1-x |
1+x |
1 |
2012 |
1 |
2013 |
1 |
2012 |
1 |
2013 |
1-x |
1+x |
1+x |
1-x |
1-x |
1+x |
1 |
2012 |
1 |
2013 |
1 |
2012 |
1 |
2013 |
1 |
x |
A.[
| B.(0,
| C.(0,+∞) | D.(-∞,0)∪(
|
A.[
| B.[4,16] | C.[
| D.[2,4] |
1 |
2 |
A.(-∞,1) | B.(3,+∞) | C.(-∞,3) | D.[5,+∞) |
A.a>b>c | B.c>a>b | C.b>a>c | D.b>c>a |
A.(0,1) | B.(1,3) | C.(1,
| D.(1,
|
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