Question

calcular o valor da expressão

Answer 1

Fica assim:

$0,5= \frac{1}{2} \\ \\ \frac{1}{2} + \frac{1}{4} * \frac{1}{3} = \frac{2+1}{4} * \frac{1}{3}= \frac{3}{4} * \frac{1}{3}= \frac{3}{12}= \frac{1}{4}$