2 |
1 | ||
3-4
|
9-4
|
2 |
1 | ||
3-4
|
3+4
| ||||
(3-4
|
3+4
| ||
-23 |
3 |
23 |
4 |
23 |
2 |
9-4
|
8-2
|
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
A.{-2,2} | B.{-2,0,2} | C.{-2,0} | D.{0} |
A.(1-i)+(1+i | B.(1-i)(1+i | C.
| D.(1-i)2 |
A.P={1,
| B.P={π},Q={3.14159} | ||||
C.P={2,3},Q={(2,3)} | D.P={x|-1<x≤1,x∈N},Q={1} |
A.1个 | B.7个 | C.8个 | D.15个 |
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