Ответ: [tex]\frac{m}{13} \ \textless \ \frac{9}{52} \\ \\ \frac{m}{13} -\frac{9}{52} \ \textless \ 0 \\ \\ \frac{4m}{52} -\frac{9}{52} \ \textless \ 0 \\ \\ \frac{4m-9}{52} \ \textless \ 0[/tex][tex]4m-9\ \textless \ 0 \\
4m-9=0 \\
4m=9 \\
m= \frac{9}{4} =2.25[/tex]m∈(-∞;2.25)m = {1;2}1+2=3Ответ 3