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Вычисли:

а) \(-\cfrac{3}{8}\cdot 2=-\left(\cfrac{3\cdot 2}{8}\right)=-\cfrac{3}{4}\) ;

б) \(-\cfrac{3}{4}:(-3)=+\left(\cfrac{3}{4\cdot 3}\right)=\cfrac{1}{4}\) ;

в) \(\cfrac{3}{5}\cdot (-2)=\) [ ] \(=\) [ ];

г) \(-\cfrac{15}{16}:3=\) [ ] \(=\) [ ];

д) \(-\cfrac{5}{36}\cdot (-3)=\) [ ] \(=\) [ ];

е) \(\cfrac{25}{24}:(-5)=\) [ ] \(=\) [ ].