Задание

Найдите пропущенные числа:

\(\displaystyle \frac{3}{4}-\frac{5}{9}=\)
\(\displaystyle 3\cdot 9\)
 
\(\displaystyle 4\cdot\)[ ]
\(\displaystyle -\)
\(\displaystyle 4\cdot 5\)
 
[ ]\(\displaystyle \cdot 9\)
\(\displaystyle =\) [ ]
 
[ ]