Question

Помогите сократить дроби: -2xy/5x^3y
7ab/21bc
3axy/6ay^2
x^8y^4/x^4y^6

Answer 1

$frac{-2xy}{5x^3y}=frac{-2}{5x^2}= - frac{2}{5x^2}\frac{7ab}{21bc} = frac{a}{3c}\frac{3axy}{6ay^2}=frac{x}{2y}\frac{x^8y^4}{x^4y^6}=frac{x^4}{y^2}$