[tex]3 \times 3 + 5 \div 2 = 9 + 2,5 = 11,5[/tex]
sau cu fracții
[tex]3 \times 3 + \frac{5}{2} = {}^{2)} 9 + \frac{5}{2} = \\ = \frac{18}{2} + \frac{5}{2} = \frac{23}{2}=11,5 [/tex]