A.2a2+2a=4a | B.2a-1=
| C.(-a)•a=-a | D.(-a)÷(-a)=1 |
1 |
a |
2 |
a |
A.xn+xm=xm+n | B.xm•x-n=xm-n |
C.x3•x3=2x3 | D.x6÷x2=x3 |
A.(a3)2=a6 | B.a+2a2=3a2 | C.a3•a2=a6 | D.a9÷a3=a3 |
A.a2+a2=a4 | B.a6÷a2=a3 | C.a3•a2=a6 | D.(a3)4=a12 |
A.2x3+x3=3x6 | B.x•x2=x3 | C.(-x2)3=x6 | D.x8÷x4=x2 |
A.x2•x4=x8 | B.a10÷a2=a5 | C.m3+m2=m5 | D.(-a2)3=-a6 |
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