A.3x3-5x3=-2x | B.6x3÷2x-2=3x | ||||
C.(
| D.-3(2x-4)=-6x-12 |
1 |
3 |
1 |
9 |
A.-2x8y4 | B.16x4y4 | C.-16x8y4 | D.16x8y4 |
A.a3+a2=a5 | B.(3a-b)2=9a2-b2 |
C.a6b÷a2=a3b | D.(-ab3)2=a2b6 |
A.-76×5 | B.(-7)6×5 | C.1-76×5 | D.(1-76)×5 |
A.(-2)×4 | B.(-2)×(-2)×(-2)×(-2) |
C.-4×4 | D.(-2)+(-2)+(-2)+(-2) |
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