1 |
2a |
2a |
b |
3b2 |
a2 |
1 |
2a |
2a |
b |
3b2 |
a2 |
1 |
2a |
b2 |
4a2 |
3b2 |
a2 |
1 |
2a |
b2 |
4a2 |
3b2 |
a2 |
1 |
8a6b3 |
3b |
64a11 |
a3 |
x2 |
-x3 |
a2 |
A.8a2÷
| B.(a-b)÷
| ||||||
C.(a-b)÷
| D.15a2÷
|
x2-2xy+y2 |
xy |
x-y |
x2 |
a-1 |
a-2 |
a2-2a+1 |
2a-4 |
ab3 |
2c3 |
-5a2b2 |
4cd |
x2-4y2 |
x2+2xy+y2 |
x+2y |
2x2+2xy |
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