Question

paranteza 2 asupra 3 paranteza la puterea -3

Answer 1

Salut,

$\left(\dfrac{2}3\right)^{-3}=\dfrac{1}{\left(\dfrac{2}3\right)^{+3}}=\left(\dfrac{3}2\right)^{+3}=\dfrac{3^3}{2^3}=\dfrac{27}8.$

Ai înțeles ?

Green eyes.