Odpowiedź:
zad3
a)[tex]\frac{2}{3} +\frac{1}{4} =\frac{8}{12} +\frac{3}{12} =\frac{11}{12}[/tex]
b)[tex]\frac{5}{9} +\frac{3}{5} =\frac{25}{45}+\frac{27}{45} =\frac{52}{45} =1\frac{7}{45}[/tex]
c)[tex]\frac{2}{3} +\frac{4}{5} =\frac{10}{15} +\frac{12}{25} =\frac{22}{25}[/tex]
d)[tex]\frac{5}{8} +\frac{3}{7} =\frac{35}{56}+\frac{24}{56} =\frac{59}{56} =1\frac{3}{56}[/tex]
e)[tex]1\frac{1}{2} +2\frac{3}{8} =1\frac{4}{8}+2\frac{3}{8} =3\frac{7}{8}[/tex]
f)[tex]\frac{2}{9} +1\frac{7}{27} =\frac{6}{27} +1\frac{7}{27} =1\frac{13}{27}[/tex]
g)[tex]1\frac{5}{6} +3\frac{1}{9} =1\frac{15}{18} +3\frac{2}{18} =4\frac{17}{18}[/tex]
h)[tex]2\frac{1}{10} +1\frac{7}{15} =2\frac{3}{30} +1\frac{14}{30} =3\frac{17}{30}[/tex]
Szczegółowe wyjaśnienie:
