A.a3+a2=a5 | B.a3•a2=a6 |
C.(a3)2=a6 | D.2a3•3a2=6a6 |
A.a+a=a2 | B.(3a)2=6a2 | C.(a+1)2=a2+1 | D.a•a=a2 |
A.-6x5 | B.-3x5 | C.2x5 | D.6x5 |
1 |
2 |
A.a2+2a2=3a4 | B.2x3•(-x2)=-2x5 |
C.(-2a2)3=-8a5 | D.6x2m÷2xm=3x2 |
A.a3+a3=a6 | B.|3-2
| ||||
C.(b3)2=b9 | D.(x+y)(x2+xy+y2)=x3+y3 |
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