1 |
3 |
8 |
3 | 2 |
1 |
3 |
8 |
3 | 2 |
4 |
3 |
3 |
2 |
1 |
3 |
5 |
2 |
1 |
2 |
2 |
A.a2+a3=a5 | B.(-2x)3=-2x3 | ||||||
C.(a-b)(-a+b)=-a2-2ab-b2 | D.
|
A.a2+a3=a5 | B.
| ||||||
C.(a-b)(-a+b)=-a2-2ab-b2 | D.(-2x)3=-2x3 |
A.a2•a3=a6 | B.(a+b)(a-2b)=a2-2b2 |
C.(ab3)2=a2b6 | D.5a-2a=3 |
A.(2x2)3=8x6 | B.(2x)-2=-4x2 | C.(a-b)2=a2-b2 | D.
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