Ответ:

  1. а) \(\frac{350}{1176}=\frac{2\cdot5^2\cdot7}{2^3\cdot3\cdot7^2}=\frac{25}{84}\).
  2. б) \(\frac{350}{756}=\frac{2\cdot5^2\cdot7}{2^2\cdot3^3\cdot7}=\frac{25}{54}\).
  3. в) \(\frac{350}{1925}=\frac{2\cdot5^2\cdot7}{5^2\cdot7\cdot11}=\frac{2}{11}\).
  4. г) \(\frac{1176}{1925}=\frac{2^3\cdot3\cdot7^2}{5^2\cdot7\cdot11}=\frac{168}{275}\).

Ответ: а) \(\frac{25}{84}\); б) \(\frac{25}{54}\); в) \(\frac{2}{11}\); г) \(\frac{168}{275}\).