Ответ:

  1. \(\frac{3^{13}7^{13}}{7^{15}3^{12}}=\frac3{7^2}=\frac3{49}\).
  2. \(\frac{5^{32}7^{30}}{5^{31}7^{31}}=\frac57\).
  3. \(\frac{2^{14}7^{14}}{7^{11}2^{15}}=\frac{7^3}{2}=\frac{343}{2}\).
  4. \(\frac{3^{14}11^{14}}{11^{15}3^{11}}=\frac{3^3}{11}=\frac{27}{11}\).
  5. \(\frac{5^{14}3^{16}}{3^{15}5^{15}}=\frac35\).
  6. \(\frac{5^{41}13^{41}}{13^{42}5^{40}}=\frac5{13}\).
  7. \(\frac{3^{16}5^{16}}{3^{18}5^6}=\frac{5^{10}}9\).
  8. \(\frac{7^{22}2^{20}}{2^{24}7^{24}}=\frac1{2^4\cdot7^2}=\frac1{784}\).

Ответ: А) \(\frac3{49}\); Б) \(\frac57\); В) \(\frac{343}{2}\); Г) \(\frac{27}{11}\); Д) \(\frac35\); Е) \(\frac5{13}\); Ё) \(\frac{5^{10}}9\); Ж) \(\frac1{784}\).