Question

Me ayudan porfa es para joy​

Answer 1

Respuesta:

$\frac{3}{4} -\frac{5}{4} +\frac{8}{4} +\frac{3}{4} -\frac{6}{4} =\frac{3}{4}$

$\frac{-2}{3} -\frac{5}{4} +\frac{3}{2} = \frac{-8-15+18}{12} =\frac{-5}{12}$

$\frac{2}{5} +\frac{8}{3} -\frac{1}{4} =\frac{24+160-15}{60}= \frac{169}{60}$