A.c>b>a | B.b>c>a | C.a>c>b | D.a>b>c |
6 |
1 |
2 |
10 |
1 |
2 |
1 |
2 |
lg3 |
lg6 |
lg3-lg5lg6 |
lg6 |
lg3-(1-lg2)(lg2+lg3) |
lg6 |
lg2(lg2+lg3-1) |
lg6 |
lg2lg
| ||
lg6 |
1 |
2 |
1 |
2 |
A.1<a<b | B.1<b<a | C.0<a<b<1 | D.0<b<a<1 |
x |
1 |
2 |
A.(0,
| B.(0,
| C.[
| D.(
|
1 |
2 |
1 |
3 |
3 |
2 |
A.b<a<c | B.c<b<a | C.a<b<c | D.a<c<b |
A.{x|x≠-1} | B.(0,+∞) | C.(-1,+∞) | D.(-1,0) |
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