Вычисли

а) \(\cfrac{6}{7}:\cfrac{36}{35}=\cfrac{\overset{\tiny 1}{ {6}\mathllap{/\,} } \cdot \overset{\tiny 5}{ {35}\mathllap{/\,} }}{\underset{\tiny 1}{ {7}\mathllap{/\,} } \cdot \underset{\tiny 6}{ {36}\mathllap{/\,} }}=\) [ ] \(=\) [ ];

б) \(\cfrac{8}{9}:\cfrac{16}{15}=\) [ ] \(=\) [ ] \(=\) [ ];

в) \(\cfrac{9}{5}:\cfrac{12}{25}=\) [ ] \(=\) [ ] \(=\) [ ];

г) \(\cfrac{13}{14}:\cfrac{26}{49}=\) [ ] \(=\) [ ] \(=\) [ ];

д) \(\cfrac{16}{17}:\cfrac{80}{51}=\) [ ] \(=\) [ ] \(=\) [ ];

е) \(\cfrac{9}{8}:\cfrac{63}{40}=\) [ ] \(=\) [ ] \(=\) [ ].