3 |
3 |
log | (2+a)
|
log | ( x+1)
|
3 |
log |
|
log | (x-2)
|
log | (x-4)
|
3 |
3 |
log | (x-2)
|
log | (x-4)
|
|
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
A.(0,+∞) | B.[1,+∞) | C.(0,1] | D.(0,1) |
2 |
1 |
2 |
π0+1 |
1 |
2 |
(-4)0 | ||
|
1 | ||
|
(1-
|
3 |
1 |
6 |
1 |
4 |
1 |
2 |
(
| ||
(0.1)-2(a3b-3)
|
3 | 2 |
3 |
2
|
4 |
3 |
16 |
49 |
1 |
2 |
4 | 2 |
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