A.a3•a2=a6 | B.(a3)2=a5 |
C.(a-b)(a+b)=a2-b2 | D.(a+b)2=a2+b2 |
A.ab(ab)3=a4b4 | B.a3÷a3•a5=a5 |
C.(3ab2)3=27a3b6 | D.a3b÷2ab=a2 |
A.(x3)4=x7 | B.x3•x4=x12 | C.(3x)2=9x2 | D.(3x)2=6x2 |
A.(x3)4=x7 | B.x3•x4=x12 | C.(-3x)2=9x2 | D.2x2+x2=3x4 |
A.2xm+2 | B.x2m+x2 | C.x2•xm+1 | D.x2m•x2 |
A.a5 | B.a6 | C.-a5 | D.-a6 |
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