2xy2 |
x+y |
xy3 |
x2-y2 |
1 |
2(x-y) |
1 |
2 |
2 |
3 |
x2-4x |
x+3 |
4-x |
x |
2xy2 |
x+y |
xy3 |
x2-y2 |
1 |
2(x-y) |
2xy2 |
x+y |
(x2-y2)2 |
x2y6 |
1 |
4(x-y)2 |
2x |
x+y |
1 |
2 |
2 |
3 |
2×(-
| ||||
-
|
x2-4x |
x+3 |
4-x |
x |
x(x-4) |
x+3 |
x |
4-x |
x2 |
x+3 |
12 |
1+3 |
1 |
4 |
3 |
3 |
5 |
1 |
2 |
x2-10x+25 |
4-x |
© 2017-2019 超级试练试题库,All Rights Reserved.