Which of the following operations results in a non-terminating decimal?
12÷0.25\frac{1}{2} \div 0.2521÷0.25
13×0.5\frac{1}{3} \times 0.531×0.5
0.2÷0.30.2 \div 0.30.2÷0.3
18+0.25\frac{1}{8} + 0.2581+0.25