A.2a2•3b3=6a5 | B.(-2a)2=-4a2 | ||
C.(a5)2=a7 | D.x-2=
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1 |
x |
1 |
x2 |
A.-22+(π-3.14)0=5 | B.(
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C.x2•x3=x5 | D.ab2+a2b=a3b3 |
A.a3-a=2a | B.a2•a3=a6 | C.(-2a2)3=-8a6 | D.2a-1=
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A.3x-2x=x | B.-2x-2=-
| ||
C.(-a)3•a3=a6 | D.(-a3)2=-a6 |
A.(
| B.a3•a2=a6 | ||
C.(-2a3)-3=6a-9 | D.a3+a2=a5 |
A.2x2•3x=6x3 | B.(-6x4)•(3x2)=-18x6 | ||||
C.(2x+1)(2x-1)=2x2-1 | D.(-
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