A.4x3y÷2x2y=2x | B.-12x4y3÷2x2y=6x2y2 | ||||||
C.-16x2yz÷
| D.(-
|
1 |
4 |
1 |
2 |
1 |
8 |
A.a3÷a=a2 | B.(2x)3÷2x=x2 |
C.(-x)6÷(-x)3=x3 | D.x10÷(-a2)3=a4 |
A.8ab2-2a2b+1 | B.8ab2-2a2b |
C.8a2b2-2a2b+1 | D.8a2b-2a2b+1 |
1 |
5 |
1 |
15 |
A.9x3yz | B.27x2yz | C.27x3yz | D.27x3z |
A.-2ambn-1 | B.-
| C.-2ambn | D.-
|
A.-
| B.
| C.2b2c | D.2ab2c |
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