[tex] (\frac{2}{3} - 1)\times ( \frac{ \\2}{5 } - 1)[/tex]
[tex](2 + \frac{1}{3} ).(2 - \frac{1}{3} )[/tex]
[tex] \frac{2}{5} - \frac{15}{25} \times 0.4[/tex]
[tex] - \frac{2}{3} \times \frac{5}{2} + \frac{3}{4} \times ( - \frac{8}{5} )[/tex]
[tex]( \frac{4}{7 } - \frac{6}{5}). \frac{7}{11} [/tex]
3.sorudaki nokta virgül olacak