odleglosc-poczatku-ukladu-wspolrzednych-od-prostej-o-rownaniu-y2x4-jest

$\displaystyle \frac{\sqrt{5}}5{}$\displaystyle \frac{\sqrt{5}}5{}

$\displaystyle \frac{4\sqrt{5}}5{}$\displaystyle \frac{4\sqrt{5}}5{}

$\displaystyle \frac{4}{5}$\displaystyle \frac{4}{5}

$4$4