Сократите дробь:
\({\largeа)}\ \frac{\vphantom{^0}a(x-2y)}{b(2y-x)};\)
\({\largeб)}\ \frac{\vphantom{^0}5x(x-y)}{x^3(y-x)};\)
\({\largeв)}\ \frac{\vphantom{^0}3a-36}{12b-ab};\)
\({\largeг)}\ \frac{7b-14b^2}{42b^2-21b};\)
\({\largeд)}\ \frac{25-a^2}{3a-15};\)
\({\largeе)}\ \frac{\vphantom{^0}3-3x}{x^2-2x+1};\)
\({\largeж)}\ \frac{8b^2-8a^2}{a^2-2ab+b^2};\)
\({\largeз)}\ \frac{(b-2)^3}{(2-b)^2}.\)