1.(-3ab)(-a²c)³(6ab²)
=-3ab(-a6次c³)(6ab²)
=18a8次b³c³
2.1-(x-3)(x+3)
=1-(x²-9)
=1-x²+9
=-x²+10
1.x的3次方(y-1)+x(1-y)
=x³(y-1)-x(y-1)
=x(y-1)(x²-1)
=x(y-1)(x+1)(x-1)
1.(-3ab)(-a²c)³(6ab²)
=-3ab(-a6次c³)(6ab²)
=18a8次b³c³
2.1-(x-3)(x+3)
=1-(x²-9)
=1-x²+9
=-x²+10
1.x的3次方(y-1)+x(1-y)
=x³(y-1)-x(y-1)
=x(y-1)(x²-1)
=x(y-1)(x+1)(x-1)