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