Выбери верные ответы

Выполни умножение дробей \(\boldsymbol{\dfrac{x^2-10x+25}{x-5} \cdot \dfrac{x^3}{x-5}.}\)

• \(\textcolor{white}{\boxed{\textcolor{black}{\frac{x^3}{x-5}}}}\)
• \(\textcolor{white}{\boxed{\textcolor{black}{\frac{x-5}{x^3}}}}\)
• \(\textcolor{white}{\boxed{\textcolor{black}{x^3}}}\)
• \(\textcolor{white}{\boxed{\textcolor{black}{x-5}}}\)

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Выполни умножение дробей \(\boldsymbol{\dfrac{y^2-25}{5y} \cdot \dfrac{10y^2}{y-5}.}\)

• \(\textcolor{white}{\boxed{\textcolor{black}{2y(y+5)}}}\)
• \(\textcolor{white}{\boxed{\textcolor{black}{\frac{2y}{y+5}}}}\)
• \(\textcolor{white}{\boxed{\textcolor{black}{\frac{y+5}{2y}}}}\)
• \(\textcolor{white}{\boxed{\textcolor{black}{\frac{2}{y(y+5)}}}}\)
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Выполни умножение дробей \(\boldsymbol{\dfrac{3m^2}{m^2-9} \cdot \dfrac{m+3}{7m^3}.}\)

• \(\textcolor{white}{\boxed{\textcolor{black}{\frac{21m}{m-3)}}}}\)
• \(\textcolor{white}{\boxed{\textcolor{black}{\frac{3}{7m(m-3)}}}}\)
• \(\textcolor{white}{\boxed{\textcolor{black}{\frac{7m}{3(m-3)}}}}\)
• \(\textcolor{white}{\boxed{\textcolor{black}{\frac{m-3}{21m}}}}\)
  \(\space\)

Выполни умножение дробей \(\boldsymbol{\dfrac{a^2-b^2}{x-y} \cdot \dfrac{10x-10y}{a^2+ab}.}\)

• \(\textcolor{white}{\boxed{\textcolor{black}{\frac{10a}{a-b}}}}\)
• \(\textcolor{white}{\boxed{\textcolor{black}{\frac{10(a-b)}{a}}}}\)
• \(\textcolor{white}{\boxed{\textcolor{black}{\frac{10}{x-y}}}}\)
• \(\textcolor{white}{\boxed{\textcolor{black}{\frac{x-y}{10a}}}}\)
  \(\space\)