2-bi |
1+i |
A.0 | B.1 | C.2 | D.3 |
2-bi |
1+i |
(2-bi)(1-i) |
(1+i)(1-i) |
2-b-(2+b)i |
2 |
2-bi |
1+i |
A.a=3或a=-2 | B.a=3或a=-4 | C.a=3 | D.a=-2 |
a+3i |
1-2i |
A.-2 | B.4 | C.-6 | D.6 |
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
A.0 | B.-1 | C.-3 | D.3 |
m |
1+i |
A.1 | B.2 | C.i | D.2i |
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