On simplification, the expression 1 ÷ 1 \( \left\{ {\frac{1}{2} + \frac{5}{2} of \frac{1}{5} - \left( {\frac{1}{4}\; \div \frac{1}{2} + \frac{1}{2}} \right) + \frac{1}{2} \times 3} \right\} \) will give the result as:
1
0
2
\(-\frac{1}{2}\)
3
\(\frac{1}{2}\)
4
\(\frac{2}{3}\)