Задание
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Приведи дроби к наименьшему общему знаменателю.
- \(\dfrac{5}{7}\) и \(\dfrac{1}{2} =\) [ ]
и
[ ]. - \(\dfrac{7}{20}\) и \(\dfrac{1}{15} =\) [ ]
и
[ ]. - \(\dfrac{3}{26}\) и \(\dfrac{5}{39} =\) [ ]
и
[ ]. - \(\dfrac{8}{11}\) и \(\dfrac{5}{8} =\) [ ]
и
[ ]. - \(\dfrac{7}{13}\) и \(\dfrac{2}{11} =\) [ ]
и
[ ].