Oblicz. A.) 0,26 : (6,35- 4[latex] frac{2}{5} [/latex] )= B.) (3[latex] frac{4}{7} [/latex] + [latex] frac{11}{14} [/latex] ) · 3,2 = ROZPISZCIE KAŻDE DZIAŁANIE

[latex]a.)\\ 0,26 : (6,35- 4 frac{2}{5} )=frac{26}{100}:(6frac{35}{100}-4frac{2}{5})=frac{26}{100}:(6frac{7}{20}-4frac{2}{5})=\\=frac{13}{50}:(6frac{7}{20}-4frac{8}{20})=frac{13}{50}: 1frac{19}{20} =frac{13}{50}: frac{39}{20} =frac{13}{50}*frac{20} {39}=frac{26 }{195}=frac{2}{15}[/latex] [latex]b.) \\(3 frac{4}{7} + frac{11}{14} ) * 3,2 =(3 frac{8}{14} + frac{11}{14} ) * 3,2 =3frac{19}{14}*frac{32}{10}= frac{61}{14}*frac{16}{5}= frac{488}{35}=13frac{33}{35}[/latex]