2 1/3 -0.2*5= 2 1/3 -1=1 1/3
4xy+8x-6-3y=4x(y+2)-3(2+y)=(y+2)×(4x-3)
<span>32x</span>³<span>y</span>⁶<span>*4xy</span>³<span>=
=(32*4)*(x</span>³<span>x)*(y</span>⁶<span>y</span>³<span>)=
=128*(x</span>³<span>x</span>¹<span>)y</span>⁶⁺³=
=128x³⁺¹y⁹=
=128x⁴y⁹