Oblicz : A)[latex]frac{4}{7} .2-frac{4}{21} : 2= [/latex] B)[latex]frac{9}{11} .frac{3}{5}+frac{8}{9} : frac{2}{3}= [/latex]  

a)8/7 - 2/21=24/21-2/21=22/21=1[latex]frac{1}{21}[/latex] b 27/55+8/9 x 3/2=27/55 + 4/3=81/165+ 220/165=301/165= 1 [latex]frac{136}{301}[/latex]

a) 4/7 * 2 - 4/21: 2 = 8/7 - 21/4 * 2 = 8/7 - 2/21 = 24/21 - 2/21 = 22/21= 1 i 1/21 b) 9/11 * 3/5 + 8/9 : 2/3 = 27/55 + 8/9 * 3/2 = 27/55 + 4/3 =  81/165 + 220/165 = 301/165= 1 i 136/165

Oblicz: a) [latex]frac{1}{5}^{-1} + frac{1}{5}^{-2} = ?[/latex] b) [latex]( frac{1}{3} - frac{1}{2})^{-1} = ?[/latex] c) [latex]( frac{1}{3} - frac{1}{5} )^{-3} : ( frac{1}{5} + frac{1}{3})^{-3}[/latex]

Oblicz: a) [latex]frac{1}{5}^{-1} + frac{1}{5}^{-2} = ?[/latex] b) [latex]( frac{1}{3} - frac{1}{2})^{-1} = ?[/latex] c) [latex]( frac{1}{3} - frac{1}{5} )^{-3} : ( frac{1}{5} + frac{1}{3})^{-3}[/latex]...

Oblicz :  a) [latex]3 frac{3}{8} + 2 frac{5}{6} = [/latex] b)[latex]frac{7}{6} + ( - frac{5}{4} - frac{4}{3}) = [/latex] c) [latex]- 1 frac{9}{16} + frac{11}{12} = [/latex] d) [latex]1 frac{2}{5} - 3 frac{7}{8} - 0,125 = [/latex]  

Oblicz :  a) [latex]3 frac{3}{8} + 2 frac{5}{6} = [/latex] b)[latex]frac{7}{6} + ( - frac{5}{4} - frac{4}{3}) = [/latex] c) [latex]- 1 frac{9}{16} + frac{11}{12} = [/latex] d) [latex]1 frac{2}{5} - 3 frac{7}{8} - 0,125 = [/latex]  ...

Oblicz: Matematyka 2 zad 31 strona 31 a) ([latex]( frac{1}{5}) - ^{1} + ( frac{1}{5})- ^{2} [/latex] b)[latex]( frac{1}{3} - frac{1}{2} )- ^{1} [/latex] c)[latex]( frac{1}{3} - frac{1}{5} )- ^{3} :( frac{1}{5} + frac{1}{3} )- ^{3} [/latex]

Oblicz: Matematyka 2 zad 31 strona 31 a) ([latex]( frac{1}{5}) - ^{1} + ( frac{1}{5})- ^{2} [/latex] b)[latex]( frac{1}{3} - frac{1}{2} )- ^{1} [/latex] c)[latex]( frac{1}{3} - frac{1}{5} )- ^{3} :( frac{1}{5} + frac{1}{3} )- ^{3} [/latex]...

oblicz. - (- 2[latex]frac{2}{3}[/latex] ) +[latex]frac{7}{15}[/latex]  = 1 [latex]frac{5}{8}[/latex]- (2 [latex]frac{2}{3}[/latex] + 0,25) = 

oblicz. - (- 2[latex]frac{2}{3}[/latex] ) +[latex]frac{7}{15}[/latex]  = 1 [latex]frac{5}{8}[/latex]- (2 [latex]frac{2}{3}[/latex] + 0,25) = ...

Oblicz działania. W wyniku podaj w ułamkek nieskracalny. a) ( 1 [latex] frac{3}{5} [/latex] ÷ [latex] frac{3}{5} [/latex] ) ÷ 1 [latex] frac{1}{3} [/latex] b) [latex] frac{3}{4} [/latex] · ( [latex] frac{2}{5} [/latex] ÷ 1 [latex] frac{3}{5} [/latex]

Oblicz działania. W wyniku podaj w ułamkek nieskracalny. a) ( 1 [latex] frac{3}{5} [/latex] ÷ [latex] frac{3}{5} [/latex] ) ÷ 1 [latex] frac{1}{3} [/latex] b) [latex] frac{3}{4} [/latex] · ( [latex] frac{2}{5} [/latex] ÷ 1 [latex] frac{3}{...