5 |
2x+3 |
3 |
x-1 |
1 |
x-2 |
1 |
2-x |
1 |
x-2 |
1 |
x-2 |
1 |
x-3 |
x |
3-x |
2x+a |
x-1 |
A.a>-1 | B.a>-1且a≠0 | C.a<-1 | D.a<-1且a≠-2 |
2 |
x+2 |
3 |
x |
1 |
x-1 |
1 |
x+1 |
2 |
x2-1 |
1 |
x |
1 |
c |
1 |
c |
2 |
x |
2 |
c |
2 |
c |
3 |
x |
3 |
c |
3 |
c |
m |
x |
m |
c |
2 |
x-1 |
2 |
a-1 |
1 |
x-1 |
2 |
x2-1 |
A.x=1 | B.x=-1 | C.x=3 | D.无解 |
© 2017-2019 超级试练试题库,All Rights Reserved.