a |
b |
c |
a |
b |
a |
c |
b |
c |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
a |
b |
a |
b |
a |
c |
a |
b |
c |
a |
b |
c |
b |
c |
a |
b |
AB |
AC |
CB |
a |
b |
a |
b |
a |
b |
AD |
a |
a |
b |
A.①② | B.①②③ | C.②④ | D.②③ |
A.若a>b,则ac2>bc2 | ||||
B.-2<a<3,1<b<2,则-3<a-b<1 | ||||
C.若a>b>0,m>0,则
| ||||
D.若a>b,c>d,则ac>bd |
1 |
2 |
A.①②③④ | B.①③④ | C.②③④ | D.①④ |
x2+4 | ||
|
© 2017-2019 超级试练试题库,All Rights Reserved.