A.
| B.
| C.
| D.
|
1 |
2 |
1 |
x |
1 |
y |
3 |
4 |
1 |
x+y |
1 |
3 |
1 | ||
|
| ||
2 |
|
| ||
10 |
1 |
2 |
1 |
x |
1 |
y |
xy |
1 |
x+y |
1 | ||
2
|
1 | ||
|
1 |
4xy |
1 |
2(x2+y2) |
1 | ||
2
|
|
1 | ||
|
|
1 |
2 |
1 |
x |
1 |
y |
1 | ||
|
(
| ||||
2xy
|
1 |
2 |
1 |
x |
1 |
y |
1 | ||
|
1 |
2 |
1 |
x |
1 |
y |
A.0.56<log0.56<60.5 | B.0.56<60.5<log0.56 |
C.log0.56<60.5<0.56 | D.log0.56<0.56<60.5 |
1 |
3 |
1 |
a-2b |
1 |
b |
1 |
a-b |
1 |
b |
1 |
a-2b |
1 |
b |
1 |
a-b |
1 |
b |
1 |
a |
1 |
b |
1 |
a+b |
1 |
ab |
1 |
a |
1 |
b |
A.①④ | B.②③ | C.①③ | D.②④ |
© 2017-2019 超级试练试题库,All Rights Reserved.