Question

Buna cum se rezolva?

Answer 1

$[ \frac{2x+1}{3} ] =2$

la prima inecuatie e (2x+1)/3 ≥ 2 in loc de >, am gresit eu, si vei avea solutia:

x∈[5/2;4)

Conditiile fiind ca daca [x] = k;
$\left \{ {{x \geq k} \atop {x\ \textless \ k+1}} \right.$