Question 62
Evaluate
$$
0.\overline{27}\cdot(x^2+2yx+y^2):(3y^2-3x),
$$
given that $x-y=5$ and
$$
\frac{7x-7y}{10}-\left(\frac{2}{2x+y}\right)^{-1}=5^0.
$$
$$
0.\overline{27}\cdot(x^2+2yx+y^2):(3y^2-3x),
$$
given that $x-y=5$ and
$$
\frac{7x-7y}{10}-\left(\frac{2}{2x+y}\right)^{-1}=5^0.
$$