Question

paranteza 1 intreg 1 asupra 5 paranteza la puterea minus 2

Answer 1

Răspuns:

Explicație pas cu pas:

Answer 2

Salut,

$1\dfrac{1}5=\dfrac{1\cdot 5+1}5=\dfrac{6}5.$

$\left(\dfrac{6}5\right)^{-2}=\dfrac{1}{\left(\dfrac{6}5\right)^{+2}}=\left(\dfrac{5}6\right)^{+2}=\dfrac{5^2}{6^2}=\dfrac{25}{36}.$

Green eyes.