3) 2 1/3 + 3 1/6 =

\[2\frac{1}{3}+3\frac{1}{6}=5+\left(\frac{2}{6}+\frac{1}{6}\right)=5\frac{3}{6}=5\frac{1}{2}.\]

Ответ: \(5\frac{1}{2}\).