punkt-pleft3-3right-jest-obrazem-punktu-pleft13right-w-jednokladnosci-o-srodku

$\displaystyle \frac{3}{5}$\displaystyle \frac{3}{5}

$\displaystyle \frac{5}{3}$\displaystyle \frac{5}{3}

$2$2

$3$3