2 | ||
|
27 |
3 |
3 |
2 |
3 |
2 |
2 |
b |
ab5 |
3 |
2 |
a3b |
|
3 |
3 |
3 |
3 |
2 |
3 |
2 |
3 |
2 |
3 |
2 |
3 |
2 |
6 |
ab |
3a |
2 |
ab |
a | ||
3
|
ab |
A.(x+1)(1+x) | B.(
| C.(-a+b)(a-b) | D.(x2-y)(x+y2) |
A.-x2+y2 | B.-x2-y2 | C.x2-y2 | D.x2+y2 |
A.(a+b)(a+b) | B.(a-b)(b-a) | C.(a-b)(-b+a) | D.(a-b)(-a-b) |
A.(m-n)(n-m) | B.(a+b)(-a-b) | C.(-a-b)(a-b) | D.(a+b)(a+b) |
A.0 | B.2 | C.4 | D.6 |
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