trzywyrazowy-ciag-displaystyle-left15-3x-frac53-right-jest-geometryczny-i

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

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

$x=1$x=1

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