Question

-1/4 (-2/6 - 3/4) +2/5 - 2/7

paso a paso por favor​

Answer 1

ΗΘΙΑ

procedimiento :

$\frac{-1}{4} (\frac{-2}{6} -\frac{3}{4} )+\frac{2}{5} -\frac{2}{7}$

$\frac{-1}{4} (\frac{-13}{12} )+\frac{2}{5} -\frac{2}{7}$

$\frac{13}{48}+ \frac{2}{5} -\frac{2}{7}$

$\frac{161}{240} -\frac{2}{7}$

$\frac{647}{1680}$

salu2!!