A.3a•4a=12a | B.a3a4=a12 | C.(-a3)4=a12 | D.a6÷a2=a3 |
A.(a-2)3=a-6 | B.(-1)0=-1 |
C.a4÷a5=a-1 | D.a-2•a-3=a-5 |
A.x3+x3 | B.(2x3)2 | C.2x3•x2 | D.2x7÷x |
A.a2•a3=a6 | B.(a2)3=a5 | C.a2+a2=2a2 | D.a3÷a=a3 |
A.(-2)0=0 | B.3-2=-6 | C.m4÷m=m3(m≠0) | D.
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