A.x3+x3=x6 | B.x3•x3=x9 |
C.(x2)3=x5 | D.(-3x3)÷(-x)=3x2 |
A.a3•a4=a12 | B.(a3)4=a7 | C.(a2b)3=a6b3 | D.a3÷a4=a(a≠0) |
A.x4•x3=x7 | B.(-c)3•(-c)5=c8 | C.2×210=211 | D.a5•a5=2a10 |
A.a2=(-a)•a | B.a2=(-a)2 | C.a3=|a3| | D.5a>4a |
A.a3+a2=a5 | B.a3•a2=a5 | C.(a3)2=a9 | D.a3-a2=a |
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