2 |
3 |
7 |
3 |
2 |
3 |
7 |
3 |
2 |
3 |
2 |
3 |
7 |
3 |
2 |
3 |
2 |
3 |
2 |
3 |
7 |
3 |
2 |
3 |
7 |
3 |
2 |
3 |
2 |
3 |
5 |
3 |
10 |
3 |
5x |
3 |
1 |
2 |
2(6x-9) |
3 |
2x-1 |
2 |
3-x |
4 |
A.2x-1=1-(3-x) | B.2(2x-1)=1-(3-x) |
C.2(2x-1)=8-3-x | D.2(2x-1)=8-3+x |
3y-1 |
4 |
5y-7 |
6 |
x-3 |
0.3 |
2x+0.1 |
0.2 |
A.由x+5=6x-7得x-6x=7-5 | ||||
B.由-2(x-1)=3得-2x-2=3 | ||||
C.由
| ||||
D.由
|
© 2017-2019 超级试练试题库,All Rights Reserved.