Kto pomoże ?  [latex] frac{6}{7} [/latex] · [latex] frac{49}{54} [/latex]= [latex] frac{7}{27} : frac{7}{9} =[/latex] [latex] 1frac{1}{5} + 2 frac{1}{7} =[/latex] [latex]2 frac{1}{6} - frac{1}{3} =[/latex] Dam NAJ

= [latex] frac{7}{9} [/latex] [latex]= frac{7}{27} * frac{9}{7} = frac{9}{27} = frac{1}{3} [/latex] [latex]=1 frac{7}{35} +2 frac{5}{35} = 3 frac{12}{35} [/latex] [latex]= 2 frac{1}{6} - frac{2}{6} = 1 frac{7}{6} - frac{2}{6} =1 frac{5}{6} [/latex]