Respuesta :

1) ( \frac{5 + 6}{2} \frac{8 + 10}{2} = ( \frac{11}{2} \frac{18}{2} = (5.5,9)

2) (\frac{6+10}{2} \frac{4+2}{2})= (\frac{16}{2} \frac{6}{2}=(8,3)

3) (\frac{3+5}{2} \frac{8+4}{2})=(\frac{8}{2} \frac{12}{2}=(4,6)