x |
x-2 |
x2-16 |
x2-2x |
3 |
x |
x-2 |
2(x-2) |
x-2 |
x2-16 |
x2-2x |
x-2x+4 |
x-2 |
x2-42 |
x2-2x |
-x+4 |
x-2 |
x(x-2) |
(x+4)(x-4) |
-(x-4) |
x-2 |
x(x-2) |
(x+4)(x-4) |
x |
x+4 |
3 |
x |
x+4 |
| ||
|
4
| ||
3 |
1 |
x-1 |
1 |
x+1 |
1 |
x2-1 |
1 |
2 |
a2-b2 |
a2-ab |
2ab+b2 |
a |
2 |
a-1 |
2a |
1-a |
2 |
a2-1 |
5 |
2x |
4-x2 |
3x |
x-2 |
x |
x+2 |
3 |
1 |
x-1 |
1 |
x+1 |
x |
x2-1 |
© 2017-2019 超级试练试题库,All Rights Reserved.