Odpowiedź:
10%liczby 11,(1)=1,1(1)
30% z 12 2/3
[tex] \frac{30}{100} \times 12 \frac{2}{3} = \frac{3}{10} \times \frac{38}{3} = \frac{19}{5} = 3 \frac{4}{5} [/tex]
14%z 3 1/7
[tex] \frac{14}{100} \times 3 \frac{1}{7} = \frac{14}{100} \times \frac{22}{7} = \frac{44}{100} = \frac{11}{25} [/tex]
27% z 4 2/9
[tex] \frac{27}{100} \times 4 \frac{2}{9} = \frac{27}{100} \times \frac{38}{9} = \frac{57}{50} = 1 \frac{7}{50} [/tex]
5% z 5 2/5
[tex] \times \frac{5}{100} \times 5 \frac{2}{5} = \frac{5}{100} \times \frac{27}{5} = \frac{27}{100} = 3 \frac{19}{100} [/tex]
75% z 101 1/5
[tex] \frac{75}{100} \times 101 \frac{1}{5} = \frac{3}{4} \times \frac{506}{5} = \frac{759}{10} = 75 \frac{9}{10} [/tex]
4% z 7 1/2
[tex] \frac{4}{100} \times 7 \frac{1}{2} = \frac{4}{100} \times \frac{15}{2} = \frac{6}{20} [/tex]
44% z 4,(09)
[tex]x = 4.(09) \\ 100x = 409.(09) \\ 99x = 405 \\ x = \frac{405}{99} = 4 \frac{9}{99} = 4 \frac{1}{11} \\ \\ \frac{44}{100} \times 4 \frac{1}{11} = \frac{11}{25} \times \frac{45}{11} = \frac{45}{25} = 1 \frac{20}{25} = 1 \frac{4}{5} [/tex]
26% z 5 5/13
[tex] \frac{26}{100} \times 5 \frac{5}{13} = \frac{26}{100} \times \frac{70}{13} = \frac{14}{10} = 1 \frac{2}{5} [/tex]
90% z 5 1/6
[tex] \frac{9}{10} \times 5 \frac{1}{6} = \frac{9}{10} \times \frac{31}{6} = \frac{93}{20} = 4 \frac{13}{20} [/tex]
