A.
| B.
| C.ab>b2 | D.a2>ab |
a |
ab |
b |
ab |
1 |
a |
1 |
b |
a2 |
ab |
b2 |
ab |
b |
a |
a |
b |
A.M<N | B.M>N | C.M=N | D.不确定 |
A.(-∞,-1)∪(5,+∞) | B.(-∞,2)∪(5,+∞) | C.(1,5) | D.(2,5) |
A.2
| ||||||||
B.log32<log25<log35 | ||||||||
C.loga2<loga3<loga4(a>0,a≠1) | ||||||||
D.log
|
A.30.8>30.7 |
B.log0..50.4>log0..50.6 |
C.0.75-0.1<0.750.1 |
D.lg1.6>lg1.4 |
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