[tex]\it b)\ \ -2,75=-\dfrac{\ 275^{(5}}{100}=-\dfrac{55}{20}\\ \\ \\ -2\dfrac{4}{5}=-\dfrac{^{4)}14}{5}=-\dfrac{56}{20}\\ \\ \\ -\dfrac{56}{20}<-\dfrac{55}{20} \Rightarrow -2\dfrac{5}{4}<-2,75[/tex]
[tex]\it e)\ \ -2,(7) =-\dfrac{27-2}{90} =-\dfrac{25}{90}\\ \\ \\ -\dfrac{^{6)}4}{15} =-\dfrac{24}{90} \\ \\ \\ -\dfrac{25}{90}<-\dfrac{24}{90} \Rightarrow -0,2(7)<-\dfrac{4}{15} \Rightarrow-\dfrac{4}{15}>-0,2(7)[/tex]
