1 |
a-1 |
1 |
a+1 |
a |
1-a2 |
2(a-1)(a+1) |
(a+1)(a-1) |
a+1 |
(a+1)(a-1) |
a-1 |
(a+1)(a-1) |
a(1-a2) |
1-a2 |
a |
1-a2 |
2a |
a-1 |
a3 |
1-a2 |
2a |
a-1 |
(1-a)(1+a) |
a3 |
2(1+a) |
a2 |
2+2a |
a2 |
2+4 |
4 |
3 |
2 |
4x2-4xy+y2 |
2x-y |
1 |
2 |
1 |
3 |
9x2+3x |
x2+6x+9 |
(x+3)(x2-3x+9) |
x2-3x |
x2-3x+9 |
x2-9 |
8 |
32 |
2 |
|
48 |
0.5 |
|
32 |
x2 |
x2-y2 |
y2 |
y-x |
2x-6 |
x-2 |
5 |
x-2 |
1 |
a-2 |
3-a |
2a-4 |
1 |
y |
1 |
x |
A.1 | B.
| C.
| D.-1 |
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