Odpowiedź:
[tex]b)\ \ 0,75-\frac{4}{7}=\frac{75}{100}-\frac{4}{7}=\frac{3}{4}-\frac{4}{7}=\frac{21}{28}-\frac{16}{28}=\frac{5}{28}\\\\c)\ \ 4\frac{1}{3}:0,26=\frac{13}{3}:\frac{26}{100}=\frac{13}{3}:\frac{13}{50}=\frac{\not13}{3}\cdot\frac{50}{\not13}=\frac{50}{3}=16\frac{2}{3}\\\\d)\ \ 3,6\cdot1\frac{7}{9}=\frac{36}{10}\cdot\frac{16}{9}=\frac{\not18^2}{5}\cdot\frac{16}{\not9_{1}}=\frac{32}{5}=6\frac{2}{5}[/tex]
Odpowiedź:
0,75 - 4/7 = 75/100 - 4/7 = 3/4 - 4/7 = 21/28 - 16/28 = 5/28
4 i 1/3 : 0,26 = 13/3 : 26/100 = 13/3 : 13/50 = 13/3 * 50/13 = 50/3 = 16 i 2/3
3,6 * 1 i 7/9 = 3 i 6/10 * 1 i 7/9 = 36/10 * 16/9 = 32/5 = 6 i 2/5
