Question

cum rezolv fractia 3/5plus7/5minus9/10?

Answer 1

Amplifici fractiile ca sa le aduci la acelasi numitor si aduni/ scazi numaratorii  , dar numitorul ramane acelasi

Answer 2

$\frac{3}{5}$+$\frac{7}{5}$-$\frac{9}{10}$=
$\frac{3+7-9}{10}$=
$\frac{1}{10}$

P.S. - asa cred daca nu alege alte raspunsuri