Ответ:
- а) \(\frac{32}{81}\cdot\frac{135}{176}=\frac{2^5}{3^4}\cdot\frac{3^3\cdot5}{2^4\cdot11}=\frac{10}{33}\).
- б) \(\frac{182}{165}\cdot\frac{495}{2548}=\frac{2\cdot7\cdot13}{3\cdot5\cdot11}\cdot\frac{3^2\cdot5\cdot11}{2^2\cdot7^2\cdot13}=\frac{3}{14}\).
- в) \(\frac{153}{1960}:\frac{867}{17150}=\frac{3^2\cdot17}{2^3\cdot5\cdot7^2}:\frac{3\cdot17^2}{2\cdot5^2\cdot7^2}=\frac{153}{1960}\cdot\frac{17150}{867}=\frac{105}{68}\).
- г) \(\frac{437}{1080}:\frac{361}{1008}=\frac{19\cdot23}{2^3\cdot3^3\cdot5}\cdot\frac{2^4\cdot3^2\cdot7}{19^2}=\frac{322}{285}\).
Ответ: а) \(\frac{10}{33}\); б) \(\frac{3}{14}\); в) \(\frac{105}{68}\); г) \(\frac{322}{285}\).
