Question

Efectuați:

Doar ce este încercuit.

Please!!!

Este urgent!!!

Answer 1

c)

$2\frac{2}{3}+(-\frac{4}{3})=$

$=\frac{2*3+2}{3}-\frac{4}{3}=$

$=\frac{8}{3}-\frac{4}{3}=$

$=\frac{4}{3}=$

$\boxed{=1,(3)}$

d)
$2\frac{5}{6}+(-3\frac{1}{6})=$

$=\frac{2*6+5}{6}-\frac{3*6+1}{6}=$

$=\frac{17}{6}-\frac{19}{6}=$

$=-\frac{2}{6}=$

$=-\frac{1}{3}=$

$\boxed{=-0,(3)}$