A.
| B.
| C.
| D.
|
10x-1 |
10y-1 |
x-1 |
y-1 |
10x+1 |
10y+1 |
x+1 |
y+1 |
(10x)2 |
(10y)3 |
x2 |
10y3 |
x2 |
y3 |
10x |
10x+10y |
y |
x+y |
A.
| B.
| ||||||
C.
| D.
|
x5 |
8x2 |
7m2n |
-35mn2 |
(a-b)2 |
(b-a)2 |
a |
b |
2 |
3 |
a-b+1 |
a+b-5 |
a |
5 |
ab-a2 |
5(a-b) |
1 |
x |
1 |
y |
2x+3xy-2y |
x+2xy-y |
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