oblicz: 2/[latex] frac{2}{5} -(2 frac{1}{4} )x( -frac{4}{5} ) +1 frac{2}{5} : (- frac{3}{5} )=[/latex]

[latex]frac{2}{5}-2frac{1}{4}*(-frac{4}{5})+1frac{2}{5}:(-frac{3}{5})=\ \ =frac{2}{5}-frac{9}{4}*(-frac{4}{5})+frac{7}{5}*(-frac{5}{3})=\ \ =frac{2}{5}+frac{9}{5}-frac{7}{3}=\ \ =frac{11}{5}-frac{7}{3}=\ \ =frac{33}{15}-frac{35}{5}=\ \ =-frac{2}{15}[/latex]

2/5 - 2 1/4 * (-4/5) + 1 2/5 : (-3/5) = 2/5 - 9/4 * (-4/5) + 7/5 * (-5/3) = = 2/5 + 9/5 - 7/3 = 11/5 - 7/3 = 33/15 - 35/15 = - 2/15

zad 1 oblicz a)[latex]frac{1}{4}-frac{1}{3}-frac{1}{6} \ frac{1}{8} -frac{1}{5}-frac{1}{10} =[/latex]     b) [latex]frac{9}{5}:frac{3}{7}-3frac{3}{4} * frac{2}{5} \ 5 frac{1}{4} * frac{3}{7} =[/latex]   błagam o pomoc :)            

zad 1 oblicz a)[latex]frac{1}{4}-frac{1}{3}-frac{1}{6} \ frac{1}{8} -frac{1}{5}-frac{1}{10} =[/latex]     b) [latex]frac{9}{5}:frac{3}{7}-3frac{3}{4} * frac{2}{5} \ 5 frac{1}{4} * frac{3}{7} =[/latex]   błagam o pomoc :)            ...

Oblicz:  a)  [latex](frac {54}{35})^3 * (frac{81}{49})^-2 * (frac{5}{6})^3 [/latex] b) [latex]frac{2^-2}{3^-3} * (frac{4}{9})^2 [/latex]

Oblicz:  a)  [latex](frac {54}{35})^3 * (frac{81}{49})^-2 * (frac{5}{6})^3 [/latex] b) [latex]frac{2^-2}{3^-3} * (frac{4}{9})^2 [/latex]...

Oblicz [latex] frac{y-5}{2} - frac{2y+3}{5} + frac{1}{3} = frac{y+7}{15} + frac{y}{2} [/latex] Z góry dzięki ;)

Oblicz [latex] frac{y-5}{2} - frac{2y+3}{5} + frac{1}{3} = frac{y+7}{15} + frac{y}{2} [/latex] Z góry dzięki ;)...

Oblicz równanie :   [latex]frac {x+6}{2} - frac {5+x}{3} = frac {2-x}{6} frac {x+4}{4} - frac {2x-1}{2} = frac {x+2}{4} frac {x+3}{3} - frac {2+x}{4} = frac {3-2x}{12}[/latex]

Oblicz równanie :   [latex]frac {x+6}{2} - frac {5+x}{3} = frac {2-x}{6} frac {x+4}{4} - frac {2x-1}{2} = frac {x+2}{4} frac {x+3}{3} - frac {2+x}{4} = frac {3-2x}{12}[/latex]...

oblicz [latex][2 frac{3}{5}:3+(2 frac{1}{2}+3 frac{2}{7}-1 frac{2}{5}):12]+( frac{1}{2}+ frac{3}{11})= [/latex]

oblicz [latex][2 frac{3}{5}:3+(2 frac{1}{2}+3 frac{2}{7}-1 frac{2}{5}):12]+( frac{1}{2}+ frac{3}{11})= [/latex]...