m2+4m+4 |
m2-4 |
m2+2m |
m-2 |
m2+4m+4 |
m2-4 |
m2+2m |
m-2 |
(m+2)2 |
(m+2)(m-2) |
m-2 |
m(m+2) |
1 |
m |
a-1 |
a2-4a+4 |
a+2 |
a2-2a |
4 |
a |
1 |
x |
2 |
x2 |
2 |
x |
x-3 |
x-1 |
x-3 |
x2+2x+1 |
1 |
x-1 |
2 |
3x |
x-2 |
x |
x+2 |
x2-4 |
x |
3x |
4y3 |
6z |
x2y |
12 |
m2-9 |
2 |
m-3 |
a2 |
a-1 |
a2-4 |
a2+2a-8 |
a2-4a+4 |
a-2 |
© 2017-2019 超级试练试题库,All Rights Reserved.