Найдите произведение дробей: \(\frac{5x^2}{y}\cdot\frac{7y^3}{2x^3}\)
\(\frac{5x^2+7y^3}{y+2x^3}\)
\(\frac{5x^2+7y^3}{2x^3y}\)
\(\frac{35}{2}\)
\(\frac{35y^2}{y+2x^3}\)
\(\frac{35y^2}{2x}\)