Question

номер 271 (3) плиз)))))

Answer 1

$frac{9x^3y^3}{65m^7}cdot frac{39x^4m^3}{40y^5}cdot frac{16y^2m^4}{27x^7}= frac{9x^3y^3cdot39x^4m^3cdot 16y^2m^4}{65m^7cdot 40y^5 cdot27x^7}= frac{9cdot39cdot16 m^7y^7x^7}{65cdot40cdot27m^7y^7x^7}= frac{52}{650}= frac{2}{25}$