Question

✒✒✒Cat face urmatoarea operatie?
-1/2 - (+2/3)=?

Answer 1

$\frac{-1}{2} - \frac{2}{3} = \frac{-7}{6}$

Am adus la numitor comun (6).

Answer 2

-1/2-(+2/3)= -1/2-0,(6)=-0,5-0,(6)=-1,1(6) Succes!