wartosc-wyrazenia-left13-cdot-2-1right-2-jest-rowna

$\displaystyle \frac{25}{4}$\displaystyle \frac{25}{4}

$\displaystyle \frac{4}{25}$\displaystyle \frac{4}{25}

$\displaystyle \frac{36}{49}$\displaystyle \frac{36}{49}

$\displaystyle \frac{40}{9}$\displaystyle \frac{40}{9}