Răspuns :
Salut,
[tex]1\dfrac{1}5=\dfrac{1\cdot 5+1}5=\dfrac{6}5.[/tex]
[tex]\left(\dfrac{6}5\right)^{-2}=\dfrac{1}{\left(\dfrac{6}5\right)^{+2}}=\left(\dfrac{5}6\right)^{+2}=\dfrac{5^2}{6^2}=\dfrac{25}{36}.[/tex]
Green eyes.
Salut,
[tex]1\dfrac{1}5=\dfrac{1\cdot 5+1}5=\dfrac{6}5.[/tex]
[tex]\left(\dfrac{6}5\right)^{-2}=\dfrac{1}{\left(\dfrac{6}5\right)^{+2}}=\left(\dfrac{5}6\right)^{+2}=\dfrac{5^2}{6^2}=\dfrac{25}{36}.[/tex]
Green eyes.