b |
a |
a |
b |
b+m |
a+m |
a+n |
b+n |
b |
a |
a |
b |
b+m |
a+m |
a+n |
b+n |
b |
a |
3 |
4 |
a |
b |
4 |
3 |
b+m |
a+m |
4 |
5 |
a+n |
b+n |
6 |
5 |
a |
b |
a+n |
b+n |
b+m |
a+m |
b |
a |
a |
b |
a+n |
b+n |
b+m |
a+m |
b |
a |
π |
2 |
A.sinx<
| B.sinx>
| C.sinx<
| D.sinx>
|
A.a0.5>a0.3 | B.0.5a>0.3a |
C.loga0.5>loga0.3 | D.0.5lga>0.3lga |
| ||||
|
a+b |
A.x>y | B.y≥x |
C.y>x | D.x,y大小关系不定 |
1 |
m |
1 |
n |
A.m2<n2 | B.mn<n2 | C.
| D.|m|+|n|>|m+n| |
A.a+b≥2
| B.
| C.
| D.a2+b2>2ab |
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