[-3(x-y)^3]^2•(y-x)^3
问题描述:
[-3(x-y)^3]^2•(y-x)^3
答
:[-3(x-y)^3]^2•(y-x)^3 =-9(x-y)^6*(x-y)^3=-9(x-y)^9
答
[-3(x-y)^3]^2•(y-x)^3
=[9(x-y)^6]*[-(x-y)^3]
=-9(x-y)^9