4^2011*2^2012*(-0.125)^2010
=2^4022*2^2012*(0.5^3)^2010
=2^6034*0.5^6030
=(2^6030*2^4)*0.5^6030
=2^6030*0.5^6030*2^4
=(2x0.5)^6030*16
=16
（xy）^m*(xy)^n*(-1/6x^m+n)
=(xy)^(m+n)*(-1/6)*x^(m+n)
=(-1/6)x^(m+n)*y^(m+n)*x^(m+n)
=(-1/6)*3*2*3
=-3
[(x+y)(X-y)-(X-y)²-(6x²y-2xy²)]/2y,其中x=-2,y=1/2
=[x²-y²-x²-y²+2xy-6x²y+2xy²]/2y
=[-2y²+2xy-6x²y+2xy²]/2y
=-y+x-3x²+xy
=-1/2-2-12-1
=-15又1/2