Задание

Найдите пропущенные числа:

\(\displaystyle \frac{5}{7}-\frac{1}{2}=\)
[ ]\(\displaystyle \cdot \,5\)
 
\(\displaystyle 2\cdot 7\)
\(\displaystyle -\)
\(\displaystyle 1\, \cdot\)[ ]
 
\(\displaystyle 2\cdot 7\)
\(\displaystyle =\) [ ]
 
[ ]