1 |
2 |
A.-2 | B.2 | C.-
| D.
|
1 |
2 |
A.-2 | B.2 | C.-
| D.
|
2x+1 |
3 |
10x+1 |
6 |
A.2x+1-(10x+1)=1 | B.4x+1-10x+1=6 |
C.4x+2-10x-1=6 | D.2(2x+1)-(10x+1)=1 |
2x+1 |
3 |
10x+1 |
6 |
A.2x+1-(10x+1)=1 | B.4x+1-10x+1=6 |
C.4x+2-10x-1=6 | D.2(2x+1)-(10x+1)=1 |
. |
| . |
. |
| . |
A.-2 | B.
| C.3 | D.
|
. |
| . |
. |
| . |
A.-2 | B.
| C.3 | D.
|
© 2017-2019 超级试练试题库,All Rights Reserved.