3x+4 |
A.
| B.-
| C.
| D.-
|
3x+4 |
3x+4 |
4 |
3 |
1 |
4 |
A.a+a2=2a2 | B.a5•a2=a10 | C.(-2a4)4=16a8 | D.(a-1)2=a-2 |
A.22×2-2=0 | B.(-2×3)2=-36 | C.(23)4=212 | D.(
|
1 |
2 |
A.-2 | B.2 | C.-
| D.
|
A.x6 | B.x5 | C.x2 | D.x |
A.b5•b5=2b5 | B.m2•m3=m5 | C.x5+x5=x10 | D.a•b2=a2b2 |
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