A.x | B.3x2 | C.x5 | D.x6 |
A.2a3+3a3=5a6 | B.a•a2•a3=a6 |
C.(-ab)2=-a2b2 | D.(a2)3=a5 |
A.x3+x3=x6 | B.b•b3=b4 |
C.4a3•2a2=8a6 | D.5a2-3a2=2 |
A.a3•a2=a6 | B.a2+a4=2a2 | C.(a3)2=a6 | D.(3a)2=a6 |
A.m5•m2=m10 | B.(a2)3=a5 | C.(2ab2)3=6ab6 | D.(-m2)3=-m6 |
A.正数 | B.非负数 |
C.整数 | D.不能确定的数 |
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