ciag-an-jest-okreslony-wzorem-displaystyle-an-frac3n27n-511-5n5n2-dla-kazdej

$3$3

$\displaystyle \frac{1}{5}$\displaystyle \frac{1}{5}

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

$\displaystyle - \frac{5}{11}$\displaystyle - \frac{5}{11}