Hej!
Oto Twoja odpowiedź:
różnica - odejmowanie
zadanie 12
a)
[tex] \frac{7}{10} - \frac{1}{2} = \frac{7}{10} - \frac{5}{10} = \frac{2}{10} = \frac{1}{5} [/tex]
b)
[tex] \frac{3}{4} - \frac{3}{8} = \frac{6}{8} - \frac{3}{8} = \frac{3}{8} [/tex]
c)
[tex] \frac{2}{3} - \frac{7}{27} = \frac{18}{27} - \frac{7}{27} = \frac{11}{27} [/tex]
d)
[tex] \frac{37}{44} - \frac{1}{2} = \frac{37}{44} - \frac{22}{44} = \frac{15}{44} [/tex]
zadanie 13
a)
[tex] \frac{1}{2} - \frac{1}{3} = \frac{3}{6} - \frac{2}{6} = \frac{1}{6} [/tex]
b)
[tex] \frac{3}{4} - \frac{1}{7} = \frac{21}{28} - \frac{4}{28} = \frac{17}{28} [/tex]
c)
[tex] \frac{3}{5} - \frac{4}{9} = \frac{27}{45} - \frac{20}{45} = \frac{7}{45} [/tex]
d)
[tex] \frac{7}{11} - \frac{5}{8} = \frac{56}{88} - \frac{55}{88} = \frac{1}{88} [/tex]
zadanie 14
a)
[tex] \frac{1}{4} - \frac{1}{6} = \frac{6}{24} - \frac{4}{24} = \frac{2}{24} = \frac{1}{12} [/tex]
b)
[tex] \frac{3}{10} - \frac{1}{15} = \frac{9}{30} - \frac{2}{30} = \frac{7}{30} [/tex]
c)
[tex] \frac{13}{27} - \frac{7}{18} = \frac{26}{54} - \frac{21}{54} = \frac{5}{54} [/tex]
d)
[tex] \frac{7}{8} - \frac{7}{20} = \frac{35}{40} - \frac{14}{40} = \frac{21}{40} [/tex]
zadanie 15
a)
[tex] \frac{4}{5} - \frac{3}{10} = \frac{8}{10} - \frac{3}{10} = \frac{5}{10} = \frac{1}{2} [/tex]
b)
[tex] \frac{3}{7} - \frac{1}{8} = \frac{24}{56} - \frac{7}{56} = \frac{17}{56} [/tex]
c)
[tex] \frac{3}{20} - \frac{1}{15} = \frac{9}{60} - \frac{4}{60} = \frac{5}{60} = \frac{1}{12} [/tex]
d)
[tex] \frac{7}{35} - \frac{2}{14} = \frac{1}{5} - \frac{1}{7} = \frac{7}{35} - \frac{5}{35} = \frac{2}{35} [/tex]
Liczę na naj ;)
Pozdrawiam™
