.-
| D.b<2 |
x |
x+y |
y |
x+y |
A.2-2008 | B.-1 | C.1 | D.0 |
2 |
z |
2 |
z2 |
A.-1+i | B.1+i | C.-1+2i | D.1+2i |
(2+i)2 |
1-i |
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
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