1 |
(x+1)(x+2) |
1 |
(x+2)(x+3) |
1 |
(x+3)(x+4) |
1 |
(x+100)(x+101) |
1 |
(x+1)(x+2) |
1 |
(x+2)(x+3) |
1 |
(x+3)(x+4) |
1 |
(x+100)(x+101) |
1 |
x+1 |
1 |
x+2 |
1 |
x+2 |
1 |
x+3 |
1 |
x+100 |
1 |
x+101 |
1 |
x+1 |
1 |
x+101 |
100 |
(x+1)(x+101) |
1 |
3 |
1 |
6 |
1 |
10 |
1 |
15 |
1 |
21 |
1 |
55 |
b+c |
a |
a+c |
b |
a+b |
c |
x+3y |
-3xy |
x-9y |
3xy |
A.-
| B.-
| C.
| D.-
|
a+1 |
a-1 |
1 |
2(a-1) |
A.1 | B.
| C.-
| D.
|
x2 |
x2-2xy+y2 |
y2 |
2xy-x2-y2 |
1 |
2m-6 |
3 |
m2-9 |
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