\[\frac{2}{8}=\int \frac{\partial^2 }{\partial x^2}\]
\[\frac{3,15}{1,75}=\frac{3,15\times 10}{1,75\times 10}=\frac{31,5}{17,5}\]
\[\LARGE \frac{2}{8}=\int \frac{\partial^2 }{\partial x^2}\]
\[\large \frac{2}{8}=\int \frac{\partial^2 }{\partial x^2}+a\]
....................................................................................................................
\[\frac{8}{3}\times
\frac{5}{4}=\frac{8\times 5}{3\times 4}\]
\[\frac{3,15}{1,75}=\frac{3,15\times
10}{1,75\times 10}=\frac{31,5}{17,5}\]
\[\frac{5}{3}+\frac{11}{3}=\frac{5+11}{3}=\frac{16}{3}\]
\[\frac{3}{2}+\frac{1}{8}=\frac{3\times
4}{2\times 4}+\frac{1}{8}=\frac{12}{8}+\frac{1}{8}=\frac{13}{8}\]
\[\frac{3}{5}>\frac{2}{5}\]
\[3>2\]
\[\frac{4}{5}>\frac{4}{7}\]
\[5<7\]
\[\frac{3}{5}\]
\[\frac{3}{5}\times
4000=2400\]
\[4000-2400=1600\]
\[\frac{1600\div
100}{4000\div 100}=\frac{16\div 4}{40\div 4}=\frac{4\div 2}{10\div
2}=\frac{2}{5}\]
\[\frac{2}{5}\]