[(2xy的立方)整体的平方/(3x)]*[8xy/4xy]其中x=1000,y=-1
问题描述：
[(2xy的立方)整体的平方/(3x)]*[8xy/4xy]其中x=1000,y=-1
答
[(2xy的立方)整体的平方/(3x)]*[8xy/4xy]
=[(2xy^3)^2/(3x)]*2
=(4x^2y^6/3x)*2
=8xy^6/3
x=1000,y=-1
=8*1000*(-1)^6/3
=8000/3