A.a10÷a9=a | B.x3-x2=x | C.(-3pq)2=6pq | D.x3•x2=x6 |
A.a3 | B.-a3 | C.a2 | D.-a2 |
A.p≥q≥a>b | B.q≥a>b≥p | C.q≥p≥a>b | D.p≥a>b≥q |
A.a3+a3=a6 | B.(a2)3=a5 | C.a2•a4=a8 | D.a4÷a3=a |
A.a2÷a2=a | B.(ab2)2=a2b4 | C.a2•a4=a8 | D.5ab-5b=a |
A.(-2x2)•x3=4x6 | B.x2÷x=x |
C.(4x2)3=4x6 | D.3x2-(2x)2=x2 |
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