Cześć ;-)
Obliczenia
[tex]1\frac{1}{4}\cdot6\frac{2}{5}=\frac{\not5^1}{\not4_1}\cdot\frac{\not32^8}{\not5_1}=8\\\\8\frac{4}{5}\cdot\frac{5}{11}=\frac{\not44^4}{\not5_1}\cdot\frac{\not5^1}{\not11_1}=4\\\\1\frac{2}{3}:2\frac{1}{2}=\frac{5}{3}:\frac{5}{2}=\frac{\not5^1}{3}\cdot\frac{2}{\not5_1}=\frac{2}{3}\\\\2\frac{7}{9}:\frac{5}{12}=\frac{\not25^5}{9}\cdot\frac{12}{\not5_1}=\frac{60}{9}=6\frac{6}{9}=6\frac{2}{3}[/tex]
Pozdrawiam! ~ JulkaOdMatmy
