2 |
2 |
2 |
2 |
2 |
2 |
|
A.(-2,2) | B.(-∞,-2)∪(2,+∞) | C.(-1,1) | D.(-∞,-1)∪(1,+∞) |
1 |
2 |
1 |
3 |
A.(-
| B.(-∞, -
| ||||||||
C.(-
| D.(-∞, -
|
1 |
2 |
a |
b |
16b |
a |
A.(-2,0) | B.(-∞,-2)∪(0,+∞) | C.(-4,2) | D.(-∞,-4)∪(2,+∞) |
A.(-1,4) | B.(-∞,-1)∪(4,+∞) | C.(-4,1) | D.(-∞,-4)∪(1,+∞) |
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