Odpowiedź:
[tex]4\dfrac{1}{5}:1,4+2\dfrac{2}{3}*3,75=\dfrac{21}{5}:\dfrac{14}{10}+\dfrac{8}{3}*\dfrac{375}{100}=\dfrac{21}{5}:\dfrac{7}{5}+\dfrac{\not8^2}{\not3_{1}}*\dfrac{\not15^5}{\not4_{1}}=\\\\\\=\dfrac{\not21^3}{\not5_{1}}*\dfrac{\not5^1}{\not7_{1}}+10=3+10=13[/tex]
