(—2006)^0 ×2÷1/2 +(-1/3)^-2÷2^-3
=2×2+9×8
=4+72
=76
(2x)^3·(-2y^3)÷(16xy^2)
=-16x^3y^3÷16xy^2
=-x^2y
2(m+1)^2-(2m+1)(2m-1)
=2(m^2+2m+1)-(4m^2-1)
=2m^2+4m+2-4m^2+1
=-2m^2+4m+3
(—2006)^0 ×2÷1/2 +(-1/3)^-2÷2^-3
=2×2+9×8
=4+72
=76
(2x)^3·(-2y^3)÷(16xy^2)
=-16x^3y^3÷16xy^2
=-x^2y
2(m+1)^2-(2m+1)(2m-1)
=2(m^2+2m+1)-(4m^2-1)
=2m^2+4m+2-4m^2+1
=-2m^2+4m+3